Playback: The Frozen Zoo

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ...  Show more

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ...  Show more

The founder and president of PETA, Ingrid Newkirk, and bestselling author Gene Stone explore the wonders of animal life and offer tools for living more kindly toward them. In the last few decades, a wealth of new information has emerged about who animals are—intelligent, aware, a ...  Show more

Zoos in the modern world: Laurie Taylor talks to David Grazian, Associate Professor of Sociology at the University of Pennsylvania and author of 'American Zoo: A Sociological Safari'. Zoos blur the boundaries between culture and nature; animals and humans and separate civilisatio ...  Show more

As human civilization encroaches on wild animals' habitats, some face extinction. Learn how researchers hope to someday use frozen DNA sample taken from zoo animals to replenish wild populations in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheart ...  Show more

As the world struggles through an ongoing mass extinction, scientists across the planet are getting closer and closer to bringing entire species back from the dead -- a process known as de-extinction. Inspired by an earlier episode on the thylacine, Ben and Matt dive into the ...