Animals & Insects

National Geographic photographer Joel Sartore is documenting the world's captive animal species. His new book is Vanishing: The World's Most Vulnerable Animals. Originally broadcast Feb. 27, 2017.

A look at the vast, bizarre world of insects, and why we can't live without them with Anne Sverdrup-Thygeson author of the new book 'Buzz, Sting, Bite.'

Paul Nicklen has spent decades documenting the Arctic and the Antarctic. He often finds himself in frigid waters, just a camera's length away from deadly predators. Originally broadcast June 6, 2017.

When Frans de Waal started studying nonhuman primates, in the Netherlands more than 40 years ago, he was told not to consider the emotions of the animals he was observing.

We think of whales as creatures of the sea, but scientists now believe that 40 million to 50 million years ago, whales had four legs and lived at least part of their lives on land.

Can we eat meat ethically? Journalist Camas Davis tells us how we can.

Feline behavior specialist Sarah Ellis explains how you can train your kitty to come on command, take medicine and stop waking you up in the middle of the night. Originally broadcast Sept. 12, 2016.

Conservation photographer Paul Nicklen has been documenting the wildlife in the arctic regions of the world for decades, often getting dangerously up close with the animals he encounters in the sea and on land.

National Geographic contributing photographer Joel Sartore is 11 years into a 25-year endeavor to document every captive animal species in the world using studio lighting and black-and-white backgrounds. So far, he's photographed 6,500 different species, which leaves approximately 6,000 to go.

Dogs can sniff out people, drugs, bombs, cancer and much more. In her book Being A Dog, Alexandra Horowitz explores the mysteries and mechanics of canine noses. Originally broadcast Oct. 4, 2016.