Ancient wildfires may have doomed Southern California’s big mammals, and do insular societies have more complex languages?
First up on this week’s show, what killed off North America’s megafauna, such as dire wolves and saber-toothed cats? Online News Editor Mike Price joins host Sarah Crespi to talk about the likely culprits: climate or humans, or one t ... Show More
Oct 29
Destroying forever chemicals, hyperlocal pollution sensing, and an experiment in queer parenthood
First up on the podcast, thousands of tons of per- and polyfluoroalkyl substances (PFAS) have been released into the environment. It’s not always that difficult to round them up, but what to do next has been a tougher call. Until now, the default has been to burn PFAS—but that ha ... Show More
50 m
Oct 22
Birds make decisions faster than we do, rewriting DNA’s history, and combining science and poetry
First up on the podcast, News Editor Tim Appenzeller joins host Sarah Crespi to talk about an x-ray image that is upsetting the narrative of DNA’s discovery as told by James Watson. A newly resurfaced photo taken by Rosalind Franklin—photo 49—shows she was aware of the helical st ... Show More
43m 34s
Oct 15
Cheese history, redating the Inca empire, and the source of the breath’s rhythm
First up on the podcast, producer Meagan Cantwell and Newsletter Editor Christie Wilcox discuss a few stories from ScienceAdviser, including why Nazi Germany was unlikely to ever make an atomic bomb, a gene that might prevent gray hairs, and 140 years of cheese history from a Swi ... Show More
56m 44s
Aug 2023
Old Things Considered: La Brea, Megalodon, Dino Footprints, Surviving History. Aug 25, 2023, Part 2
<h2>How Early Humans May Have Transformed L.A.’s Landscape Forever</h2><p>Join us on a time traveling adventure, as we go back 15,000 years to visit what’s now southern California. During the last Ice Age, saber-toothed cats, wooly mammoths, and dire wolves prowled the landscape, ... Show More
47m 16s
Mar 2023
Ocean World Tour: Whale Vocal Fry, Fossilizing Plankton and A Treaty
Reading the science headlines this week, we have A LOT of questions. Why are more animals than just humans saddled — er, blessed — with vocal fry? Why should we care if 8 million year old plankton fossils are in different locations than plankton living today? And is humanity fina ... Show More
10m 37s
Aug 2025
Animals in the year 20202025
What do scientists think animals might be like millions of years from now? (First published in 2021) Guests: Benji Jones, senior correspondent at Vox; David Willard, ornithologist at Chicago's Field Museum; Liz Alter, marine biologist at San José State University; Jingmai O'Conno ... Show More
27m 19s