For thousands of years, there have been four basic tastes recognized across cultures. But thanks to Kumiko Ninomiya (a.k.a. the Umami Mama), scientists finally accepted a fifth. Could there be even more? (First published in 2022.)
Guests: Kumiko Ninomiya, biochemist and former director of the Umami Information Center; Gary Beauchamp, former director of the M ... Show More
Jun 1
The cells we share
Fetuses leave cells behind in their parents' bodies, where they braid themselves into tissues, and remain, for years. What are they doing in there? Guests: Amy Boddy, Associate Professor of Anthropology at the University of California, Santa Barbara; Lee Nelson, Professor Eme ... Show More
36m 15s
May 20
The man who bet against humanity — and lost
Paul Ehrlich was famous for predicting a population explosion that would destroy the planet, but he didn't count on human ingenuity. Guest: Bryan Walsh, Vox senior editorial director This episode was made in partnership with Vox’s Future Perfect team. For show transcripts, go to ... Show More
16m 54s
Oct 2025
Enceladus’s Alien Ocean, Ancient Fungi and the Flavor of Influenza
Saturn’s moon Enceladus reveals complex organic molecules that could hint at extraterrestrial life. Researchers also uncover fungi’s ancient reign over Earth and warn that second COVID infections may pose greater risks to young people. Plus, ants ferment yogurt, and flu detection ... Show More
9m 47s
Sep 2025
Episode 59: Dr. Paul Chirik on Modern Alchemy
Dr. Paul Chirik, the Edwards S. Sanford Professor of Chemistry and the Chair of the Department of Chemistry at Princeton University, researches something he calls “modern alchemy.” As many of the world's most effective chemical catalysts are made from rare and precious metals, Dr ... Show More
17m 43s
Sep 2025
The Dead Composer Whose ‘Brain’ Still Makes Music
In a hauntingly innovative exhibit, brain cells grown from the late composer Alvin Lucier’s blood generate sound. Set in a museum in Perth, Australia, the installation blurs the line between art and neuroscience. Host Rachel Feltman and associate editor Allison Parshall explore t ... Show More
25m 25s
Sep 2025
The Dead Composer Whose ‘Brain’ Still Makes Music
In a hauntingly innovative exhibit, brain cells grown from the late composer Alvin Lucier’s blood generate sound. Set in a museum in Perth, Australia, the installation blurs the line between art and neuroscience. Host Rachel Feltman and associate editor Allison Parshall explore t ... Show More
25m 25s
<p>Someone get a translator app because the fish are ready to speak. </p><p>Featuring:</p><p>Lauren Hawkins, Centre for Marine Science and Technology at Curtin University. </p><p>Dr Aaron Rice, Research Scientist at Cornell University. </p><p>Featured sounds :</p><p>Thanks to Aar ... Show More