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Delivering an unparalleled look at the cheetah's circle, EXPLORER follows a mother and her cubs' struggle to survive...
Length: 45:00mins
Education Subject areas: Biology, General Science
Year produced: 1999
Production code: 36197
The concept is simple. This is a real-life woodpecker soap, filmed in intimate and revealing detail. Each bird in the group has a distinct character, with its own agenda for survival and immortality. ...
Length: 26:00mins
Year produced: 1998
Production code: 34096
More than a decade ago, Chobe National Park stole the hearts of Dereck and Beverly Joubert. They quit their jobs in their native South Africa, sold everything they owned and made a new home in the par...
Length: 27:00mins
Education Subject areas: Life Science, Personal & Social Perspectives
Year produced: 1993
Production code: 91A68
Follow marine scientists as they discover the mating ritual of the Atlantic nurse shark in the remotest of Florida's Keys, The Dry Tortugas. Here, protected marine life exists as it did twenty-five ye...
Length: 52:00mins
Year produced: 1995
Production code: 93A54
Atmospheric pollutants--emitted mainly by motor vehicles and industry--dangerously increase the natural acidity in rain. Acid precipitation has a number of harmful effects for plants, soil, and water....
Length: 01:00mins
Education Subject areas: Earth Science, Personal & Social Perspectives
Year produced: 2010
Production code: QAI1360
This short discusses the acorn weevil. It explains how this insect lays its eggs in acorns, where they stay until they hatch. It also talks about the dangers the larvae face as they begin their journe...
Length: 02:00mins
Education Subject areas: Biology, Life Science
Year produced: 2008
Acorn woodpeckers peck holes in trees to hoard acorns and fend off ground squirrels who try to steal them....
Length: 03:00mins
First discovered in the 1940s, active galaxies release enormous quantities of energy into space. Learn about some active galaxies, including seyfert, quasar, and radio galaxies. Black holes--bodies so...
Education Subject areas: General Science, Physical Science
Africa is a large continent that stretches north and south of the Equator, between the Atlantic and Indian Oceans. It is formed of a gigantic plateau, with a variety of relief features, including hill...
Education Subject areas: Earth Science, General Science
To call this trek an ambitious hike would be something of an understatement. In National Geographic's AFRICA EXTREME Wildlife Conservation Society ecologist, Dr. Michael Fay, sets out to survey the bi...
Year produced: 2001
Production code: 20058
The search is on to find Africa's most deadly snake. Boomslangs, rinkhals and black mambas - these are three of the deadliest snakes in the world that can kill their victim whether man or beast with a...
Year produced: 2000
Production code: 34598
Short titled "Science and Exploration: The Impact of the Columbian Exchange on Europe and America". This short tells the history of the Columbian Exchange, starting with the explorat...
Length: 05:00mins
Year produced: 0000
Production code: EDU06
Young laysan albatrosses learn to fly at breeding colony in Hawaii. Those unlucky to fall into the ocean might be eaten by tiger sharks, if they cannot take off....
Nutria, semi-aquatic South American rodent imports, have invaded Louisiana wetlands. Once prized for their fur, zoologists examine how much environmental damage the nutria appetite creates. Voracious ...
Straight out of science fiction, a six-foot alligator ends up dead inside the belly of a 13-foot python. Why did these two massive predators come to mortal blows? And how did a Burmese python end up i...
Year produced: 2006
Production code: 20340
Born of Fire brings you up close and personal - both above and below the surface -with our lava- and magma -driven world. We start at the beginning, in an obscure corner of the universe, where a relat...
Education Subject areas: Earth Science, Physical Science
Year produced: 2007
Production code: 14010-01
Why do mountains have a triangular shape? How much rain must fall to start a river? How does one grain of sand become an entire dune? Join National Geographic as we show you how our Amazing Planet is ...
Production code: 14010-03
Beautiful, bewildering, and mysterious- our oceans dominate our planet. But how did they form and why haven't they evaporated? Starting with the primordial weather burped out of the molten earth and r...
Production code: 14010-02
Follow two young photographers intent on creating portraits of the one hundred rarest and most endangered species in America - pictures that create an urgent poignancy, as we may have to say goodbye t...
Production code: 10996
National Geographic follows in the footsteps of a pioneering pack of red wolves reintroduced to the wilds of North Carolina - the Milltail Pack. Because so little is known about the red wolf in the wi...
Year produced: 2002
Production code: 30054
On the remote Isleta Indian reservation in New Mexico, cowboy historian Carlos LoPopolo has stumbled across an isolated herd of 'uncatchable' mustangs that may be direct descendents of America's Spani...
Production code: 20083
South Florida is the only place in the world where one can find both alligators and crocodiles. While alligators are common in the area, crocodiles are a rare sight. Both can be quite aggressive, but ...
A hundred years ago, there were probably more baboons in Africa than people. Now, humans far outnumber them, and relations between the two are hostile at best. In Kenya, baboons are classified as verm...
Length: 28:00mins
Production code: 92A44
Men try to capture an anaconda. The snake bites one man on the hand and the other men have to pry open its mouth to free the finger....
A story on anacondas mating in the Llanos swamp of Venezuela....
A story on female anaconda hunting and eating a capybara before mating....
All our lives we have heard of it. Prepared for it. Feared it. The Big One. An earthquake so powerful it will obliterate Los Angeles. Tear down its skyscrapers. Set its hills afire. Drown it in the se...
Production code: 20339
Pet owners for centuries have attested to their animals' intelligence. Today science is proving it to be fact. National Geographic brings viewers to the cutting edge of this eye-opening and mind-boggl...
Education Subject areas: General Science, Science as Inquiry
Year produced: 1994
Production code: 93A36
In the Kalahari Desert, a female cheetah looks for her cubs. They are growing more independent and have gone off on their own to explore. When the cheetah cubs reach about 18 months old, they will lea...
A story on mother alligators protecting their young from predators in the Everglades....
Bighorn sheep butt heads in competition for mates....
A hungry, male anolis lizard waits on a leaf. As an insect moves close, the anolis jumps, captures it, and then eats it. A female anolis nearby is shedding her skin. She, too, is hungry, and begins to...
At the bottom of the world, in the region of the Antarctica known as Queen Maud Land, is a succession of lonely windswept ranges that harbor some of the most startling mountain scenery on earth. Crown...
Education Subject areas: Earth Science
Production code: 24196
Antarctica is the most empty place on Earth. It's the last continent discovered by explorers, the last place to be charted, examined, understood, and the last place to be inhabited. Antarctica is a re...
Length: 46:00mins
Education Subject areas: General Science, Personal & Social Perspectives
Year produced: 1990
Production code: 91S01
Antarctica is the continent that extends around the planet's South Pole. Because of its geographic position, which deprives it of sunlight for several months of the year, this land mass is almost enti...
Nat Geo travels to Africa to report on natural outbreaks of anthrax among Namibia's wild animals. This tiny organism can drop a full-grown, three-ton African elephant dead in its tracks. The disease i...
Length: 18:00mins
Production code: 20164
Computer animation sequence with cutaway view of skin that shows why acne occurs....
Education Subject areas: Biology, Health
Computer animated sequence showing anatomical basis of quadriplegia....
Computer animated sequence illustrating anatomy of human spinal column....
Computer animation sequence featuring rotating model of beating human heart....
Computer animation sequence illustrating blood circulation to and from lungs....
Computer animation sequence illustrating blood flow to spine and bleed within spinal cord....
Computer animation sequence illustrating blood supply to spinal cord....
Animated computer sequence illustrating bone dislocations of finger, elbow, shoulder, hip and knee....
Computer animation sequence showing bulging disc in spinal column....
Computer animation sequence illustrating cauda equina, compression of nerve roots within spinal cord, and damage resulting from nerve compression....
Computer animation sequence illustrating effect of chemotherapy on cancerous cells....
Computer animation sequence showing circulation of blood to and from lungs....
Production code: AMD1332
Computer animation sequence illustrating heart and primary blood vessels of circulatory system....
Computer animation sequence illustrating functions of cranial nerves....
Computer animation sequence illustrating process of digestion....
Computer animation sequence demonstrating how humans are able to hear and ear's relationship with nervous system....
Computer animation sequence illustrating flow of blood to and from lungs....
Computer animation sequence illustrating surgery to remove gallbladder....
Computer animation illustrating heart bypass surgery procedure....
Computer animation sequence depicting HIV virus cells in blood stream and symptoms of HIV....
Computer animation sequence illustrating function of human adrenal glands....
Computer animation sequence illustrating anatomy of human digestive system....
Computer animation sequence illustrating human eye and its various components....
Computer animation sequence featuring anatomy of human female breast....
Computer animation sequence illustrating human lower digestive system, particularly pancreas and gallbladder....
Computer animation sequence illustrating human male reproductive system....
Computer animation sequence illustrating role of insulin in intake of glucose to cells....
Computer animation sequence illustrating lymphatic system in human body, including lymph nodes, tonsils, thymus gland, and spleen....
Computer animation sequence illustrating various types of muscle contractions....
Computer animation sequence illustrating growth of pancreatic cancer....
Computer animation sequence illustrating pediatric asthma....
Computer animation sequence illustrating development of pulmonary embolism and its symptoms....
Computer animation sequence illustrating repair of severe hip fracture....
Computer animation sequence illustrating inhalation of smoke into lungs....
Computer animation sequence showing spread of cancer cells from breast into liver and brain through lymphatic system....
Computer animation sequence demonstrating placement of stent in clogged blood vessel....
Computer animated sequence illustrating various lobes of human brain....
Computer animation sequence showing ventricular system of human brain....
Computer animation sequence demonstrating how humans are able to see and eye's relationship with nervous system....
Year produced: 1234
This short discusses the Arecibo Observatory, a radio telescope in Puerto Rico that captures radio waves from outer space. Discusses the construction and operation of the telescope and its many achiev...
Education Subject areas: Science & Technology
Something is lurking in a pond in rural Arkansas ... something that doesn't belong. First the frogs disappeared. Then the chickens, one by one, have vanished. Rumored to be a man-eating snake, a whopp...
Production code: 20108
Scorpions, centipedes, and millipedes are miniature armored tanks. They are packed with lethal poisons and encapsulated by armor. Emerging at night, these creatures use their sharp spines to inject te...
Production code: 33298
Asia is the largest continent, comprising almost a third of the planet's land mass, and is a continent of extremes. Asia has a variety of relief features, including deserts, rivers, mountains, and sea...
Assassin bugs. Assassin bug nymph hatches from egg in Belize cave. Nymph sucks blood of sleeping fruit bat in cave. Group of adult assassin bugs attacks young vampire bat in cave....
NGM photographer Joel Santore gets very close and very personal with the great bears of the North....
Production code: 20136
Welcome to Madidi National Park in Bolivia, where even the pigs can kill you. This spectacular wildlife reserve is one of the last untouched places on earth, where breathtaking landscapes and an abund...
Production code: 21198
The invention of the telescope revolutionized observation of the Universe. Today, astronomers make use of gigantic observatories and space telescopes, such as the Hubble Space Telescope. These instrum...
Length: 00:00mins
Education Subject areas: General Science, Science & Technology
In order to get as close as possible to outer space, astronomers place their observatories on mountaintops. Because of astronomical observatories, astronomers can obtain valuable images of our Univers...
Human activities are largely responsible for pollution of the Earth's atmosphere. Air pollution comes mainly from industrialized regions and automobile traffic but it affects the whole planet. Atmosph...
Atmospheric pressure is defined as the weight of air per surface unit. Watch how atmospheric pressure is measured with a mercury barometer. All around earth high pressure zones and low pressure zones ...
Short about a research project called "augmented reality". Researchers at Columbia University are developing a way to integrate a virtual world with the physical world. By wearing a ...
Tour of New England fall foliage. Comments from tour guide and tourists....
Length: 04:00mins
Education Subject areas: General Science
A baby beluga whale gets stranded on shore....
A cute baby chimpanzee plays in Tanzania....
A baby spectacled cobra goes on its first hunt. It passes near a frog, but keeps on slithering by. Upon encountering another frog, the baby cobra tastes it. Then by instinct, the cobra bites into the ...
In order to cope effectively with our environment, we must always know the position our body occupies in space. This perception is created deep within the inner ear, through the organ of balance. Sens...
Earth's atmosphere is monitored at ground level by ground weather stations and also at altitude by weather balloons and radar. Follow a weather balloon as it is released from a weather station. Meteor...
National Geographic ventures into one of North America's last unexplored areas, the pristine wilderness of British Columbia's Headwall Canyon, with Robert Kennedy Jr., actor Richard Dean Anderson, and...
Length: 20:00mins
Production code: 20103
As springtime dawns on the frozen landscape of Canada's high Arctic, Adam Ravetch sets off in search of one of the region's most massive and misunderstood animals - the walrus. Known as "The ...
Year produced: 2004
Production code: 30090
EXPLORER will travel through prime bear country with expert Stephen Herrero, who dispels the myths and preaches the facts about bear attacks. From survivors' tales to dramatic footage of bear attacks,...
Production code: 25098
In 1996-97, bear rehabilitator Ben Kilham, raised three tiny, orphaned cubs to powerful, wild adult bears. He used an unconventional approach, and National Geographic filmed the dramatic and touching ...
Production code: 20034
Kodiak brown bears play, run, fight and catch fish on Kodiak Island. Then a group of bears come across a baleen whale carcass, providing plenty of food for all of them. After the meal, a young brown b...
A story on bee sting therapy in Taiwan. Two women undergo bee stings to cure arthritis and multiple sclerosis with the help of Cheng-yi Chen, a bee sting therapy master....
Education Subject areas: Health
A jumping spider catches and kills a bee....
Lions, cheetahs, and Bengal tigers - they're beautiful, exotic and deadly. And these days in America they're legal as pets, easier to get and at times less expensive than a purebred puppy. As a result...
Production code: 20120
A story about the Bigfoot legend and its first footprint discovery in 1958 at Six Rivers National Forest, and the discovery in 2002 that Ray Wallace hoaxed the Bigfoot tracks. In 1967 Roger Patterson ...
Education Subject areas: Science as Inquiry
100 scientists are turned loose on an 18000-acre city park in Meriden, Connecticut, racing to find as many species of flora and fauna as possible in 24 hours. The current title-holder is Walden Pond w...
Production code: 20094
Earth is the only planet known to show signs of life. Living beings are found on the habitable part of Earth, called the "biosphere." The balance in the biosphere is maintained by co...
Black widows are graceful, gorgeous, and deadly. They live in every state of the United States, except Alaska. They thrive in hot climates, like the desert. But a survey revealed that there are up to ...
Length: 25:00mins
Production code: 92A61
A story about Black Canyon of the Gunnnison National Park and Gunnison Gorge Wilderness Area....
Since they are invisible, black holes are one of the most intriguing objects in the Universe. Astronomers have been able to detect black holes in the center of a great number of galaxies. Watch how bl...
A story on black mambas in Africa. Shots include hunting prey, scaring large herds, and devouring bush squirrel babies....
The U.S. is thought to have the highest demand for pet birds in the world, a situation that has spawned a flourishing illegal trade. These animals are in trouble, victims of a thriving trade in pet bi...
Length: 30:00mins
Production code: 92A74
Black widow spiders mate, the female lays eggs, and new spiders are born....
Shrimp and cavefish that live in deep rivers have developed the ability to navigate without eyes....
Education Subject areas: Biology
Propelled by the heart, blood irrigates the body as it flows through the closed circuit of the blood vessels. Blood is composed of liquid called plasma which has various cells with different functions...
From the deserts of Kuwait to the streets of Tel Aviv, the U.S. Military is fighting a different kind of war. They are fighting to save the lives of wounded soldiers. There has been a revolution of fr...
Year produced: 2003
Production code: 20226
Richard Conniff writes about the natural world and particularly about offbeat, fascinating, and sometimes faintly loathsome animals. But his subject today is bloodhounds and also the people who care a...
Length: 17:00mins
Production code: 91A40
Tourists bathe in Iceland's Blue Lagoon, created with output from a geothermal power plant....
A story on whale calls from blue whales in Pacific Ocean off coast of California. Biologist John Calambokidis places Crittercam on blue whale and studies its behavior....
A story on mackeral bait ball in ocean. Bluefin tuna, dolphins, and shearwaters all feed on bait ball....
At the University of Tennessee's "Body Farm," scientists study bodies as they decompose outside. They hope to create a reference for law enforcement professionals....
Education Subject areas: Biology, Personal & Social Perspectives
The cells in the human body do not function in isolation, but in complex groups called tissues. There are four types of tissue in the human body- epithelial tissue, conjunctive tissue, muscle tissue, ...
Bone growth is a slow, gradual process, stretching over almost twenty years. It begins at the embryonic stage. A fetus's skeleton is formed of cartilage, which becomes rich in minerals and begins to h...
In China, where height is highly valued, Dr. Ruan Yude performs leg stretching operations....
The bones in the human skeleton are remarkably strong. The solidity of bones is due to the structure of bone tissue. This structure includes compact bone tissue, bone marrow, and light-weight spongy b...
Boomslang, venomous African snake, hunts chameleon. Chameleon eats insects. Boomslang captures and eats chameleon....
A story on juvenile and adult zebras in the African savanna, and the importance and necessity of running fast with the herd to protect themselves against predators....
Worried about possible wildfires, the USDA Forest Service burns 200 acres of Superior National Forest to create a buffer zone between the forest and nearby homes....
A story on bowhead whales off coast of Alaska, including size, weight, behavior, and eating microscopic plankton....
This short is about the Harvard Brain Tissue Resource Center, otherwise known as the "Brain Bank". It is the largest brain repository in the world. For over 25 years, it has received...
A story on the practice of eating bull penises in Taipei to increase sexual stamina. Story follows Chef Ping-Hsing Chiu, with aid of Dr. Cheng-Yu Lee who prescribes herbs for the meal, as he prepares ...
Contrary to popular opinion, frogs are not just selective eaters feasting only on flies. A bullfrog, for example, eats spiders, scorpions, rodents, snakes, fish, and more. They don't have claws, beaks...
A story on consuming the San Pedro cactus in Peru. Story follows several people as they try to solve their personal problems by consuming the medicinal drug with the help of a shaman....
Conservationists work to protect Great Bear Rainforest, the world's only temperate rainforest....
The heart and the blood vessels together constitute the cardiovascular system. The two circuits of the system form a vast network composed of an infinite number of blood vessels. This system irrigates...
A map is a graphical representation of reality. The elements mapped are represented by symbols agreed upon by convention....
To portray the surface of the globe on a flat map, geographers have developed geometric methods called map projections. Common map projections are cylindrical projection and Mercator projection. The c...
A map portrays the characteristics of a territory, such as its water courses, vegetation, roads, and relief features. Making a map starts with a geodesic survey in the field and aerial photography....
It's hurricane season in the Atlantic, and two killer storms are on the loose. Back to back, they are deluging the Caribbean Islands and threatening the Eastern Seaboard. The Bahamas are pounded by a ...
Year produced: 2005
Production code: 63226-03
Millions of years of isolation from the African mainland have meant that Madagascar has a great variety of novel plants and animals. In fact of the 200,000 species that occur on the island, 75% occur ...
Production code: 20195
In some places, the rocks that make up the subsoil are hollowed out, creating underground cavities, or caves....
Like more complex organisms, the cells in our body are born, reproduce, then die. During their lifetime, cells are constantly active, preforming their various necessary functions. Their main function ...
A giant centipede walks through the Sonoran Desert looking for food. It seeks out prey with its antennae. Once it finds a victim, the centipede paralyzes and kills it with its poison claws on the unde...
Four mountaineers in the high steppes of northern Tibet and northeastern China have located the key calving ground of the chiru, a rare Tibetan antelope. Poachers have decimated the chiru populations ...
Length: 58:00mins
Production code: 20202
In Africa, a cheetah teaches its young cub to hunt at a lake. An unlucky young Thomson's gazelle becomes fodder for the cheetah cub's lesson....
Discusses the ailing ecosystem of Chesapeake Bay and the problems that are caused by it, such as the illness affecting the oyster population. Also considers possible solutions to help the bay and the ...
Production code: GEOAL06
More than 1000 years before any known contact between the East and West, hundreds of mummies, many with Caucasian features, were buried in a Chinese desert. China's Four bodies, a scattering of clues,...
Production code: 20355
When a cell divides, we can see small, stick-like objects in its nucleus, called chromosomes. Chromosomes are made up of a coiled, thread-like substance called chromatin. Its main component is the DNA...
Each summer, like clockwork, the streets, backyards, houses and wells of Baroda, India, are inundated with thousands of poisonous snakes, crocodiles, monkeys and other unwanted guests from the nearby ...
Production code: 20104
Discusses the life of clams, featuring time lapse footage of clams in action on the sea floor. Clams burrow in mud to attempt to avoid predators such as the cow-nosed ray, which can suck the clams out...
It's a terrifying experience to come face-to-face with the world's largest and most aggressive crocodile, but the "crocodile people" of Papua New Guinea risk encountering this formid...
Year produced: 1996
Production code: 33294
Plant classification enables us to trace the evolution of plant life. On Earth today almost 284,000 species of plants have been counted. Most are green plants, containing chlorophyll. Learn how to cla...
Depending on where you are on Earth, climatic conditions can be quite different. The climates of the world, determined by many meteorological and geographical factors, make up an incredibly diversifie...
The different regions of the world have extremely varied climatic conditions. The distribution of climates on Earth's surface is dictated mainly by the amount of sunlight. Other factors, such as wind,...
Clouds can take very different forms but all are made of water vapor, water droplets, and ice crystals. Watch clouds form through the process of condensation. Some factors that cause these air masses ...
Sea anemones attach themselves to rocks and coral, such as in the Great Barrier Reef in Australia. They have tentacles which contain nematocysts, stinging cells that paralyze marine animals. Sea anemo...
Protected by military guard, California Academy of Sciences field biologist Dr. Joe Slowinski takes us on a slow and hazardous journey to Burma's Chindwin River to Tamanthi Wildlife Sanctuary, Burma's...
Production code: 20051
Cobras in Southern India. Mating rituals and birthing footage of Indian cobras. Time lapse footage of Indian cobra embryo hardening into egg. Indian cobra newborns hatch from eggs and interact with ea...
Both Spain and the Dominican Republic claim to have the remains of Christopher Columbus. Researchers in Grenada prepare to test the DNA of bones buried in Seville, Spain while applying for permission ...
A comet is a small, icy celestial body whose spectacular tail can be seen from Earth when the comet approaches the sun. Most comets orbit around the Sun in very eccentric, long-period orbits. Others l...
Joyce Poole fell in love with wild Africa when she was only seven years old. As a scientist working in the shadow of Mount Kilimanjaro, she made discoveries that changed the way we look at elephants. ...
Year produced: 1997
Production code: 93A26
The configuration of the world that we are familiar with is not permanently fixed. In fact, the continents have been constantly moving on the surface of the globe for millions of years. We can actuall...
Coral reefs regenerate themselves. Some corals are hermaphroditic, releasing packages of eggs and sperm. Somehow, it works out that dozens of different species release eggs and sperm at the same time....
In the village of Kamberg, Zulu sangoma Elliot Ndlovu makes traditional medicine from a baboon carcass. In the city of Moutse, Dr. Conrad Tsiane also uses traditional animal-based medicine in an offic...
A story on medical examiners in the Northern Virginia District Office. Dr. Kathy Haden discusses her work and examines victim with self-inflicted gunshot wound to the head. Visuals of autopsy include ...
In each 30-minute episode, Dr. Heithaus and National Geographic's Crittercam team will take you on a wild adventure, partnering with world experts to deploy Crittercam on species as varied as humpback...
Production code: 63207-07
Production code: 63207-11
Production code: 63207-13
Production code: 63207-01
Production code: 63207-09
Production code: 63207-05
Production code: 63207-08
Production code: 63207-03
In Australia, the age of dinosaurs is alive in modern day man-eaters. Some folks raise crocodiles like ranchers raise cattle. But these ranchers know that you can wrestle a crocodile out of the wild, ...
Production code: 30080-03
A great crocodile farmer grows lots of baby dinosaurs into monsters. He fences giants, makes them happy enough to reproduce, and then steals their eggs. The business of crocodile farming is just as to...
Production code: 30080-04
Australia's crocodile ranchers are a tough breed. Wrangling these man-eaters is dirty, demanding, and dangerous work. Success in this business comes down to one thing, raising as many of these critter...
Education Subject areas: General Science, Life Science
Production code: 30080-02
Saltwater crocodiles. They can grow over twenty feet long ... and weigh well over a ton! They're the biggest and most dangerous reptile on the planet. They can take down a fully-grown buffalo. Smash t...
Production code: 20366
It's a problem the world over. Increased human populations mean smaller habitats for our animal neighbors. Nowhere have human populations exploded like India--and that has spelled trouble for some ani...
Length: 09:00mins
A story on crop circles in England. A crop circle researcher and a crop circle maker each discuss the possibility of intelligent life from another planet creating these designs....
In the year 1590, the merchant ship Rosario was heading home for Spain. But it would never arrive, as pirates were waiting to attack. In the race to escape, the merchant ship struck a reef and went do...
Length: 23:00mins
Production code: 92A97
Carrying little more than a headlamp, a portable water pump and five feet of rubber hose, Brady Barr heads deep into the unexplored swamps of Cuba for an up close and personal look at some of the cont...
Production code: 20075
The Yellowstone River in northern Wyoming, is a picture postcard river, wild and beautiful, a fly fisherman's paradise. It is, after all, cutthroat trout country. But to the animals that depend on the...
Production code: 34396
An octopus moves along the floor of the Great Barrier Reef. An egret walks nearby, and gets a little too close to the octopus. To defend itself, the octopus shoots water from its siphon and scares the...
Cyclones are gigantic, destructive, and deadly storms. Observe how tropical cyclones form and intensify in warm seas. Every year cyclones cause an average of twenty thousand deaths around the world....
A story on diamondback rattlesnakes of the Sonoran Desert in Mexico. Shots include males doing courtship ritual, mating, and hunting prey....
Brady travels the globe to research and hunt down seven of the world's most dangerous snakes. From India's King Cobra to South Africa's giant Rock Python, there's no snake too big or too small for Bra...
Production code: 63239A
In this program, delve into the terrifying world of structural engineering gone horribly wrong. Examine the chain of events that led to some of the world's worst structural disasters, including the co...
Production code: 20321
Craig and Jackie Adams-Maher perform a delicate dance with one of the most venomous snakes in the world: the death adder. On a quest in Australia, this husband-and-wife team conducts a harrowing searc...
Production code: 63200-01
Inventor Graham Hawkes is a man with a mission. And the end result of this mission is a desirable one. Graham has invented a deep-sea submersible, known as Deep Flight, to explore the oceanic realms l...
Production code: 21696
Ancient Greeks consulted the oracle at Delphi to learn their future. Modern archaeologists, like John Hale, believe that the oracle's trances were caused by ethylene gas rising up through fault lines....
A story about Denali National Park. Focuses on mountains and bears....
One quarter of the planet's landmasses have desert climates. Desert regions are characterized by very low precipitation. Every continent has a desert zone. The Sahara in Africa is the largest desert i...
He's survived the Southern Traverse and mastered the Sahara Marathon, but can Boyd Matson endure the toughest survival course in the world? We accompany Boyd to Western Australia where he'll attempt a...
Production code: 20063
At one of the world's most sophisticated high-tech battle training sites--U.S. Army's National Training Center (NTC), located on Fort Irwin in the deserts of California--computers and laser rays simul...
Year produced: 1991
Production code: 90A51
Desertification is destroying increasing amounts of farmland because of the combined actions of drought and human activity. The Sahel region of Africa and the Aral Sea are two of the world's regions m...
Imagine an era when space travel is as routine as today's airline flights. Envisage manned expeditions to other planets - perhaps outside our solar system - in search of extraterrestrial life. Picture...
Education Subject areas: Physical Science, Science & Technology
Production code: 20076
Local fishermen call them diablos rojos, or "red devils;" some fear them more than sharks. They are Humboldt, or Jumbo, squid, and in recent years, large populations have mysteriousl...
Production code: 30093
Dew and fog are condensation phenomena that take place at ground level, before our eyes. Dew is the drops of water found on objects in early morning. Fog is simply a cloud at ground level. Fog appears...
Illicit diamonds are worth more than $700 million a year and have backed wars in Sierra Leone, Angola and the Democratic Republic of Congo. Journey with National Geographic Magazine writer Andrew Cock...
Production code: 10051
Australia's wild dog, the dingo, is on the prowl. Hunting alone, it searches for small game. But the dingo sees a larger opportunity, when it spots a kangaroo and its joey. Meanwhile, the mother kanga...
Discusses dinosaurs and how they lived using footage of archaeological digs, fossils, and CGI animation. Examines possible causes of the extinction of dinosaurs and considers birds as possible descend...
Off the coast of South Africa, tourists are being lowered into shark-infested waters and paying for the privilege ... With nothing but an iron cage separating them from the jaws of great whites and pl...
Production code: 20090
Plunging more than 400 feet into the ocean on a single breath of air seems an impossible act, or at least one guided by madness. EXPLORER experiences the world of competitive free diving where the hum...
Production code: 20137
Seals - they dive to half-mile depths and cover the earth, from polar icecaps to tropical reefs. On islands and ice shelves, in masses and sometimes millions strong, we've seen seals make an uneasy tr...
Production code: 30197
Where did we all come from? Could we all be descendants of Adam? And if he existed, who was he, where did he live and what did he look like? It is a mystery that intrigues us all and questions like th...
Production code: 20316
A trainer rehabilitates a dog almost put to death for biting an infant, two puppies are rescued from a garbage dump, and an old chow may have a brain tumor....
Production code: 63253A
Dr. Austin Frishman is one of the top pest-control experts in the world. Clients hire him as a kind of field marshal to help them fight off everything from rats to termites. He is an entomologist and ...
Year produced: 1992
Production code: 91A29
Join the extraordinary Dr. Louis Leakey on an archaeological dig in Africa while he searches for the origin of mankind. The scale of his quest defies the imagination. Anthropologist Dr. Leakey unearth...
Length: 50:00mins
Year produced: 1966
Production code: 66S03
A story on Pablo Falcon, a Native American healer who believes drinking one's own urine boosts the immune system. Falcon discusses drinking urine as preventive medicine, and works with two patients wh...
As the sun begins to peak over a snowy ridge in the Rocky Mountains, a long, drawn-out cry rings out in Yellowstone's Lamar Valley. It is the call of a wolf. The call is returned by the rest of the pa...
Production code: 30092
Earth is the largest rocky planet in our solar system, with unique, vast stretches of liquid water. Earth is formed of concentric layers: the atmosphere, crust, mantle, and core. Earth's internal heat...
Earth is the largest rocky planet in the solar system and has a single satellite, the moon. Covered with water, Earth is also protected from the Sun by a thin atmosphere and a gigantic magnetic field....
The atmosphere is a thin, gaseous layer that envelopes Earth. It is due to the atmosphere that life was able to appear and develop on our planet. Explore the different layers of the atmosphere....
The atmosphere is a thin gaseous layer that envelopes Earth and protects it from certain solar rays. Variations in pressure create air movements in the atmosphere. Whether they are light or strong, co...
Amateur video, such as home movies and security cameras, captures earthquakes in action. Some of the footage shows a woman in her home, a restaurant bar, a school, and a gymnasium. Victims are escorte...
For the last century, the ice cap atop Mt. Kilimanjaro has been shrinking, reducing the water supply to the surrounding area....
Tourists are drawn to East Timor's unspoiled natural beauty and variety of marine life, while the government works to establish an infrastructure to handle tourism without damaging the environment....
A solar eclipse occurs when the moon passes between the sun and Earth, causing the sun to temporarily disappear from the sky. There are two types of solar eclipses: total and annular. A lunar eclipse ...
An ecosystem is a community of animals and plants living in relationship with each other in a given environment. Ecosystems can be aquatic, terrestrial, or atmospheric, and can vary greatly in size. I...
Education Subject areas: Biology, Earth Science
Climatic disturbances caused by the El Nino and La Nina phenomenons affect the entire planet. View images of the phenomenon, from a satellite measuring the height of the ocean. Observe changes in sea ...
"Sunrise to Sunset" features aerial footage focusing on sunrises, sunsets, sunlight, clouds and storms over rural or natural landscapes and some water....
Production code: SWK1320
ELEPHANT POWER travels deep into the heart of forbidden Burma to document, for the first time, the lives of wild Asian elephants. Some 10,000 elephants, nearly one-third of all Asian elephants, surviv...
Production code: 33598
Elephants are usually docile herbivores, but authorities say wild elephant attacks are increasing. Why? The Pittsburgh Zoo's "Elephant Whisperer" Willie Theison brings uncanny insigh...
Production code: 20317
At the Cincinnati College of Mortuary Science, students learn to embalm and prepare bodies in accordance with Christian funeral traditions....
Production code: GEOPP06
Wind energy is poised to become a major energy source. Recently, however, people have begun to report problems and complaints with wind turbines built close to houses. There have been some solutions, ...
Equinoxes, two times each year when sun crosses equator and day and night are of equal length. Illustration of celestial sphere where celestial equator intersects the ecliptic. Summer and winter solst...
Education Subject areas: Personal & Social Perspectives
Although we are not always aware of it, the landscapes around us are constantly changing. Very slowly, under the combined influence of wind and water, relief features are worn down in a process called...
Europe, which forms the western end of Asia, is a peninsula with many divisions and many seas lapping its shores. Though the continent only represents seven percent of the planet's land mass, it is ma...
Mount Everest: It towers over everything else on earth, making it the ultimate challenge for mountain climbers. The dangers are real, the consequences potentially fatal. To climb Everest is to stare d...
Length: 14:00mins
Production code: 20127
Mars is the most thoroughly studied planet in the solar system. Since the 1960s, forty space probes have been launched in its direction. Learn about the space probes that have visited Mars and about t...
Since it is the celestial body closest to Earth, the Moon was the first objective in the conquest of space. The Soviets began exploration of the Moon in the 1950s. The Apollo Missions and the astronau...
Surveillance is everywhere today. We introduce the new surveillance society and show how cutting edge technologies are being developed to identify, monitor and track both people and things. It is a wo...
Production code: 20337
A story about golden lion tamarins....
In Okabena, Minnesota, Dale Aden is a third-generation farmer. For years, he watched the Okabena Creek flood and destroy his crops and farmland. After the losses took their toll, Aden decided to retur...
An alien invader runs rampant through the borderlands of South East Arizona, devouring anything that crosses its path and wiping out entire populations of local residents. In its relentless pursuit of...
Production code: 30498
Once a year, off the coast of Belize, in the deep ocean, the waters fill with life. These are more than fish, more than just schools of fish - these are miles of fish. And amongst these fish is the la...
Production code: 30052
In tropical Costa Rica, the deadly fer-de-lance pit viper accounts for more than 95 percent of all snakebites. Costa Ricans call it "terciopelo"--Spanish for velvet. But it's hardly ...
Length: 08:00mins
Human reproduction requires that a ovum and a spermatozoid meet. Fertilization, the fusion of sexual cells, occurs following sexual intercourse. Follow the process of fertilization, resulting in the f...
Iceland is called the 'Land of Fire and Ice,' a land of contrasts, constantly in flux, and always primed to take your breath away. Tourists travel on a glacier lake at Jokulsarlon. Vatnajokull, the la...
Geological activity in Iceland including its largest glacier, Vatnajokull, several volcanoes, and continental drift is also occurring at Thingvellir....
Nothing seems to stop these alien invaders - not flood, nor fire, nor pesticides. They band together to form a brutal red tide, killing indiscriminately and stripping their victims to the bone. But on...
Production code: 20324
est surfer Tom Carroll joins the Indies Trader as they discover a deserted village in the Louisiades archipelago, off Papua New Guinea. Environmental scientist Matt Tomaszewski and marine biologist Dr...
Education Subject areas: Life Science
Production code: 65054E
This short examines the hunting behavior of African fishing spiders. The spider rests on the water's surface with its hind legs on leaf and front legs on water to detect vibrations. The spider suddenl...
The caracara has an infamous reputation for mischief and mayhem. A combination of brains and brawn allow the falcon to endure the Falklands' tempestuous seasons, but many young, inexperience birds mus...
Production code: 33997
Prepared in 1,001 ways, plants have been part of the human diet for millennia. Explore the food plants--from cereals, garden vegetables, and fruits. Beans, algae, and mushrooms form a large part of th...
Environmental scientist Matt Tomaszewski and marine biologist Dr. Jo Rush trek deep into the rain forest of the Mentawai Islands with conservationist Lisa Paciulli, a scientist studying one of the rar...
Production code: 65054J
Discusses the interesting behavior of the water-holding frog of Australia. During the rainy season, this frog gains 50% of its weight in water, then burrows itself in three feet of mud. It cocoons its...
Regal horned lizards have an unusual self-defense tactic. The lizards live in the Sonoran Desert in Mexico and primarily feed on ants with their sticky tongues. Coyotes are hungry predators of the reg...
A river otter hunts for fish in Tanzania, Africa. It spots a puffer fish swimming, and dives in after it. To defend itself, the puffer swallows water until it inflates itself like a beach ball. Once i...
A story on Gaboon adder in tropical Africa hunting and eating rat....
The Universe contains about a 100 billion galaxies, in gigantic groups called galaxy clusters. Clusters are portions of space where many galaxies, sometimes thousands, are concentrated and form superc...
Brief history of the Galapagos Islands and shots of many unique animal species, focusing on iguanas and marine iguana....
Colorful, macro views of a father's front garden and the insects, pond, and plants that call it home....
Length: 06:00mins
Production code: MFG1409
A secret world rich in wildlife is hidden away inside an ancient volcanic crater in Kenya's rift valley. Mighty geysers of steaming water, boiled underground by highly sulphuric volcanic activity, gus...
Production code: 30047
Floridians must learn to live with alligators as neighbors when development, drought, and other factors put the two in increasingly frequent contact....
Production code: 20149
Sylvia Earle, a tireless researcher and crusader for protection of the ocean's ecosystems, has perhaps spent more time underwater than she has on dry land. Meet Dr. Earle and six other marine scientis...
Production code: 21698
A music video tribute to the fascinating lives of cats. Cats, both big and small, are one of the most perfectly engineered predators on land. Precise, cunning, fast, intelligent, and always fascinatin...
Production code: 20039
To get our bearings on Earth, we use geographical coordinates, such as the hemispheres. The equator and the prime meridian are the main axes for an imaginary grid that forms latitude and longitude, al...
Wherever you are on Earth, the magnetized needle of a compass will always point in the same direction. This occurs because Earth is surrounded by a magnetic field. It is still not well understood why ...
Geostationary satellites are constantly monitoring Earth's climate. Five geostationary weather satellites are positioned around the planet's equator. They can observe both landmasses and oceans, cover...
Education Subject areas: Earth Science, Science & Technology
Geysers are springs that periodically spout steam and hot water to a height of several meters. They are rare phenomena, found in only a few regions of the world....
A story about elephant shrews, including young trying to nurse and females making nests....
A story on the Giant's Causeway in Northern Ireland. Both legend and science are discussed as the cause of the basalt columns....
During the hot, dry season, herds of elephants converge on the waterholes of the Etosha National Park. Then, seemingly overnight, they disappear. No one knows why the elephants move along with each ra...
Production code: 30034
Follow the tracks of the grizzly, wolf and bighorn sheep as they take us on a guided journey through Jasper to meet the other residents in this wild wilderness. We'll be introduced to golden eagles, p...
Production code: 33296
Brady Barr introduces us to two heroes of the wild west, one legendary, the other unsung. "Heloderma suspectum", the Gila Monster, is the source of more superstitions, folklore, and ...
Production code: 30044
Reptile expert Rom Whitaker examines a gila monster in the New Mexico desert. Despite its reputation, the gila monster is rarely aggressive although it does have a powerful, venomous bite. It is an ex...
Production code: GEOAN06
Alpine glaciers are quickly disappearing. Strong evidence shows that Europe's rising temperatures are melting away Austria's glaciers. Records dating back to the 19th century document drastic changes ...
Glaciers are huge masses of ice that cover the basement rock. They are found only in regions where snow-cover is permanent....
This report describes the effects global warming could have on humans and animals such as the polar bear....
Production code: APSF1339
For about 150 years Earth's surface has been measurably warming up. The heating of the planet is probably caused by an increase in the greenhouse effect. What are some possible consequences of this gl...
Recent studies by NASA show that the ice sheet covering Antarctica is melting. New tests using gravity-measuring satellites confirm what other tests have shown, that the ice is melting at a significan...
Young elephant walks with adult elephants, jumps on other small elephant, climbs out of mud, plays with other small elephant. Elephant splashes in water....
Ever since the Rwandan government closed Volcanoes National Park nearly two years ago, little has been known about the fate of its most celebrated residents - the famed mountain gorillas. National Geo...
Production code: 20048
Rising tourism in Grand Canyon National Park. Tourists ride mules and talk about their visits, while park officials comment about possible negative effects of having so many visitors....
A story on gray whales migrating between Mexico and the Arctic, where killer whales prey on young gray whale calves when the gray whales reach Monterey Bay. Marine biologist Nancy Black discusses this...
We follow biologist Chris Darimont's journey through the Great Bear Rainforest of British Columbia as he follows a pack of wolves and their trials and tribulations in grizzly bear country. Mighty griz...
Production code: 10061
A story on breaching great white sharks off coast of South Africa in False Bay....
In northeast Pennsylvania, people have unusual neighbors. Black bears there are keeping their place in an increasingly crowded world. The bears have lived there for thousands of years, and over the pa...
Production code: 92A51
A story on Guelta Archei in the Sahara. Don Webster and George Steinmetz visit the rock pool where nomads stopped to rest thousands of years ago when crossing the desert. Shots of camels, crocodiles a...
Discusses the life of the hairy sea cucumber, featuring time lapse footage. The sea cucumber burrows into the ocean floor, then releases its tentacles to filter food from the tide and sucks each tenta...
Sharks have thrived in the oceans for over 350 million years, but around 20 million years ago a new species emerged in the fossil records in a form unlike any ever seen before- the Hammerhead shark. W...
Production code: 20388
Harris's hawk parents watch over their young in the Sonoran Desert. Their nest is on top of a saguaro cactus. One of the adult hawks spots a wood rat, and flies down after it. The rat scurries and hid...
Scientist discusses efforts to monitor the seismic and magma activity of the Big Island of Hawaii's two volcanoes, Mauna Loa and Kilauea, using various means including satellite and a GPS monitoring n...
The ear is the organ of hearing, enabling us to perceive and distinguish sounds. Sound travels through the three parts of our ears before they reach the cerebrum. The sounds are then analyzed in the a...
In 1927 Norman Vaughan was a member of Adm. Richard Byrd's Antarctic expedition. Sixty-seven years later, 88-year-old Vaughn became the first person to reach the summit of Antarctica's 10,302-foot Mou...
Production code: 93A20
Researchers at Brigham Young University use multispectral imaging to read papyrus scrolls excavated from Herculaneum, previously believe to be unreadable....
Human beings have colonized every corner of planet Earth, spreading from temperate zones to the polar regions, arid deserts, and high mountains. Now scientists are asking how humans originally conquer...
Canada's Banff National Park is a place of endless beauty that attracts nearly five million people each year, many of whom underestimate this rugged and often dangerous terrain. Adventure-seeking visi...
Production code: 21196
The most celebrated and magnificent flying machine ever built, HINDENBURG was a luxury liner in the sky. Stretching 804 feet in length, and lifted by 7 million cubic feet of hydrogen, the legendary Ge...
Production code: 23698
Discusses the history of filmmaking, from the medium's origin in the late 19th century to the modern era. Covers the evolution of film-viewing technology and the expansion of filmmaking, both within a...
With shells crashing around his bunker and planes droning overhead, Adolf Hitler faced the reality of defeat and took his life. But then his body disappeared mysteriously. Only later did we learn that...
Production code: 63244-03
Summer 2004. Stories are circulating in the swamps of southern Georgia, USA about a huge and terrifying wild boar lurking in the woods. Local resident Chris Griffin encounters the animal and kills it....
Production code: 20313
It's springtime in Japan and in this ethereal landscape of radiance and renewal; a monster awakens from its winter slumber. The Giant Japanese Hornet is the largest hornet in the world and is a fearso...
Production code: 30067
Lester Courtney and his wife, Carol, are loggers. They are part of all that remains of what used to be the foundation of the forestry industry. They use horses for hauling lumber. Lester has always lo...
Education Subject areas: Personal & Social Perspectives, Science & Technology
Horses, like dogs and dolphins, evoke in us all a sense of affection and appreciation. The relationship humans have with horses is one that has evolved for many centuries - just as their function and ...
Production code: 65197
Discusses life and natural history of horses as well as the domestication of horses beginning about 4,000 years ago. Horses became indispensible to humans in their work, and people began to breed hors...
The mountains that rise everywhere on Earth are evidence of the movements of the planet's surface....
A story about the Hubble Space Telescope and all of the information and images it has captured, including new planets and stars, black holes, galaxies, and what the universe looked like after the Big ...
Production code: GEOSCI07
Humidity is the amount of water vapor in the air. Watch how humidity changes with the processes of evaporation and condensation, as water molecules pass from liquid states and gaseous states. Satellit...
A story about humpback whale migration and behavior....
Scientists study humpback whale feeding techniques using Crittercam....
There has been an increase in bull shark attacks in Recife, Brazil. But where did these sharks come from, why have they chosen Recife and is there any way to make the attacks stop in what is fast beco...
Production code: 65532B
Raw energy explodes onto the screen in a powerhouse of rippling muscles, and sheer determination. Ultra slow motion images of speed, strength and physical beauty portray the hunting dogs of the desert...
Production code: 30097
Two students release young puffins in Heimaey, Iceland, as part of conservation program. Details challenges for puffins in urban Heimaey....
Clouds come in an infinite variety of shapes. In spite of this apparent diversity, all clouds belong to four main families, depending on their altitude. Learn to recognize the categories of clouds. Th...
The air around us contains all sorts of bacteria and viruses that can attack our body and cause diseases. Immunity consists of all the defense mechanisms the body uses to fend off these infections. Th...
It is the tale of Genesis and the even older Babylonian tale of Gilgamesh - a catastrophic flood that wiped out plants, animals and people in a vast area of the ancient world and sent those that could...
Production code: 20116
A story on in vitro fertilization, where a doctor works with a couple from the beginning of the process to the end, including hormone injections, egg retrieval, semen collection, IVF, the forming of b...
Aerial shots of various types of industry and energy concerns, set to "Night on a Bare Mountain" by Mussorgsky. Includes footage of airplanes, factories, wind farms, and power plants...
The U.S.S. Eisenhower: one of the most advanced 'super carriers' in the U.S. Navy's arsenal. Fresh off a $2.5 billion overhaul, the 'Ike' is poised to deploy for the first time in four years. But firs...
Production code: 20351
Heroin: it's one of the most addictive drugs on Earth. The ultimate high. But the face of heroin is changing. No longer the dirty, back alley drug of two decades ago, heroin is now purer, stronger and...
Production code: 20359
Earth measures more than 12,000 kilometers in diameter, but our direct knowledge of our planet extends only to it outer layer. With indirect observations, such as the study of earthquakes, scientists ...
Domino Kidney: A U.S. medical team has developed a remarkable system that brings kidney donors and recipients together in a multi-swap event: simply put, I�ll save your wife if you�ll save m...
Production code: 63250-04
A story on Howe Caverns in New York, its discovery by Lester Howe, the history of the cavern's tourism, the different rock formations and underground river, and marriages within cavern....
Target: Saddam Hussein's Baghdad. Mission: unleash a bombardment so massive that it destroys the enemy's will, yet kills as few people as possible. Using spectacular exclusive imagery and CGI, Nationa...
Production code: 20312
With unprecedented access this film documents the efforts of the American Special Forces and their decisive role in the war on terror around the globe. The key characters in this film are part of the ...
Production code: 10078
Join tornado researcher Tim Samaras as he races to capture tornado data-from inside. Can he do it without becoming a statistic himself?...
Production code: 20139
Photographer Carsten Peter braves toxic gases, treacherous rock falls and giant pools of molten lava as he rappels inside the active volcanoes of the exotic South Pacific island of Vanuatu ... all in ...
Production code: 20066
A team of investigators is on the trail of plants and animals that are turning up where they don�t belong. Their work is part of an increasingly urgent global quest. Alien species have invaded ev...
Production code: 10058-3
An army of toads, millions strong, sweeps across the Australian continent. Equipped with a deadly toxin their march is relentless. The casualties are staggering. As the toads march into the small fron...
Production code: 20333
Some people eat in their sleep. Some lash out at their spouses. But is it possible that people can commit complex crimes - even murder - while they are sleepwalking? With only a dead victim and a zone...
Length: 48:00mins
Education Subject areas: General Science, Health
Production code: 14009-02
We travel from Lourdes, to India and Mexico looking at some of the miracle cures that are said to exist....
Production code: 14011-04
Perhaps the most controversial religious relic in the world: we investigate the linen sheet known as the Holy Shroud of Turin, the supposed gravecloth of Jesus Christ....
Production code: 14011-12
Tales of ghost ships, ghastly and cursed, have intrigued and haunted us for centuries. It seems there�s more supernatural activity on the open ocean than in all the graveyards in the world. Could...
Production code: 14011-13
Mars, the red planet. For centuries, we humans have gazed at our neighbor, and imagined an alien world. And as human technology advanced and telescopes brought it closer, we began to see signs of life...
Production code: 14011-09
Video Diary documenting adventurer Lance Millbrand's 30 day stint on a deserted South Pacific Island: a story of solitude in a seldom-visited but beautiful part of the world....
Production code: 20206
Hungry jackrabbits chase each other through brush. Jackrabbits forage and eat cactuses with sharp needles....
Dave and Tracy Barker have a passion for a different kind of pet. They keep over 1,000 pythons on their ranch in Texas, where they breed, study, and sell the snakes. Both scientists, the Barkers belie...
Production code: 94497
"To go where no one has gone before." This should be the motto of biologist Susanna Paisley. National Geographic EXPLORER takes you along with Susy on the first scientific expedition...
Production code: 93498
In the central dry zone of Burma there lives a clan of snake catchers who devote their entire lives to trapping some of the world's most dangerous snakes, including a newly discovered species of spitt...
Production code: 20050
In December 1997, University of Chicago palaeontologist Dr. Paul Sereno, traveled to the Gadafawa region of the Sahara Desert, hot on the trail of some bizarre bones. After a month of searching he was...
Production code: 95198
National Geographic photographer Louis Psihoyos embarks on a dinosaur egg world tour. Join him as he explores the latest research on dinosaur eggs, embryos and parenting....
Production code: 93496
GATOR DOC prowls the Everglades at night with biologist Brady Barr in search of a living dinosaur: the American alligator. Barr tracks down alligators after dark, finds them with a searchlight, and wr...
Production code: 95297
Journey with National Geographic-sponsored scientists as they research exotic animals from around the world....
Production code: 94697
Australia: Home to 180 different kinds of snakes and a third of all the venomous snakes on the planet. Brady Barr teams up with famous snake expert Brian Bush to head into the wilds of Western Austral...
Production code: 20062
Biologist Nancy Andrews races to the rescue of endangered pelicans in California's inland Salton Sea. This bizarre land-locked body of water is host to over four million birds during migratory seasons...
Length: 12:00mins
Production code: 94396
This one is for the extra hardy only: a seven-day, roughly 150-mile footrace through a stretch of the Sahara in 120-degree heat carrying life's necessities in a backpack and a map and compass in hand....
Production code: 93797
Underwater photographer Emory Kristof explores the untouched marine life around Rongelap, a Pacific island long abandoned because of nuclear bomb testing. Emory guides the viewer through the island's ...
Length: 13:00mins
Production code: 93297
Gator Doc, Brady Barr, goes Down Under to trap and catch the largest, nastiest crocs in the world. On patrol day and night with Australian croc hunters Tommy Nichols and Neville Haskins, Brady helps t...
Production code: 94698
Its five o'clock in the morning in India's Bandhavgarh National Park, and National Geographic magazine photographer Nick Nichols is looking for a tiger and riding on the back of an elephant is the bes...
Length: 24:00mins
Production code: 93997
EXPLORER JOURNAL attends the largest natural history auction ever held in the U.S. and touches on the controversy surrounding the sale of natural history objects including the world's largest shark ja...
Length: 10:00mins
Production code: 93596
The cheetah is the fastest animal on land. Nothing can escape its sprint. But now the cheetah is in trouble, and is even facing extinction. Photographer Chris Johns is in search of the cheetahs of sou...
Production code: 93198
National Geographic magazine photographer Joel Sartore likes to get up close to his subjects. To get that tight dramatic shot, he crawls underneath a moose with an enormous rack of antlers, crouches d...
Production code: 93395
Over the years, piranhas have gotten a bad reputation. They are seen as vicious creatures waiting to strike, with no mercy. Richard Conniff writes about animals like piranhas, and sees himself as an i...
Production code: 93698
Actor Cliff Robertson has been flying planes since he was 14. But it was only about 10 years ago that he started flying in gliders and became a wave-soaring enthusiast. A mountain wave is a unique met...
Length: 16:00mins
Production code: 93597
In the African country of Botswana there was once a paradise. But Africa was changing. In the early 1980s a crippling drought seared the continent. Moisture was sucked from the earth. Rainwater pans d...
Length: 57:00mins
Production code: 90S03
The northeast section of Chiapas contains one of Mexico's few remaining stands of tropical rain forest and some of the most extraordinary geological formations in the world. A labyrinth of rivers diss...
Length: 19:00mins
Production code: 91A17
The largest planet in the solar system, Jupiter is a gas planet, with a thick atmosphere composed mainly of hydrogen. Its famous red spot is an immense hurricane, which has been blowing for more than ...
In Kaikoura, New Zealand, where Maori have lived for years, deep canyons near the shore create a perfect environment for whale watching....
South Africa's Karoo desert, called the Succulent Karoo Biome, is a plant habitat threatened by extreme climate change. Succulents species, plants that have adapted to dry climates by storing water in...
For many people, money--and how to make more of it--is an everyday struggle. But we could all be overlooking an obvious source of earning potential: selling our own body parts. We'll show you the stra...
Length: 07:00mins
They breed five times more often than native honeybees. A single swarm can deploy an attack force of 50,000 stingers. Their armies of suicide bombers can chase an intruder for a quarter of a mile and ...
Production code: 20350
In the killing heat of the Kalahari, a busy cheetah mother fights against the odds to raise three hungry cubs... while participating in the most spectacular race on earth. The cheetah -- the fastest m...
Production code: 30086
A story on killer whale massage, where killer whales swim through kelp or rub against rocks on ocean floor several times a day....
Killer whales capture sea lion pups and toss them back and forth. The last catch is set free....
A sea lion in Monterey Bay, being chased by a pod of killer whales, tries to jump onto a National Geographic boat. The killer whales eventually capture and kill it....
Under the clear turquoise waters of the Tysfjord in Norway, a strange gathering is taking place. Pods of killer whales are practicing an extraordinary new behavior pattern involving the local populati...
Production code: 33696
National Geographic correspondent Mireya Mayor has helped discover a new species of mouse lemur that may be the smallest primate in the world. Viewers accompany Mireya on the arduous journey deep into...
Production code: 20212
A story about the king vulture, one of the most beautiful vultures, which the ancient Maya believed was a messenger from the gods....
Environmental scientist Matt Tomaszewski and marine biologist Dr. Jo Rush team up with scientist Roshni Nirody to head into the previously barred waters off Myanmar to save the legendary Moken sea gyp...
Production code: 65054K
In the isolated Congo reserve of Goualougo famed conservationists Jane Goodall and Mike Fay attempt to persuade the Congoalese government to protect one of the last wild populations of Chimpanzees. In...
Production code: 20190
Jane Goodall has been studying wild chimpanzees for forty years. But recently, she spotted something she had never seen before: chimps who had never been hunted or harassed by humans, whose behavior w...
Guest volcanologist, Trudie Bradbury, investigates the likelihood of a volcanic disaster in Rabaul, Papua New Guinea. Environmental scientist Matt Tomaszewski discovers he has a fear of heights climbi...
Production code: 65054B
A story on the use of leeches in curing illness. Dr. Sachin Nandedkar treats Rajiv Khedkar who suffers from psoriasis....
For centuries, the Amazon forest remained untouched by the outside world. The Indians who lived here found everything they needed in the bounty of the forest. The river belonged to another creature th...
Production code: 93A10
Should be: A story on mackerel bait ball in ocean. Bluefin tuna, dolphins, and shearwaters all feed on bait ball....
Explorer's newest field specialist, Mireya Mayor, spends her summers in Madagascar tracking down lemurs-performing critical work on two species of highly endangered primates whose habits remain a myst...
Production code: 20143
Leopards spend much of their time in trees because other big cats will kill them and hyenas and other wild dogs will steal their killed prey. Shows a leopard in Mala Mala Game Reserve as it struggles ...
In honor of the Atlanta Olympics, three National Geographic photographers travel the globe and document the cultural roots of sport. From the frigid inlets of Greenland to the plains of Punjab, photog...
Length: 21:00mins
Production code: 20795
This documentary takes place on the dangerous slopes of Mount McKinley in Alaska, North America's highest mountain. As the climbing season begins, hundreds of men and women arrive seeking the rush of ...
Production code: 20216
A story on young beluga whales in the Arctic, including social behavior and how babies grow up. One young beluga gets stranded on shore, but survives when tide comes back in....
Discusses the solitary lifestyle of the leopard, which generally is found alone except during the mating cycle. The male and female leopards then engage in courtship behavior until the female is truly...
A story on newborn loggerhead turtles leaving the sand and swimming out to sea to deal with predators and survival....
Houses don't move. That's a basic assumption, and one that Jerry Matyiko and his three brothers challenge every day. They're in the house moving business and, with a dash of bravado, they claim there'...
Production code: 92A81
Discusses what lightning is, what causes it and what to do in event of an electrical storm. Lighting occurs all over the world and kills nearly 100 people per year in the United States....
Every second, several hundred lightning bolts flash around Earth. These spectacular, dangerous giant sparks occur at the strongest point of a storm. Watch how lightning develops in a storm....
African lions are losing more and more of their habitat. But their problems go beyond space. Only the biggest parks have enough space to hold several prides with a variety of genes. In smaller reserve...
The littoral is the zone of contact between continents and the sea. Its configuration depends on the relief and on the nature of the coastal rocks....
Found in East and Southwestern Africa, the cheetah is the world's fastest land animal. Its body is built for speed with small heads, large chests, and tiny waists. Cheetahs live in coalitions and have...
National Geographic Television & Film's LIVING WITH ANTHRAX journeys to two distant continents - North America and Africa - to meet two mothers facing the threat of anthrax in very different w...
Production code: 20167
Journey with National Geographic's LIVING WITH GORILLAS into the heart of equatorial Africa, where Spanish primatologist Magdalena Bermejo and her cinematographer husband, German Illera are conducting...
Production code: 30042
An intimate look at life behind the camera with world-renowned filmmakers, Mark Deeble and Vicky Stone. They will spend two years at Mzima Springs in southern Kenya, filming crocs and hippos as never ...
Production code: 30043
EXPLORER steps behind the camera with acclaimed African wildlife filmmaker Kim Wolhuter as he and his family spend two years in the bush following a young leopard's journey into adulthood....
Production code: 30091
In Phoenix, Arizona, inmates are held in outdoor pens separated from the desert elements ? that swing between 130 degrees in the summer to well below freezing during the winter nights ? by only their ...
Production code: 63257-06
Journey to a lost land high in the Andean mountains as we travel with a team of adventurers and scientists on a perilous rescue mission. Their goal - to discover forgotten cultures, Inca ruins and new...
Production code: 20100
For millennia, dogs have lived alongside us. Early on, like other domesticated animals, we usually made them earn their keep by providing protection, herding sheep, or helping on the hunt. But somewhe...
The fate of a star depends mainly on its mass. Low mass stars, those that are the size of the Sun or smaller, shine the longest. Observe the life of a low mass star--as it is born, matures, and moves ...
A story on maggot therapy. Cindy Kennedy visits Wesley Medical Center's Midwest Center for Wound Healing in Wichita to undergo maggot therapy to clean out the dead tissue in her abdomen....
Men get plastic surgery in search of "the perfect body." One man gets silicone implants in his buttocks....
Brady Barr travels to the Lower Shire River in Malawi to investigate a growing massacre: crocodiles and hippos are killing two humans a day. The locals blame witchcraft, but Brady will join a team of ...
Production code: 20080
Along Malawi's Shire River, villagers are frequently attacked by Nile crocodiles. Conservationists use videos to teach crocodile safety, and some people try to build wells....
The massive flooded corridors of Wakulla Springs in Florida are among the last unknown places on earth. More than 100 meters below the surface, the hidden reaches of this underwater cave have so far e...
Production code: 22698
For thousands of years people have made maps to illustrate the relative position of places on Earth. In the 2nd century AD, astronomer Ptolemy laid out a system of latitudes and longitudes to plot pre...
Half the size of Earth, Mars is known as the "Red Planet" because of the iron oxide contained in its crust. Mars' relief presents a surprising variety of structures, including canyon...
Discusses the NASA Mars Rovers Spirit and Opportunity and their mission to collect climate and geological data and to search for signs of water on the planet. Scientists have been interested in Mars b...
For centuries, Mars has held humankind's imagination and curiosity. Part of Mars' scientific attraction lies in its proximity to Earth, and its similar features. In 2003, NASA launched two identical r...
Massive stars have a spectacular but relatively short life, remaining stable for only about 500 million years. Watch as a massive star is born, quickly develops to maturity, and moves into supergiant,...
Maternity--the state of being a mother--starts not when the baby is born but at the beginning of pregnancy. Observe the physical changes a mother goes through during pregnancy and child birth. Once th...
Over a thousand pounds, with powerful muscles and formidable claws - the world's biggest bears are the largest, strongest land-dwelling carnivores on earth. Adult polar, brown (Grizzly) and black bear...
Production code: 20342
Earth's atmosphere is closely monitored by a network of twelve thousand weather stations spread around the planet. Each station uses different measurement instruments that record all sorts of meteorol...
Temperature is one of the main climatic variables. Strange as it may seem, temperature is actually a measurement of the movement of molecules in matter, such as water. Similarly, atmospheric temperatu...
Among the thirsty bushes of the Kalahari Desert roams a small, furry hero, the meerkat. As he digs around under the dry ground for his next meal, a hawk takes notice and swiftly dives. A nearby clanma...
Production code: 30598
When the world's industrial giants move their mountains, there's a legendary port with the mechanical brawn and the depth of water to handle colossal ships. The Port of Rotterdam is one of the busiest...
Production code: 63233-03
Discusses the MegaFlyover project, in which biologist J. Michael Fay of the Wildlife Conservation Society spent six months conducting an aerial survey of Africa to determine how various eco-regions ar...
Mike Fay leads the Megatransect expedition through forests in Democratic Republic of the Congo and Gabon, crossing Kongou Falls....
Mercury, the planet closest to the sun, is a rocky planet with a large iron core and the most extreme temperature swings in the solar system. We know very little about Mercury. A single space probe, M...
A meteorite is a fragment of spatial matter that falls to the surface of a planet. Most meteorites that fall to Earth come from the Asteroid Belt. Watch as a meteorite travels to Earth, causes an expl...
What will the weather be like tomorrow? To answer this question, meteorologists rely on a vast system of observation stations, placed all around the planet. Measurement instruments gather data on the ...
To date, more than 3,500 kinds of minerals have been discovered on Earth. At first glance, they all look different, however minerals can be classified in families according to the shape of their cryst...
Mother grizzly bear teaches her cubs how to fish....
Short titled "Monarch Butterflies". Every year, up to 300 billion monarch butterflies migrate more than 2000 miles from Canada to Mexico. Sudden changes in their environment though, ...
MONGOOSE MURDERS tells the story of two women committed to understanding the mysteries of this little known creature. Set in one of the most beautiful national parks, National Geographic uses the late...
Production code: 30079
Although giant clams are shown as monsters in books and movies, in reality they are hardly dangerous. True to their name, they are the largest of their kind, with shells up to four feet long. But gian...
Unexpected moments with danger and wonder can spring up when you least expect it. Sometimes when the world is turned upside down in an instant, heroic impulses can mean the difference between life and...
Production code: 63243-03
The isolated Virunga Mountains in the central African country of Rwanda is home to the mountain gorilla. One of Earth's most endangered animals, fewer than 500 of the docile creatures survive in the w...
Production code: 91A05
Mountain relief features are recognizable for their high altitudes and their slopes. Mountains exist on all continents....
The Maya Mountains of Belize are some of the most rugged and unspoiled places left in Central America. To date, the steep valleys, jagged limestone canyons, clear water rivers and dense rain forest of...
Production code: 34894
Mt. Etna, Europe's highest active volcano, rises above several towns. Local residents choose to live close to the dangerous volcano, tied to the mountain by tradition and history. Recent explosions ha...
They have survived perils that killed off less adaptable creatures. But today, the mugger crocodile of South Asia faces twin foes: the march of human expansion and the uncompromising laws of nature it...
Length: 53:00mins
Production code: 30032
The skeletal muscles are made up of a very specific kind of tissue that is able to contract in response to nerve stimuli. A muscle is formed of a grouping of many bundles of fibers. These fibers allow...
It is perhaps the best-known story in the Bible: A righteous man named Noah, who built an ark and survived a flood. But what happened - or didn't happen - to Noah is raising questions: in geology, in ...
Production code: 14007-05
Wiltshire County is a mystical countryside still haunted by mysteries of an earlier age. It is home to the Westbury White Horse, the cryptic Silbury Hill, and the most famous and intriguing spot, Ston...
Length: 36:00mins
Production code: 91A37
National Geographic travels back 35,000 years in time - to when glaciers stretched across the Eurasian continent and arctic cold gripped the earth - to introduce viewers to the MYSTERY OF THE NEANDERT...
Production code: 23596
Neptune, a gas giant planet, is composed of rock, ice, and hydrogen. Traces of methane give Neptune its intense blue color. Neptune has agitated atmospheric activity with strong winds and giant storms...
The brain is a complex organ that is not yet well understood. It is the seat of consciousness, intellectual activity, and emotion. It also plays a centralizing and coordinating role in the entire body...
Neurons are the basic cells in the nervous system. A neuron is composed of a cell body and long fibers that provide neural communication throughout the body. The human nervous system contains hundreds...
Graceful, long-necked herons choose an unlikely locale for their breeding colonies, an island amidst the smokestacks and garbage dumps of New York Harbor. National Geographic returns to visit the harb...
Production code: 90A36
The next wave of scientists plays hide and seek with one of the world's smallest primates!...
Production code: 65054F
Deep in the Bantimurung reserve, on the southern end of Sulawesi, anthropologist Myron Shekelle believes that he's about to discover a whole new species. The trees around here are probably full of the...
Dr Thomas Pilcher investigates how nature is cleaning up Ambitle Island by rendering poison safe...
Production code: 65054A
Mentawais, an isolated and remote string of islands is about a couple of hundred kilometers, or one hundred and twenty miles, off Sumatra. The reefs around the Mentawais produce some of the truly grea...
Production code: 65054G
Between 1930 and 1934, Beebe undertook a series of ever more daring dives, pushing the envelope of what was technologically possible. In a remarkable oversized steel ball designed by Otis Barton, a yo...
Production code: 65498C
When the Panama Canal project's initial leader went mad (after his entire family died of yellow fever), Gorgas took control of the project. To ensure its completion and US control, Theodore Roosevelt ...
Production code: 65498B
Explorer-in-Residence Dr. Paul Sereno searches for dinosaur fossils in the Sahara. Brady Barr joins him when a Sarcosuchus imperator, or "SuperCroc," jaw is found....
Bob Holston leads scuba dives at twilight, which reveal different animal activity than daytime dives....
This film looks at the amazing lives of predatory bats of the Central American rainforest. Deftly flying on silent wings through the dense forest, they stalk and capture prey. We explore these night c...
Production code: 23197
The Nile crocodile is one of the planet's most successful predators. Millions of years ago, crocodiles dined on dinosaurs. Today, they hunt smaller prey. For migrating animals on the African savanna, ...
Year produced: 2009
North America is a large continent bordered by three separate oceans. It is also divided into three main geographic groupings, including mountains on the east and west coasts, with immense plains in b...
The Inuit and other indigenous people have adapted to live in the Arctic despite the cold, harsh conditions. Explorers have been fascinated by the area since the 15th Century when Sir Francis Drake an...
Every year, millions of birds fly to the Klamath Basin National Wildlife Refuges Complex. These waterfowl are attracted to the wetlands, which make a great home for the winter. This resting spot also ...
The nuclear industry produces radioactive waste, which is extremely toxic, and has questionable storage methods. The nuclear industry also pollutes through accidents at power stations. In addition to ...
The water in the ocean circulates constantly around Earth. These water movements are called sea currents....
Oceania, located in the Southern Hemisphere, is formed of a multitude of islands. The largest of these islands, Australia, is the real continent of Oceania. Though most of this immense territory is do...
Ocelots are stealthy felines. They are solitary and secretive animals. Similar in appearance to its larger cousin the jaguar, the ocelot lives in the same range, from the United States to South Americ...
Octopuses are amazing creatures. They have no bones, and therefore can go almost anywhere they want. Even a very large octopus weighing 600 pounds can squeeze into a passageway no larger than a quarte...
Chasing snakes, especially the powerfully venomous snakes of Western Australia, is dangerous work. But that�s how Brian Bush makes his living. He takes the chances because he loves the snakes. Ba...
Production code: 63200-03
Nestled within the dense and steamy rainforest of the Congo is a place forgotten in time. Odzala National Park is one of the most isolated areas of Africa. Below the canopy, a scattering of clearings ...
Production code: 30596
Each evening as night falls in the rural villages of Nicaragua, the lords of the night set out looking for blood. They're VAMPIRE BATS and lately they've been a menace, spreading deadly diseases among...
Production code: 20091
Land from national parks in South Africa, Mozambique, and Zimbabwe has been combined to create Great Limpopo Transfrontier Park. In Mozambique, land mines first had to be renewed....
Today, in the U.S. alone, tornadoes kill up to 70 people a year and injure as many as 1,500, causing 400 million dollars in damage. More than ever before, scientists are determined to unlock the secre...
Production code: 20322
Go undercover with Arizona Fish and Wildlife agents as they attempt to catch snake poachers and introduce Gerry Martin to the American rattlesnake, a snake he's never encountered before....
Production code: 20153
Gigantic balls of burning gas, stars give off light throughout their lives. Learn how stars are born and develop from protostars. Our sun is a medium-sized star....
Quick and agile, river otters have very few predators. Few animals dare to attack or prey upon them. River otters are endearing and captivating creatures. Fun and games seem to define their world. How...
Production code: 34797
Geologists use fossils as clues when they investigate the history of Earth. Fossils are the remains, trapped in rock, of plants and animals that lived in the early ages of Earth. They may allow scient...
Cats now outnumber pooches in American households, making them the country's number one pet. So why is it that we know so little about what's lurking in the minds of our feline friends? A growing numb...
Production code: 20088
Production code: 21598
MOTALA: AN ELEPHANT'S STORY visits a remarkable elephant hospital in Thailand and meets a three-ton patient named Motala. Her front left foot was shattered by a landmine while working at a logging cam...
Production code: 20074
Two National Geographic Society CRE grantees, Cheryl Knott and Tim Layman, spend months in the jungles of Borneo, studying orangutans and the wildlife of the canopies....
Production code: 94798
Most people have difficulty jumping out of an airplane, let alone jumping out with four cameras strapped to various parts of your body. But for Tom Sanders, aerial cinematographer extraordinaire, it's...
Production code: 21798
Its sting is 100,000 times more potent than cyanide and it inhabits every landmass except Antarctica. Hundreds of Mexican children die each year from fatal encounters with scorpions and the number of ...
Production code: 20042
50,000 crows descend upon Auburn, New York for their 5-month hiatus; an arrival that divides the human community in two. While some are out to rid the city of these birds, others have dedicated web pa...
Production code: 20198
Southern Namibia was once a diverse ecosystem. Devastated by poaching and human development, the region is slowly gathering new breaths of life. Veterinarian Dr. Ulf Tubbesing and French conservationi...
Production code: 20071
In a big country of bizarre reptiles, in a state nearly four times the size of Texas, there are tiny snakes with deadly fangs. For life-saving research, Brady Barr and Brian Bush go to hell and back f...
EXPLORER investigates the latest bleeding-edge technologies that are pushing the limits on the war on terror. New bomb-sniffing buses that can stop suicide bombers in their tracks, buildings that can ...
Production code: 20334
Since time immemorial, owls have held our imaginations. In children's stories they are often portrayed as wise old birds. But in folklore, their reputation is far more sinister. We have linked these g...
Production code: 30051
Barro Colorado Island is a cauldron of life. It is a tropical forest where nature is at its most extravagant. Sustained by the partnership of animal and plant, it has produced more than half the speci...
Production code: 33392
Discusses the endangered status of the giant panda and efforts to get captive pandas to breed and reproduce. Focuses on Yang Yang and Lun Lun, male and female pandas at Zoo Atlanta, who were raised to...
Army ants steal paper wasp larvae. Paper wasps protect their nests from water and heat....
It can only be described as catastrophic. 100,000 animals, including endangered jaguars, hundreds of species of birds, monkeys, reptiles and insects will die when Brazil's mammoth Porto Primavera dam ...
Production code: 24098
In the Mbaracayu Biosphere Reserve, a shaman named Gervasio leads a group of people to a medicinal root called suruvi or Jatropha isabelli. Scientists are recording his knowledge of local medicinal pl...
Black wasps plant eggs in aphids, killing them as larvae eat the aphids from the inside....
Golden conure parrots are thriving in captivity, but there are only about 2,000 of them in their native Brazil. This is an irony faced by many conservationists. In many cases there are more endangered...
"December 7th, 1941, a date which will live in infamy" President Roosevelt, addressing U.S. Congress the following day. By that evening the United States had entered the Second World...
Length: 90:00mins
Production code: 10040
Once threatened, pelicans are making a comeback in the mid-Atlantic region and moving further north due to global warning. Ecologists capture and band pelican chicks so they can monitor the pelican co...
Shovel-snouted lizard regulates its body temperature in the hot Namib Desert by lifting its feet off the hot sand. Peringuey's adder moves by sidewinding over desert. The adder camouflages itself by b...
From the producers of the classic NIGHT STALKERS, comes the incredible PHANTOMS OF THE NIGHT, a revealing look at bat behavior through high-tech tools and the eyes of the scientists using them. Throug...
Production code: 30027
For the first time since the mummy was discovered, King Tutankhamen is removed from his tomb in order to undergo a CT scan, in the hope that it will reveal what happened in his final hours. Stunning n...
Production code: 10105
Phosphorus and nitrogen are essential components of living matter. They are present in abundance on earth but they must be transformed--to forms such as phosphates and nitrates--before living beings c...
Physical and topographical maps show the surface of the planet as faithfully as possible. They also indicate relief features such as mountain ranges....
Various images of pileated woodpeckers set to music....
Alaska's wilderness includes both coastal terrain and Kodiak Island with its ragged mountain peaks and crystalline, rushing rivers and streams. The brown bear finds prey here in the grassy, verdant in...
Production code: 65529-04
The beautiful, lush Ngorongoro Crater in Tanzania is home to the highest density of large carnivores in Africa. A pride's young lioness - their best hunter - is missing. Days later, she is found dying...
Production code: 65529-03
A plant formation is a community of plant species, some of which are predominate, thus determining a typical landscape. Our planet has eight main plant formations: the boreal forest, the temperate for...
Plants grow in two ways: taller and thicker. Conifers, trees, and some flowering plants are some of the plants that grow thicker. Watch how a tree grows thicker, developing growth rings. Plants get ta...
Plants grow almost everywhere on the planet, from hot deserts to freezing tundras. About a quarter million species thrive somewhere on the globe, with possibly 30,000 species undiscovered. All life on...
This short examines the home-building behavior of the plumed worm, which builds a tube on the ocean floor. The worm continues to bolster the tube by adding shells and sea lettuce which buffers current...
Po River, Italy's breadbasket, provides much food and some hardships, including floods. Local residents, including farmers, try to combat these problems. Environmentalists study the river, looking at ...
Nature's poisons possess awesome powers. National Geographic's POISON! re-lives the spine-chilling experiences of people who have survived near-death encounters with some of nature's deadliest toxins ...
Production code: 30045
A polar bear hunts and captures a ringed seal, as it surfaces from ocean. After bringing the seal above the ice, the polar bear proceeds to eat it. An arctic fox appears and watches the polar bear eat...
The climate in polar regions is predominantly cold. Although there are many hours of sunlight in the summer, the sun's rays are too oblique to heat the atmosphere around the poles. In summer, the tund...
Polar orbiting satellites orbit the planet from pole to pole, surveying almost all of Earth's surface. They fly at a relatively low altitude and therefore produce highly accurate images. With observat...
The fragile environmental balance of our planet is threatened by many human activities. Human beings, through their agricultural, domestic, and industrial activities, pollute the air, soil, and water....
Polluting products, released into the environment by human beings, contaminate food chains. First, the pollution enters the water. Polluted seas and watercourses affect marine life. Contaminated water...
Water is an essential component of Earth's atmosphere. It is constantly moving and being transformed, carrying considerable quantities of energy around the planet. It is also the source of spectacular...
Precipation is when the water in clouds falls to Earth. It can occur in solid forms, as snow or hail, but usually water falls to the ground as rain. Watch how rain and snow form and fall in clouds....
For years, we've assumed our struggles with wild animals were mostly behind us. We believed that we are better off without wolves, mountain lions, and grizzly bears. But now, some scientists are begin...
Production code: 10058-2
A story on puffer fish. Tom Caradonna goes to Tsukiji seafood market in Tokyo, Japan to try the deadly puffer fish, or fugu. Various shots include the seafood market, Chef Hayashi preparing the puffer...
Watch as some of the world's toughest men and women ascend K-2 by exploring new routes, refusing the assistance of oxygen and even choosing to face K-2 alone....
Production code: 65037C
Standing at over 26,000 feet high, K-2 has challenged climbers from all over the world. On numerous summit attempts of the mountain men and women have forced their bodies to limits not fully understoo...
Production code: 65037B
The path that leads to the summit is just as rewarding as reaching the top for K-2 climbers. Join the American team of 1975 as they painfully endure their constant challenges while attempting to be th...
Production code: 65037D
Climbers from all over the world take on the challenge of K-2, the second highest mountain in the world after Everest. Explore K-2 with the famous team from Italy who were the first to scale the mount...
Production code: 65037A
Follow the first Americans to ever summit K-2. Then follow Allison Hargreaves, who attempts to climb the three highest peaks in the world in one season; but what final cost does she pay for her dream?...
Production code: 65037E
There are fish- and then there are fish. Lurking in the murky depths of the world's great waterways are bizarre giants - specimens of such enormous proportion and odd appearance that they boggle the m...
Production code: 63255
Celestial bodies emit different types of radiation, only some of which can be detected by traditional telescopes. Radio waves are invisible waves that can only be detected by radio telescopes. Learn h...
In his quest for new and exotic animals, Dr. Bruce Means returns to Australia to find its most fascinating snakes, some new to science and others whose tales weave their way back to Aboriginal mytholo...
Production code: 30029
A spectacular band of color in the sky, rainbows are not meteorological but optical phenomena. Rainbows appear when sun lights up water drops, in particular a curtain of rain drops. Watch how the colo...
A story on rarely seen sharks and fish at the bottom of the Pacific off the Marshall Islands, including sixgill sharks, chimaeras, and Pacific sleeper sharks....
Whether we know it or not, the Norway rat, aka the brown rat, is one of our most constant companions, supremely adapted to city life. Rats have the most amazing ability to memorise, communicate, jump ...
Production code: 65535
A story on pumas of the Andes Mountains in Chile. Shots and sequences include Torres del Paine National Park, other wildlife, pumas hunting guanacos, narration on pumas hunting sheep, ranchers protect...
Most trash can be recycled, using processes specific to each material. Observe how metal can be recycled. Recycling leads to considerable energy savings....
In Florida, a company is helping coral reefs by marketing artificial reefs to cities trying to improve their shorelines. Diverse ecosystems, coral reefs face destruction by people in the form of over-...
Since the 19th century, aerial photography has enabled us to observe Earth from a distance. It is the oldest remote sensing method. Today, remote observation of Earth is done mainly by satellites in s...
There is trouble in the Etosha National Park, Namibia. To fight it, a lion gang bands together for life, finding in brotherhood the strength necessary to survive the harshness of this formidable land....
Production code: 30035
Like all sexual animals, human beings reproduce through sexual cells: spermatozoa and ova. When an ovum is fertilized by a spermatozoid, an embryo is formed. The embryo develops for nine months in the...
The most highly evolved plants, flowering plants have flowers for reproduction purposes. Flowers carry the plant's reproductive organs. Watch the reproduction process of a flowering plant, including p...
With a sense of smell that is over one hundred times greater than that of humans, canines are increasingly sought out to assist in search and rescue missions throughout the world. Always on call, huma...
Production code: 20996
The human body must be constantly supplied with oxygen in order to function. The respiratory system draws this oxygen from the external environment, supplying it to the rest of the body. The system in...
Like all living organisms, the human body consumes energy in order to survive and develop. Two important systems provide it with the elements it needs to function, the respiratory system and the diges...
Endangered North Atlantic right whales migrate to the Bay of Fundy, where many were killed by freight ships until the Canadian government changed ship routes....
Residents of Rio de Janiero take an interest in beach planning to preserve their coastline....
Wildlife biologists must scale rugged cliffs, bridges, and city buildings in a daredevil attempt to save the DDT-weakened peregrine falcon....
Production code: 90A50
A story on Rock Creek Park in Washington, D.C. Shots and sequences include wildlife, recreational activities, and preserving the environment....
Earth's crust is made up of a wide variety of rocks. Rocks may appear to never change, but they are constantly evolving. They are always being transformed as part of a geological cycle that lasts mill...
Gothic, Colorado is a busy former ghost town, hosting an annual summer camp for scientists and students in the Rocky Mountain Biological Laboratory. Scientists study the mysteries of the isolated and ...
In the Rocky Mountain Biological Laboratory, scientist John Harte studies wildflowers in an isolated and delicate alpine environment. The scientist runs an experiment that artificially heats wildflowe...
Sheer terror and complete exhilaration go hand in hand in the topsy-turvy world of roller coaster riding. A new kind of contraption, the Pipeline Coaster, is the culmination of years of roller coaster...
Production code: 90A23
In Missoula, Montana, fire fighters learn to fight fires better by becoming smokejumpers. A group of rookies trains to become members of an elite strike force in time for a busy fire season. Hard trai...
Ruppell's griffon vulture scavenge for food in the Serengeti....
It was one of the greatest natural disasters in American history. The San Francisco earthquake of 1906 struck early on the morning of April 18th. In just seconds, buildings crumbled and splintered, th...
Production code: 10110
An increasing number of cranes call Sulfur Springs Valley home for the winter. Sandhill cranes migrate for many miles to get there. This migration is a relatively new phenomenon in Arizona. One of the...
Sap is a nutrient-rich liquid that circulates within a network of vessels that run throughout a plant. There are two types of sap: raw sap and elaborated sap. Watch how sap supports photosynthesis in ...
The second largest planet in the solar system, Saturn has gigantic rings, composed of ice and rocks orbiting the planet. Saturn has many natural satellites, including Titan. Saturn is a gas giant; its...
Who considers Everest a warm-up exercise? No-one but Heidi Hawkins. In 1998, K2 denied this world-class climber the title "the first American woman to summit". This year she is back ...
Production code: 21498
Evil: We know it when we see it - or do we? What is evil? Is it a spiritual force that mortals can confront, but only God can understand? A political reality, as ever-present as war, poverty and hunge...
Production code: 20383
Leading researchers in psychology, biology and anthropology reveal this powerful male hormone's fascinating influence on strength, status, success, and even commitment....
Production code: 20386
Gangs of freeloading sea lions are making enemies along the coast of Washington State and are inciting lively, sometimes acrimonious debate over what to do when wild animals interfere with public reso...
Production code: 90A39
For several years, something mysterious has been plaguing sea otter populations off the coast of California. Many have begun experiencing seizures, shaking, weakness, and also showing signs of losing ...
This short program examines the sea salp, gelatinous invertebrates which form colonies in the shape of long chains. The chains can reach lengths of 15 feet. While the salp resembles a jellyfish, with ...
This short program explores the reproductive behavior of sea urchins. The female sea urchin releases eggs and the male releases sperm, leaving it up to chance if the eggs and sperm meet in open ocean....
In the summer of 2000, biologist Jenny Daltry was one of the first scientists to venture into the remote mountains of Cambodia, so long closed to the world by the Khmer Rouge guerrillas. There she mad...
Production code: 20181
In 2001, Seattle, Washington had an earthquake that luckily resulted in little major destruction. Scientists know that Seattle sits on an active fault line atop loose sediment, the type of ground that...
Join marine biologist Nancy Black on a journey into the world of one of the ocean's top predators. Her aim is to capture the essence of killer whales and the extraordinary tactics they use to hunt the...
Production code: 10029
Everyone knows about the brutal surprise attack on Pearl Harbor that left more than 2,400 Americans dead. But what has been hidden from history is that an hour before this massive onslaught, an Americ...
Production code: 91A63
The world's great fighting forces are equipped with the latest in defense technology, but soon they may get a boost from Mother Nature. The United States military is looking to the natural world for i...
Production code: 30100
Earth is shaken by more than one million earthquakes every year. The great majority of earthquakes are not felt. But when high-intensity tremors affect a densely-populated area, they cause serious dam...
Trash is collected selectively and taken to a sorting center. Observe what happens to trash at the sorting center. Once sorted, the materials are packed and sent to specialized recycling plants....
Aerial view of ships, boats, and yachts of various sizes, set to Chorus from "The Magic Flute" by Mozart....
For years, Dr. Brady Barr has traveled the globe to help reptiles of all kinds. Now, he has a mission like no other. Barr is on an epic search, for a species on the verge of extinction. Barr journeys ...
Sight is our most highly developed sense. With it, we are able to perceive shapes, movements, distances, and colors. The eye is the main organ of sight, sending information to our visual cortex, allow...
The British Coastlines are threatened by erosion by the North Sea. British people are debating what they can do to hold back the rising tide in their ever-shrinking island. Tilting geology and rising ...
Six Degrees is an extraordinary journey into our planet's future to explore the potential impacts of global warming degree-by-degree - through six degrees over the next hundred years. Filmed on 5 cont...
Production code: 10151
Various shots of skuas set to music....
A story about three-toed sloths....
Human beings can distinguish more than 10,000 different smells. The organs of smell are hidden inside the nose. Millions of olfactory nerve cells carry neural messages from smells to the cerebrum. The...
A story on Smith Island in the Chesapeake Bay. Various sequences include discussions on the land's erosion, efforts to save the island and to encourage locals to stay, and environmental scientist Cour...
Leucochloridium paradoxum parasitic worm larvae develop in amber snails. Birds eat the snails and eliminate the worm eggs, which are then eaten by snails....
Guam is under siege! Not by rebels or members of a hostile army, but by a ten-foot-long serpent - the Brown Tree Snake. Since its arrival, probably from New Guinea aboard a U.S. cargo ship, the voraci...
Production code: 20696
Pound for pound the honey badger is one of Africa's fiercest carnivores. Birds, bees, scorpions and snakes make up its usual prey but attacks on antelopes and buffalo are not off limits for this fearl...
Production code: 30085
A snake-loving sheik asks for help in diagnosing what ails the snakes at a snake farm outside the city of Muscat. Gerry Martin, an Indian herpetologist, travels to the snake park and to the desert out...
Production code: 20140
From an ancient land, comes a modern mystery. At a park in Oman, snakes moved in from all over the world, but just as quickly, they began to die. What's a fledgling snake park to do, when it loses all...
Join the crusade of Snehal Bhatt, India's "snake savior," as she devotes her life to rescuing snakes and people from each other. Aided by a group of dedicated volunteers, she runs th...
Production code: 63200-04
Far from being a sterile environment, the Earth's soil is crawling with life. The soil can be considered a true ecosystem because of the many exchanges that take place between living beings in the soi...
Ever year millions of tons of waste are released into nature and only some of it is biodegradable. Most non-biodegradable soil pollutants come from industry. Agriculture also causes soil pollution, in...
On March 13, 1989 a blackout instantly knocked out power for 9 million people in Montreal, Quebec. Auroral lights were observed as well as reports of strange incidents where bedroom lamps still glowed...
Production code: 65045
A stove powered by the sun is making a big difference in impoverished communities. Solar stoves are a great energy saver, providing an alternative to traditional fuels. Solar Cookers International, a ...
California, a leading state in solar power, has found many ways to harness the Sun, the most powerful source of energy on the planet. Cities, such as Sacramento, are working to make solar power compet...
From Colombia to Patagonia, South America has a variety of relief features and climates. Along the Andes Mountains, there is a cold, dry climate, even arid. By contrast, the rain forest lowlands are v...
Developments in aeronautic technology have enabled us to send many spacecraft off to encounters with celestial bodies. In the 1960s, lunar probes and the astronauts of the Apollo missions visited the ...
Are there aliens in our backyard? Some reputable scientists think there might be. Not the green, bug-eyed critters from countless UFO believers' imaginations. But life nonetheless. National Geographic...
Education Subject areas: Physical Science, Space science
Production code: 14018-04
Space probes have visited the Moon, asteroids, comets, and every planet in the solar system except Pluto. There are three types of space probes: interplanetary, orbiters, and landers. The next generat...
The story of America's moon quest is a successful tale of vision, courage, and technological innovation. It is also one of politics. When president John F. Kennedy made his first speech about landing ...
Education Subject areas: Space science
For two decades, the space shuttle has been the flagship of America's space program. Aboard these spacecrafts, crew members test new technology, conduct research, and launch and repair orbiting satell...
Speech is the faculty of producing articulated sounds. When they are linked together, these sounds form language. Speech calls on several parts of the body, including the brain, lungs, trachea, larynx...
Too young to dive, a baby sperm whale remains near the surface while its mother hunts for food....
A story about woman from Mufakose, Zimbabwe seeking traditional medicine for her asthma and bad luck. Traditional healer speaks to her ancestors, and uses chickens to release her from evil spirits and...
In this film, we'll witness the birth of a young chulengo, the mating classes, playful sparring, aggressive (and at times extremely violent) expulsion of yearlings from the family group. We will also ...
Production code: 33397
Shows two male guanacos dueling over mating territory in the Andes Mountains. The males engage in aggressive behavior such as shrieking and spitting and then they fight with each other. The winner mus...
India has close to a billion people - a huge population that spills out of cities, towns and villages. There is always a clamoring need for more land to build houses on or to grow food, and forests sh...
Production code: 33497
Stars are born within immense clouds of gas and dust. Star clusters are groups of stars born in the same period. There are two main types of star clusters: dense, old globular clusters and small, youn...
A story on stingrays that live off the Cayman Islands, including their size, eating habits, venomous spine, camouflage, and a place called "Stingray City" in Grand Cayman where peopl...
A story about the strange sea creatures of the deep in Suruga Bay off coast of Mt. Fuji. Creatures include angler fish, eels, giant spider crabs, abyssal cusk eels, lantern sharks, and female chimaera...
A story about a mother strawberry poison dart frog in Costa Rica, and how she takes care of her tadpoles by carrying them to different water puddles in the forest, and feeding them by laying non-ferti...
Subjected to a lack of water, very high temptures, or drying winds, plants in dry environments display various adaptations to their surroundings. Succulent plants, such as cactuses, have water reserve...
A story about sugar glider behavior....
Discusses the summer heat in 2004, when high temperature records were set across the United States. Scientists believe that the high temperatures may be caused by global warming, as the four warmest y...
The Sun, star at center of the Solar System around which Earth and other planets revolve and from which they receive heat, energy, and light. Explanation of sun structure and chemical composition. Ani...
In the parched sands of the Sahara, National Geographic Explorer-in-Residence Dr. Paul Sereno uncovers the fossilized bones of a giant croc, possibly the largest of its kind ever to have lived. But, b...
Length: 60:00mins
Production code: 82009
As the world's insatiable need for oil and gas grows, companies are going deeper, in more hostile environments than ever before. It's a never-ending race that's pushing technology to breaking point. I...
Production code: 20329
Since Sputnik, thousands of spacecraft have been placed in orbit around Earth. Many of these spacecraft are research or telecommunication satellites and space telescopes, such as the Hubble Space Tele...
In the climbing world, there are no terms of endearment for K2, only begrudging whispers born of respect and fear: 'Mountains', 'Savage Mountain', and always, 'Killer Mountain'. K2's weather, remotene...
Production code: 20093
Over the years, National Geographic EXPLORER host Boyd Matson has gone to extremes while competing in some of the world's most grueling endurance races. This time Boyd joins a team to compete in the S...
Production code: 23798
Only one in a thousand storms creates a supercell, and only one in six supercells spawns a tornado. But on April 3, 1974, 148 tornadoes drop down on 13 states. The day is a rare combination of weather...
Production code: 63226-04
Tundra swans make a magnificent journey each year, flying from the middle Atlantic states to the Arctic tundra of Canada and Alaska. Until recently, little was known about the migratory behavior of th...
Production code: 91A04
How far would you go to reshape your body? People around the world go to extremes to match their culture's ideal of beauty....
Production code: 63213D
In India's Tihar prison, some parents raise their kids behind bars, while in Sumatra, children experience an unusual degree of freedom....
Production code: 63213C
From bee sting therapy in Taiwan to placing live maggots into wounds in the US, 'folk' therapies may seem mysterious - but can also be effective....
Production code: 63213G
When people become ill, many rely on modern Western medicine and take comfort from its high-tech tools and wonder drugs. But what if the cure wasn't a machine or a pill, but a living creature? Journey...
In the Egyptian Museum lie the remains of an unidentified mummy. He's ancient Egypt's mystery man. It's a 3000 year old mummy that was found in a secret cache with some of Egypt's most famous pharaohs...
Production code: 63224-01
Deadly and armed with fierce gripping weaponry, the raptors of today - vulture, eagle, falcon, hawk - are majestic, wild, beautiful and mysterious creatures. They appear in our myths, legends and art ...
Production code: 34398
They are the largest spiders on earth and most of us live in fear of them, a primordial terror that is paralyzing for some. But what is it about them that terrify us so much? Should we really be so sc...
Production code: 30038
The tongue is the main organ of taste. It is covered in papillae which hold taste receptors. These receptors send taste messages to the brain, which generates the conscious perception of taste. Taste ...
Earth's crust does not form a single unbroken covering around the planet. Instead, it is divided into a dozen immense plates, called lithospheric plates....
The ground on which we live shifts several centimeters every year. As they drift on the surface of the globe, the huge plates that form Earth's crust bump into each other, building mountains and openi...
The telescope revolutionized the study of the sky. This tool enabled scholars to discover celestial bodies that are invisible to the naked eye. Examine and compare two popular types of telescopes: ref...
Temperate climates exist in the mid-latitudes regions and are characterized by moderation. Nevertheless, climatic conditions in temperate regions swing widely because of seasonal variations in hours o...
Earth is almost perfectly spherical in shape. It can be separated into two sets of hemispheres, the Northern and Southern, and the Eastern and Western. The Equator and the Prime Meridian are the main ...
Terebellid worms unfurl and eat....
London's Victorian-era sewer system, still in use today, leaks sewage into the Thames River. A system of vessels pumps oxygen into the river to keep fish alive....
Flowering plants are the most numerous in the plant world; there are about 234,000 species. In spite of this incredible diversity, the anatomy of flowering plants is similar from one plant to another....
For most of us, ANTS FROM HELL are those annoying little red creatures that irritate us during picnics by stinging our feet and legs while they try to carry off some morsel of our lunch. To Walter Tsc...
Production code: 92A80
The solid, efficient architecture of the human body enables us to move and control our limbs very precisely. Every bone and muscle tissue plays an essential role in supporting and protecting the body....
Asteroids are objects made of rock and metal that orbit the sun but are too small to be considered planets. Most asteroids revolve around the sun in an orbit between Mars and Jupiter, forming the wide...
The atmosphere is the gaseous envelope that surrounds Earth. Although the atmosphere is a very thin layer, it plays an essential role in protecting the planet from solar rays and retaining some of the...
The Universe originated a little less than 15 million years ago, when a powerful, primordial explosion occurred: the Big Bang. Observe how the Big Bang gave birth to billions of galaxies, including ou...
Blood circulates through the human body via a vast network of blood vessels. Arteries and veins play different roles in the cardiovascular system. They, along with capillaries, form a gigantic system ...
This film takes us on a journey to a world, which thrives all around us, upon us and within us: the world of the parasite. Although this unique cast of creatures makes up half of all life forms, they ...
Production code: 33498
The human body is formed of hundreds of billions of basic microscopic components called cells. There are more than two-hundred different types of human cells that group together to form the different ...
Carbon and oxygen are two elements that are essential to life. They are naturally present in the atmosphere in the form of carbon dioxide and gaseous oxygen. Due to their constant circulation between ...
The nervous system is the main communication network in the body. It is guided by the central nervous system, composed of the brain and the spinal cord. The spinal cord provides the link between the b...
The brain, housed in the skull, is the core of the nervous system. It is composed of the cerebrum, the cerebellum, and the brain stem. The human cerebrum is an incredible complex organ. It is responsi...
To get their bearing in the sky, astronomers and navigators in antiquity divided visible stars into small groups called constellations. They gave these groups the names of mythological figures and ani...
A third of Earth's surface is taken up by vast expanses of land, the continents. Today, we divide the world into seven continents....
In THE CROCODILES OF ORINOCO, National Geographic field correspondent, Jesús Rivas and his biologist wife, Renee Owens travel to the Venezuelan llanos on an unusual mission - to search for giant rept...
Production code: 20121
Progression of Lyme disease from bacterial infection in mice to ticks, deer, and humans....
The digestive system is composed of ten organs. These organs process the food we eat, retain the nutritive elements, and reject the waste. This process takes a relatively long time, lasting 12 to 24 h...
On the island of Fernandina filmmakers will follow the struggle for survival of the dragons of the Galápagos archipelago and the annual migration of these iguanas as they climb the steep slopes of th...
Production code: 12194
Visible light is just one small part of the radiation emitted by celestial bodies. The electromagnetic spectrum is made up of a full range of radiation emitted by celestial bodies. These rays, also ca...
The endocrine system is composed of ten glands in different parts of the body. These glands produce hormones, which are chemical messengers that trigger physiological processes in cells. The productio...
Water, carbon, oxygen, and all the elements essential to life circulate through the different parts of the biosphere. Their cycles are tightly intertwined, enabling matter and energy to be transmitted...
On a large scale, Earth changes through tectonic movements, which cause mountains to rise. But the metamorphoses of landscapes also takes place on a more local scale, due to erosion....
The female genital apparatus has external components: the breasts and the vulva. But the women's other genital organs are concealed within her abdomen. Learn about these female genital organs--the Fal...
To know about the world around us, we have five complimentary perception systems, the senses. Physical stimuli are detected by incredibly sensitive specialized organs, giving us sight, hearing, smell,...
The history of Earth began about 4.6 billion years ago, with a gigantic cloud of gas and dust. With the help of gravity and heat, the sun and planets were formed. Beginning as a burning liquid rock, t...
A galaxy is a collection of several billion stars and interstellar matter isolated in space. Galaxies come in four main shapes: spiral, elliptical, lens, and irregular. It is estimated that the Univer...
Geologists use the geologic time scale to date the transformations the Earth has undergone since the first continents were formed. The scale is divided into eons and periods, separating the times when...
The green house effect is a natural phenomenon, caused by water vapor and greenhouse gases, through which Earth preserves its heat. The green house effect is essential to life on Earth but when it inc...
Our hands and feet perform very different functions. The hands are used to grasp, while the feet provide stability and enable the body to move. The hands and feet, however, do have a similar skeletal ...
The bony structure of the head is formed of a group of flat and irregular bones. The skull, which protects the brain, is made of eight flat bones fused together along sutures. However, most of the bon...
The heart, which sits in the chest between the two lungs, is a small hollow organ. It contracts at a regular rhythm, constantly pumping blood through the body. The heart's cavities form two separate s...
About four and a half billion years ago, Earth was born. Gradually, after its surface became solid, the atmosphere appeared, then water, and life. Rocks and fossils together reveal how this fascinatin...
Since 1990, the Hubble Space Telescope has been orbiting Earth, supplying data. This astronomical observatory in space is not subject to the distortions caused by Earth's atmosphere. Learn how the Hub...
The human body is made up of 60 trillion cells. These cells are the basic components of the body. Though all cells have the same general structure, they each may have very different forms depending on...
A team of archaeologists, forensic experts, and researchers examine the wreckage of a legendary warship, the Confederate submarine H.L. Hunley. Includes scenes of the submarine's recovery from the har...
The foods that we eat undergo major transformations in the stomach. But most of the digestion takes place in the small intestine, a folded tube attached to the large intestine. Learn about the form an...
The more than 200 bones that make up the human skeleton are connected to each other by joints. The vast majority of joints are mobile, allowing bones to move in relation to each other. Joints, therefo...
Lammergeiers fly with and drop large bones in order to eat their marrow....
Famed primatologist Dr. Jane Goodall recalls both the high and low points of thirty years spent observing and learning about wild chimpanzees. Jane Goodall takes us to Gombe, nearly as remote and inac...
Year produced: 1965
Production code: 89A78
The first three months of pregnancy are called "embryonic life" and start in the Fallopian tubes. Watch the stages of embryo growth and its transformation into a small fetus. For the...
The human digestive system includes several connective glands: the liver, the gallbladder, and the pancreas. Learn about the form and function of these glands. These glands aid more than just digestio...
In November 1902, German adventurer Captain von Beringe observed tall "man-like" apes in what is now Rwanda. It was the first recorded sighting of mountain gorillas. A hundred years ...
Production code: 63209
The lymphatic system is a vast network of vessels running through the body. It has a number of functions, including the elimination of water that congests tissues. The lymph nodes contain many of the ...
Like a gigantic magnet, Earth generates a magnetic field: the magnetosphere. The magnetosphere is not symmetrical, due to distortions from solar wind, a permanent flow of electrically charged particle...
Individuals of the male sex are recognizable by a number of sexual characteristics. The main characteristics of a man are the male genital organs. Learn about the external male apparatus, including th...
Our solar system is located in a galaxy with an evocative name: The Milky Way. From Earth, the Milky Way looks like a narrow strip of milky white. From outer space, it looks completely different--with...
The rocks that form in Earth's crust are composed of groupings of minerals. Minerals are natural solids, usually in the form of crystals. There are more than 3,500 kinds of minerals on the planet....
Bright and close to Earth, the Moon is the planet's only natural satellite. Explore the geology and geography of the Moon, a fossil celestial body that offers clues as to the infancy of the solar syst...
The nervous system orders the body's muscles to contract. We can deliberately order the skeletal muscles to contract, allowing us to perform movements. These voluntary movements are commanded by the m...
Air masses are gigantic atmospheric volumes with very specific temperature and humidity characteristics. Watch how warm and cold fronts form, as different air masses come into contact. Air masses help...
The human body has more than 600 different muscles. Most of these are called skeletal muscles, because they are attached to the skeleton. These muscles perform a variety of functions related to moveme...
As Olympic athletes prepare to race in Greece, National Geographic Ultimate Explorer turns its focus to speed - why we crave it and how we attain it. Exploring our obsession with speed, Ultimate Explo...
Length: 40:00mins
Production code: 20254
The central nervous system communicates with the body as a whole, through a vast network of nerves, called the peripheral nervous system. It can be thought of as a network of sensory and motor paths w...
The ocean floor has as wide a variety of relief features as do land masses. The plates that form the oceanic crust are always in motion, forming relief features such as oceanic ridges and trenches. A ...
Year pro