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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.
9:30
Remembering Nereus, Explorer of Ocean Depths
The robotic deep-sea submersible Nereus was destroyed while diving over six miles beneath the surface in the Kermadec Trench.
24:21
Is Graphene the New ‘Wonder’ Material?
Graphene is stronger than steel and more conductive than copper—a look at the applications and limitations of this “wonder” material.
12:00
Listening In on Seizures
A “brain stethoscope” turns seizure patients’ brainwaves into music.
23:23
Can’t Read This Headline? It’s Written in Invisible Ink
“Prisoners, Lovers, & Spies” tells the story of invisible writing, from lemon juice to microdots.
11:12
Should the Last Samples of Smallpox Virus Be Saved?
World health experts will meet to discuss whether or not to destroy the last live samples of smallpox virus.
12:08
Antarctic Ice Sheet Slipping Into the Sea
Scientists confirmed a West Antarctic ice sheet the size of the Dakotas is melting.
16:54
The Serious Science of Humor
Author Scott Weems lets us in on the jokes and uncovers the science of humor.
29:18
Another Climate Report, But Who’s Listening?
The White House released its latest climate report this week, with much the same message as recent IPCC findings—climate change is real, and it’s happening fast.
7:42
What’s Shaking Up Oklahoma?
Earthquakes have increased by 50 percent in Oklahoma since 2013 and may be linked to drilling disposal wells.
26:41
Science Goes To The Movies: ‘Transcendence’
SciFri’s scientist-film critics weigh in on the science behind the Hollywood techno-thriller “Transcendence.”