Overheard at National Geographic

The desolate Alaskan tundra - a landscape that has literally been frozen solid for thousands of years - is suddenly caving in on itself. Colonizing beavers are engineering new wetlands that thaw the soil, rapidly releasing greenhouse methane into the atm

Crawl into the Maya underworld, where science meets spirits, shamans, and snakes. A long-forgotten cave could shed light on one of history's most enduring questions: why did the ancient Maya collapse? For more information on this episode, visit https://w

What do tigers, sloths, elephants and bears have in common? They're all part of the incredibly lucrative captive wildlife tourism industry. Travelers from around the world clamor for opportunities to pose with these magnificent creatures and get that per

Half a mile below the surface of the earth, in a cave too hot to explore without an ice-packed suit, NASA scientist and Nat Geo explorer Penny Boston clambers around glassy crystals that are taller than telephone poles and wider than dinner tables. But i

How did an ancient Roman harbor end up in ruins? Scientists realized the culprit was a long-forgotten natural disaster that left tell-tale geological clues -- and possibly an eyewitness account in an ancient religious text. But solving this mystery led t

Exploring the ancient Maya Cave of the Jaguar God. The graffiti of Pompeii. Searching for alien life underground. New season of Overheard at National Geographic starting October 15th.

What is a honeybee chop shop, and why do they exist? Turns out the answer has everything to do with the food on our tables. We dig into the sticky business of beekeeping and commercial agriculture. For more information on this episode visit nationalgeogr

What if women had been among the first to head to the moon? A NASA physician thought that wasn't such a far fetched idea back in the 1960s. He developed the physical and psychological tests used to select NASA's first male astronauts, and ran those same

Murder, succession, and a 18-foot scroll of papyrus that reads like an ancient Egyptian episode of Law and Order. We get the lowdown on the Judicial Papyrus of Turin. For more information on this episode visit nationalgeographic.com/overheard

Mice on the sub-Antarctic Marion Island are out for blood, and they're feasting, zombie-style, on living, immature albatrosses. Turns out, these tiny mammals are a very big threat to these huge seabirds. One photographer says it was more intense than wat