Episode (200)
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Resolving the dispute over the speed of the expanding universe, and seeking new drug targets for cognitive dysfunction
Apr 02, 2026First up on the podcast, a new path to calculating the Hubble constant. This value for the universe’s speed of expansion is typically determined in one of two ways, one favored by cosmologists, the ot...
Resurrection plants, Project Hail Mary, and the trouble with sycophantic AI
Mar 26, 2026First up on the podcast, Deputy News Editor Martin Enserink talks about so-called resurrection plants. These specialized plants can survive up to 95% water loss, whereas most plants struggle when thei...
Rethinking the peopling of the Americas, and the best ways to get groundwater back
Mar 19, 2026First up on the podcast, we discuss a finding that’s likely to reignite debate over how humans first spread through the Americas. In the late 1990s, a site in southern Chile called Monte Verde forced ...
What Alaska’s eroding coastline says about Earth’s future, and how Yellowstone ravens use their smarts to find wolf kills
Mar 12, 2026First up on the podcast, freelance journalist Evan Howell traveled to Cape Blossom, Alaska, where the receding coastline has revealed an ancient trove of glacial ice that may have survived for 350,000...
An alleged nuclear blast may reignite weapons testing, and who owns the Moon
Mar 05, 2026First up on the podcast, a peek into the roiling seas of U.S. science policy. ScienceInsider Editor Jocelyn Kaiser talks about shifting leadership at the National Science Foundation and the Cente...
Tropical birds’ ‘silent spring,’ and mapping people’s brains during surgery
Feb 26, 2026First up on the podcast, producer Meagan Cantwell talks to Contributing Correspondent Warren Cornwall about his visit to Brazil, where he observed firsthand what it takes for researchers to understand...
Matching sounds to shapes, and stories from the AAAS annual meeting
Feb 19, 2026First up on the podcast, Newsletter Editor Christie Wilcox, Associate Online News Editor Michael Greshko, and intern Perri Thaler share their experiences from the AAAS annual meeting in Phoenix. Chri...
Building better working dogs, and watching a black hole form
Feb 12, 2026First up on the podcast, more than half of all dogs going through service animal training don’t make it to graduation. Producer Kevin McLean journeys with Online News Editor David Grimm to Canine Comp...
Engineering safer football helmets, and the science behind drug overdoses
Feb 05, 2026First up on the podcast, host Sarah Crespi and Staff Writer Adrian Cho talk football and the latest science behind helmets engineered to reduce head injuries. Have better materials and testing led to ...
Shielding astronauts from cosmic rays, and planning the end of fossil fuels
Jan 29, 2026First up on the podcast, how do we protect astronauts when they leave the shelter of Earth’s protective magnetic fields and face the slow, constant bombardment of space radiation? Freelance science jo...