Pigments color the world all around us, but where do those colors come from? Historically, they’ve come from crushed sea snails, beetles, and even ground-up mummies. But new pigments are still being discovered in unexpected places, and for researcher Mas Subramanian, a new color came, well, out of the blue. Overheard’s Amy Briggs ventured into the National G ... Show More
Jul 2023
Trapped in the icy waters of the Northwest Passage
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
34m 16s
Jul 2023
Playback: Modern Lives, Ancient Caves
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
28m 39s
Jun 2023
Playback: This Indigenous Practice Fights Fire with Fire
For decades, the U.S. government evangelized fire suppression, most famously through Smokey Bear’s wildfire prevention campaign. But as climate change continues to exacerbate wildfire seasons and a growing body of scientific research supports using fire to fight fire, Indigenous ... Show More
29m 8s
Oct 2023
Pomology (APPLES) with Susan K. Brown
Green, yellow, striped, red, shiny, russet. Tart, sweet, sour, crunchy. Big, small, wild, heirloom, cultivated. How will you like them apples? Very much, once you hear all about the fascinating backstory of how an apple got into your lunch with one of the world’s finest pomologis ... Show More
1h 31m
Aug 2019
Les méduses, animaux sous-estimés et merveilles des océans
Ça pique, mais pas que. Peu appréciées des baigneurs, et ignorées par le reste, les méduses jouent pourtant un rôle central dans la biodiversité marine. En compagnie de Oihana Gabriel, journaliste santé à 20Minutes, et de l'experte des profondeurs spatiales et océaniques du magaz ... Show More
15m 24s