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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.
17:00
Food Failures: I Scream, You Scream…When We Ruin Our Ice Cream
Jeff Potter, author of “Cooking for Geeks” returns to share homemade ice cream hacks.
24:23
Throw These Science Books in Your Beach Bag
Maria Popova and Lee Billings share their summer reading picks.
15:57
Not All Cooking Oils Are Created Equal
Ever wondered which cooking oil is healthiest? Tom Brenna, a professor of human nutrition at Cornell University, helps us get to the fat of the matter.
5:57
Engineering Evaporation
Researchers at Columbia University design engines powered by evaporation.
9:33
Cephalopod Week Is Back
We kick off our second annual Science Friday Cephalopod Week—a celebration of all things tentacled.
7:14
Could Mars Have a Cold, Icy Past?
The ancient climate of Mars may have been cold and icy, according to researchers.
17:36
Science Goes To The Movies: ‘Jurassic World’
Paleontologists Lindsay Zanno and Kenneth Lacovara share what made them clap and cringe while watching “Jurassic World.”
12:00
A Cometary Awakening, a Vaccine Mystery, and Brand New Bacteria
Tariq Malik of Space.com talks about Philae’s unexpected awakening, and Arielle Duhaime-Ross helps decipher a mystery that has plagued scientists for 50 years.
8:09
This Ant Stinks
Two entomologists set out to prove the true scent of the odorous house ant.
8:21
The Walking…and Falling Robots of DARPA’s Robotics Competition
The DARPA Robotics Competition challenged teams to design robots that could navigate a simulated disaster scenario.