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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.
Seeing Through the Smoke—The Secrets in a Cigarette
Many cigarettes are only two-thirds tobacco, and contain hundreds of additives, such as antifreeze, cocoa shells, and liquorice.
The World Remembers Neil Armstrong
A goodbye to Neil Armstrong: Pilot, pioneer, and the first person to walk on the Moon.
Gazing Up at a Double Sun
Astronomers have found multiple planets orbiting a double star system.
Meet the Brains Behind ‘Bones’
Forensic anthropologist and writer Kathy Reichs talks about her new novel “Bones Are Forever” and her ongoing work on the TV crime-fighting series “Bones.”
Surveying the Mobile Landscape, Post Patent Battle
Will the Apple/Samsung patent ruling affect the phones and tablets consumers can buy?
Unwinding the Cucumber Tendril Mystery
Researchers use time-lapse photography and a prosthetic plant to understand why cucumber tendrils twist.
Time to Overhaul America’s Aging Bridges?
Experts say some 8000 bridges are in dire need of repair—but at what cost?
Meet Your Ancient Relatives — The Denisovans
Scientists sequenced the genome of a Denisovan—a distant cousin to modern humans and Neanderthals.
David Eagleman Gets Inside Our Heads
Neuroscientist David Eagleman exposes our unconscious minds in his latest book Incognito.
‘Carbon Nation’ Tackles Climate Change, By Ignoring It
‘Carbon Nation’ bills itself as a ‘climate change solutions movie, that doesn’t even care if you believe in climate change.’