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May 2, 2025
An astronomer explores the cosmos and the limits of what science can test. Plus, how the mysterious properties of pasta—like how it bends, coils, and breaks—have been tested by physicists for decades. And, millions of years ago, iguanas somehow got from North America to Fiji. Scientists think they made the trip on a raft of fallen vegetation.
46:30
Exploring an Ever-Expanding Universe
Saul Perlmutter discusses his Nobel Prize-winning work measuring the accelerating expansion of the universe.
15:34
To Combat Rising Seas, Why Not Raise Up the Town?
Planning for the next Sandy, a New Jersey mayor has proposed lifting up his town. But at what cost?
29:51
Michael Pollan: You Are What You Cook
Pollan once advised, “Eat food. Not too much. Mostly plants.” Now, he tells us how to cook it.
5:24
Living Inside the Box
Brooklyn residents Michele Bertomen and David Boyle designed and built a house made of shipping containers.
11:16
Scientists Try to Take Antimatter’s Measurements
How can you measure the mass of a particle of antimatter? Might it fall up?
17:25
17-Year Cicadas Primed to Emerge
After spending 17 years underground, millions of Brood II cicadas are expected to emerge this spring.
11:34
Ancient Earth May Have Smelled Like Rotten Eggs
Bacteria-like creatures living nearly two billion years ago belched hydrogen sulfide, the signature stench of rotten eggs.
6:20
The Bird That Struts Its Stuff
Every year at this time, the greater sage-grouse performs a striking dance routine each morning at dawn.
17:34
James Webb Space Telescope Wings It
The telescope’s massive mirror will unfurl on a newly completed set of wings.
21:35
Great Salt Lake Is No ‘Dead Sea’
Parts of the giant lake are 10 times saltier than the ocean—but life has found a way to thrive.