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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.
6:52
New Vaccine Beats Malaria in Early Trials
The vaccine offered complete protection against malaria in a small trial, but only after five doses.
17:12
Reexamining the Definition of Cancer
Will redefining cancer help prevent overdiagnosis and overtreatment?
17:36
Teaching Newton’s Laws Through Rhyme
Science teacher Christopher Emdin knows how to get his students interested in science: Rap about it.
11:49
For Asteroid Ideas, NASA Looks to the Crowd
When NASA asked the public for ideas on tracking and exploring asteroids, the agency received more than 400 ideas.
4:29
Engineering in Service of a Dark Art
A biologist takes shadow puppetry to the next level.
11:34
Meet Nasutoceratops: Big-Nose Horned Face
Researchers dug up a new relative of Triceratops in the Utah desert. Its distinction? A huge nose.
9:25
Some Ground-Dwelling Dinos Had the Brains to Fly
Even Archaeopteryx‘s non-flying cousins had the motor and visual skills needed for flight.
13:43
Hacking Under the Hood and Into Your Car
More computerized features in your car mean more hacking vulnerabilities.
6:02
Smartening Your TV With Google Chromecast
How does Google Chromecast fit into the media streaming market?
24:01
The ‘Uncool’ Passion of Jonathan Franzen
The best-selling novelist has a soft spot for birds.