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April 18, 2025
Are traffic engineering decisions based on evidence-based research? Not as much as you might think. Plus, researchers captured the first confirmed video of a colossal squid swimming in its natural habitat. And, with brain-implanted devices, people with paralysis have been able to command computers to “move” virtual objects and speak for them.
7:20
Moving Ice May Mean More Melting for Greenland
By 2060, Greenland’s seasonal “supraglacial” lakes will double in number and move farther inland.
7:09
Under The Influence Of Beer Foam
A team of fluid mechanics researchers at Princeton University dive into the anti-sloshing physics of foam.
9:21
Weighing In on the ‘Good Carb, Bad Carb’ Debate
Curbing “high glycemic” carbs may not benefit healthy eaters.
23:12
Scientists Speak Out About Attacks on Science
Bioengineer John Dabiri and conservation biologist Terrie Williams, two targets of Senator Tom Coburn’s 2014 “Wastebook” look beyond the caricatures painted by politicians and pundits to tell the story of their research.
11:54
Does Mars Have What It Takes to Support Life?
NASA’s Curiosity rover finds evidence of methane and organics on the Red Planet.
26:00
The Best Science Books of 2014
Science writers Deborah Blum and Annalee Newitz join Ira to share their favorite science books of 2014.
20:28
DIY Holiday Gift Hacks
Avoid the long lines and hack your holiday gifts, from homemade perfume to 3-D printed ornaments.
16:20
Food Failures: Cookie Science Secrets
In this episode, “Cooking for Geeks” author Jeff Potter gives home bakers tips on how to achieve cookie perfection using different sugars, fats, and flours.
17:22
Alan Alda Challenges Scientists to Answer: What Is Sleep?
Alan Alda’s Flame Challenge asks scientists to answer the big questions that keep them up at night to 11-year-olds around the world.
11:52
Evidence Mounts for Liquid Water on Mars
NASA reveals new evidence for a large lake that could have existed for millions of years on Mars.