Secret Life of Predators

In the 19th century, as it became aware of the colonial designs of European power on central Asia, Tibet expelled westerners and closed its frontiers. As its isolation deepened, so did Tibet's allure and mystique. But in the early 1900s, Francis Younghusband, a British colonialist, managed to penetrate the hidden city of Lhasa and bring to an end the country's years of isolation.

This is a tale of hidden treasure and the scientific shaping of our past, told through the stories of the adventures and discoveries of great archaeologists.

Five times, Earth has faced apocalyptic events that swept nearly all life from the face of the planet. What did these prehistoric creatures look like? What catastrophes caused their disappearance? And how did our distant ancestors survive and give rise to the world we know today?

In a race against developers in the Rocky Mountains, paleontologists uncover a unique fossil site packed with astonishingly well-preserved bones of mammoths, mastodons, and other giant extinct beasts. The discovery opens a highly focused window on the vanished world of the Ice Age in North America.

Spend a year with a Red Panda named Tashi and experience her life in the forests underneath the Himalayas. Along the way, meet the other rare bird, insect and animal inhabitants of this remote lush area in Northern India, including the leopard. And if cute could get even cuter, meet Tashi's cub...

In an age of science, one tale of the supernatural continues to seduce us: the legend of the vampire. At last, scientists are digging vampires out of their tombs to take a good, long look at them. What they're finding is a surprising factual side to the ancient legend. Fact may be stranger than fiction!

Scientists investigate the possibility that alien life-forms influenced human evolution, citing the existence of strange monuments around the world to support their theory.

The Pit of Death is what some scientists are calling it, others "Dinosaur Pompeii". Envision dinosaur corpses stacked one on top of each other, piled four and five high. But not just any old dinosaurs, new, well-preserved skeletons - many that have never been seen before. A bizarre T. rex ancestor, a triceratops ancestor, an ancient crocodilian and nearly 40 different species dating back 160 million years, a time in dinosaur history of which little is known. The graves of these new species are uncovered deep in the dry and desolate Junggar Basin of western China and a team of palaeontologists unearth answers to this virtual black hole in dinosaur evolution. Watch as the bones are examined, reconstructed and brought back to life, using high resolution CGI, and slowly probe the mystery of who these dinosaurs were, how they died and what they can tell us about the Lost Age of the Dinosaurs.

National Geographic embarks on a 250-mile adventure through unspoiled territory along the coast of British Columbia called the Great Bear Rain Forest. It is here that bear-hunting wolves take to the sea, grizzlies clash in titanic battles, and wild salmon are the pulsing lifeblood of an entire ecosystem. As this precious habitat faces an uncertain future, threatened by chainsaws and fish farms, a team of dedicated scientists is racing to prove that it must be protected. Forming a wilderness detective squad, these experts are searching for the rare white spirit bear and collecting clues that will decipher the secret life of the forest's elusive inhabitants.

Husband and wife team Phil and Lynne Richardson live at a water hole with lions, elephants, and baboons in the African bush of northern Zimbabwe's Zambezi Valley. Video technologies like miniature infrared cameras and lenses for nighttime vision help them capture natural behavior without interfering with the wildlife

The Ark of the Covenant and Noah's Ark are two very different Bible stories with one burning question.

In the deep waters of Mexico's Gulf of California, large and ravenous predators are congregating and local fishermen fear them more than sharks.

PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

An epic journey from the geysers of Yellowstone to the rugged Pacific coast of the Olympic peninsula, from the hot desert of Saguaro to the icy Gates of the Arctic, from the subtropical sea of grass in the Everglades to the world-famous peaks of Yosemite and from the mystic Smoky Mountains to the biggest gorge on Earth: the Grand Canyon.