Explore Broadcast Segments
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Could Life Exist on Newfound Alien Planet?
Astronomer Steven Vogt discusses a new discovery of a potentially habitable exoplanet.
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Birding for the Holidays
Thousands of citizen scientists are taking part in the annual Audubon Christmas Bird Count.
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Stem Cells Treat Lou Gehrig’s Disease, In Mice
Stem cell implants slowed the onset of symptoms—and scientists say human trials aren’t far behind.
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Debunking Doomsday and Exploring Maya Science
Two archaeologists weigh in on what the ancient Maya actually said about 2012. Spoiler: not much.
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The SciFri Book Club Tours ‘The Planets’
The book club reviews Dava Sobel’s 2005 homage to the solar system.
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Shooting Stars: Capturing the Night on Camera
Photographer Colin Legg makes time-lapse movies of celestial scenes.
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Future Fibers May Be Spun From Slime
The hagfish or “slime eel” shoots out slime containing silk-like fibers of remarkable strength.