Natural History

Image of 25 Surprising Facts About Sheep

POV

Did you know that wool played a role in the discovery of America, that sheep can recognize human faces and that sheep farm numbers have been declining for decades? How well do you know your sheep? Tweet or bleat your favorite facts to your friends. Continue

Inside Nature's Giants: "Camel" - Preview

Inside Nature's Giants

Brave the baking desert with Mark Evans and Joy Reidenberg as they dissect a camel. 6/27/2012 Continue

Venom: Nature's Killer

NOVA

Hunting down the most venomous animals to reveal their medical mysteries Continue

Richard Leakey's Life and Work in Kenya

Bones of Turkana

A chronicle of the remarkable life of Richard Leakey and the discoveries he, his family and noted colleagues unearth over four decades of exploring Kenya's Turkana Basin in search of clues to man's origins. Continue

Pure Bison Reintroduced to Montana

Independent Lens

After shooting wrapped on Facing the Storm: Story of the American Bison, filmmaker Doug Hawes-Davis captured the story of the historic transfer of wild, genetically-pure bison from Yellowstone National Park to the Fort Peck tribes of northeastern Montana. Here’s his 16-minute short film of this inspiring tale Continue

Name That Element!

NOVA

Think you know the periodic table? See how quickly you can name the mystery elements we describe. Continue

Japan's Killer Quake

NOVA

An eyewitness account and investigation of the epic earthquake, tsunami, and nuclear crisis Continue

Deadliest Volcanoes

NOVA

From Japan’s Mt. Fuji to Yellowstone’s buried supervolcano, how can we best prepare for the most lethal eruptions? Continue

What Darwin Never Knew

NOVA

One hundred and fifty years later, scientists decode nature's greatest mysteries—a two-hour special. Continue

Becoming Human Part 1

NOVA

First Steps: Six million years ago, what set our ancestors on the path from ape to human? Continue

Finding Life Beyond Earth

NOVA

Scientists are on the verge of answering one of the greatest questions in history: Are we alone? Continue

Inside Nature's Giants, "Giant Squid" - Preview

Inside Nature's Giants

Examine one of the biggest yet most mysterious animals on Earth — the giant squid. 6/20/2012 Continue

Full Program

Bones of Turkana

Follow famed paleoanthropologist Richard Leakey, his family and colleagues as they work in the arid northern regions of Kenya's Turkana Basin to unravel the mysteries of human evolution. While one of the Leakey team's goals is to demonstrate the complexity and truth of human evolution, they also seek to show how the qualities that we proudly call human were all born in Africa. Continue

Capturing the Last Vestiges of an Iconic American Symbol

Independent Lens

Montana filmmaker Doug Hawes-Davis lives in a place where at one time, bison outnumbered people by more than two to one. Now the embattled animal — a common symbol of the American West — is clinging to its last vestiges of wildness, as cattle ranching, hunting, and habitat loss threaten once again to bring it to the brink of extinction. Continue

National Parks, National Forests, or Wilderness

Nature

National park, national forest, U.S. wilderness area. Although these federally-managed, protected lands have a lot in common, there are important distinctions. Continue

Going Aquatic

Nature

All cetaceans, including whales, dolphins, and porpoises, are descendants of land-living mammals. But how did these terrestrial ancestors evolve over millions of years into the whales and dolphins we are so familiar with today? Continue

Drinking "Mastodon Juice"