Leather is part of many of our wardrobes, but producing it creates carbon pollution and drives deforestation. Thanks to science, sustainable lab-grown leather could soon be a reality. Entrepreneur Andras Forgacs explains how it works.

Every insect you see is a truly unique individual, according to zoology researcher Melinda Babits. She explains why and how she’s studying the personality traits of bugs — particularly, firebugs — to find out more.

Author and zoologist Lucy Cooke went to a remote Caribbean island to track down this most elusive of sloths. She shares a look at their adorable faces and their peculiar lives.

Fishing cats live deep in Asia’s mangrove forests, one of our earth’s most important ecosystems. Conservationist and entrepreneur Ashwin Naidu of the Fishing Cat Conservancy is working hard to protect them both.

Culture isn’t limited to humans; in animal life on earth, social learning goes on all around us, says ecologist and writer Carl Safina. He shows us how whales, chimpanzees and other creatures share and spread the wisdom of centuries.

Did you know that meerkats stay close to home, even as adults, so they can inherit territory when Mom dies? Or that North American red squirrel mothers gift real estate to their kids (complete with stockpiles of food)? Evolutionary biologist Barbara Natterson-Horowitz and writer Kathryn Bowers make the case for why parents — animals and humans — should remain involved in the lives of their full-grown offspring.

Which is the bigger threat to wildlife: Radioactivity or humans? Wildlife ecologist Jim Beasley has gone into the contaminated zones around Chernobyl and Fukushima to learn the answer, and his findings are both sobering and inspiring.