What Is the World's Longest-Living Vertebrate...

OK, that's a trick question. Aspirin goes everywhere in your body -- and wherever it goes, it works by preventing processes that amp up pain signals, encourage inflammation, cause fever, and more. Learn about the history and workings of aspirin (aka acetylsalicylic acid) in this ...  Show more

Alongside the Space Race, the mid-1900s saw another contest of engineering -- a race downward, into the Earth. Learn why the USSR created the Kola Superdeep Borehole (the deepest artificial or natural hole we know of), what we learned from it, and how this research continues in t ...  Show more

Could the legendary megalodon shark still be lurking in our oceans? PopSci's Purbita Saha dishes out the details. -- Follow us on Twitter: https://twitter.com/AskPopSciPod Hosted by Purbita Saha: https://twitter.com/hahabita Produced by Jess Boddy: https://twitter.com/JessicaBodd ...  Show more

Brian Cox and Robin Ince find out about the apex predators of the ocean. They are joined by physiological ecologist Lucy Hawkes, shark scientist Isla Hodgson and naturalist Steve Backshall. They learn about the surprising social behaviours of sharks, how they reproduce and exactl ...  Show more

In this episode, we’re asking sharks to say “aaaah”, and taking a close look at their chompers. We’ll see how shark teeth grow, and what those teeth can teach us about sharks of the past. We’ll also play a game of Jaws Jeopardy, and find out how sharks help keep the ocean helping ...  Show more

This is episode three of Swimming with Shadows: A Radiolab Week of Sharks.

Today, we take a trip across the world, from the south coast of Australia to … Wisconsin. Here, scientists are scouring shark blood to find one of nature’s hidden keys, a molecular superhero that ...