A Crystal Chalice
Male swiftlets use their own building material, gluey saliva, to make their nests. Constructed layer by layer along the cave walls, it can be weeks of painstaking work.
A City of Twelve Million
Leafcutter ants shift 40 tons of soil to make their subterranean home. This is one house for twelve million inhabitants, a city larger than London and New York.
Invasion of the Giant Pythons - Preview
Predatory pythons have thrived in the protected wilderness of Everglades National Park. 6-19-2013
Radioactive Wolf Pups
Scientists study wolf pups living outside the Exclusion Zone in an effort to assess the health of those populations born inside the radioactive area of Chernobyl.
Radioactive Wolves
What happens to nature after a nuclear accident? And how does wildlife deal with the world it inherits after human inhabitants have fled? Radioactive Wolves examines the state of wildlife populations in Chernobyl's exclusion zone, an area that, to this day, remains too radioactive for human habitation.
Bison Take on the Wolves
A family of bison ward off a pack of wolves as they begin to feed on a fallen calf.
Unintentional Green City
The ghost city of Pripyat was once a thriving metropolis. Today, it's a city that is green, in an unnerving and unintentional way.
A Place for Wild Horses
Przewalski's horses have been released in the zone since the 1990s, to help restore the land's original biodiversity.
A Murder of Crows - Preview
New research has shown that crows are among the most intelligent animals in the world. 10/16/2011
Dogs That Changed the World (Part 2) - Preview
Details the explosion of dog types into the roughly 400 breeds known today and outlines dogs' potential role in medical care for human beings. (Part 2 of 2) 10/9/2011
Dogs That Changed the World (Part 1) - Preview
Dogs' roles as guard, hunter, herder, hauler and spiritual protector, as well as current theories about the wolf's evolutionary leap. 10/5/2011
Speedy Saluki
For 6,000 years, the Bedouin have bred Saluki from only the quickest dogs with the best eyesight.
Hummingbirds: Magic in the Air - Preview
High-definition, high-speed footage of hummingbirds in the wild helps viewers to understand the world of hummingbirds as never before. 6/12/2013
Education | Life and Death of Pacific Northwest Salmon
A brief look into the life and death of wild salmon in the Pacific Northwest.
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