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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.
29:13
Scientists Search for Gulf War Illness Answers
More than 20 years later, many Gulf War veterans still suffer from an array of unexplained ailments.
16:37
Birds Evolve Shorter Wings to Escape Traffic Crush
Cliff swallows with shorter wings appear better suited to avoid becoming roadkill.
17:25
Grand Central: An Engine of Scientific Innovation
Standard time zones and electric trains were both pioneered at New York’s Grand Central Terminal.
12:01
For Babies, It’s Better to Like What I Like
How green beans, graham crackers, and puppets can give insight into the development of moral behavior.
17:19
And the Award for Best Picture Goes To…
See who took first place in SciFri’s Winter Nature Photo Contest.
17:38
‘Bones’ Inspires a New Generation of Crime Fighters
Forensic anthropologist Kathy Reichs chats about “Code,” her new crime novel for young adults.
12:23
Curiosity Hits Paydirt: New Clues to Life on Mars
Microbes may once have thrived in a freshwater lake on Mars, according to clues in an ancient rock.
5:31
Physicists Tie Water Into Knots
If you thought a smoke ring was fancy, check out these fluid knots.
21:35
Improving Healthcare, One Search at a Time
By combing through 100 million search queries, researchers detected a previously unknown interaction between two commonly prescribed drugs.
7:21
Arming Fat Cells to Fight Brain Cancer
Researchers are investigating ways to turn fat cells into Trojan horses to fight brain cancer.