Undiscovered Sharks and the State of the Ocea...

Host Luke Tipple is joined this week by renowned Harvard professor, Dr. Avi Loeb, who recently led a deep-sea expedition to discover if evidence for advanced alien life crash-landed off the coast of Papua New Guinea in 2014. They discuss the recent Congressional UFO hearings, how ...  Show more

Luke Tipple speaks with Dr. Riley Elliott, a marine biologist from New Zealand who recently tagged baby great white sharks, which are rarely seen in the wild. They talk about how climate change is affecting shark pupping grounds, why fishers are wrong to think there are “too many ...  Show more

Shark Week returns July 20 on Discovery! This episode is the Shark Week audio companion Part 1! Dr. Samantha Yammine dives into the most surprising shark science of 2025, from sharks that make noise to the nano-scale ‘sharkitecture’ inside their skeletons. Sam also interviews For ...  Show more

Are sharks the super-predators we think they are? Or have we been baited with great white lies? To find out, we interviewed shark researchers Dr. Taylor Chapple, Dr. Tricia Meredith and Dr. Chris Pepin-Neff, along with surfer Mike Wells. Check out the full transcript here: http:/ ...  Show more

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

Jaws spawned a thousand imitators: sharks in tornados, sharks in avalanches, sharks that battle giant octopuses. Hollywood has officially turned sharks into monsters of every shape and size. ...

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 ...