Explore Broadcast Segments
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Astronauts Prepare for Departure
We’ll check in with crewmembers on board the International Space Station, just days before several are scheduled to return to Earth after months in orbit.
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Bidding Farewell to Lonesome George
He never spoke, but affected many. We’ll look back on the life of the Galapagos icon Lonesome George.
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A Tale of Two Coastlines, Skirted by Swelling Seas
Rising sea levels are swallowing up U.S. coastlines–with a flood of consequences onshore.
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Alan Turing at 100
A look at the man who helped create the modern world–and was promptly forgotten by it.
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Meet the Energy-Saving Gadgets of the Future
Floors that generate electricity from footsteps. A GPS that outsmarts traffic jams. Innovations like these could be the next big thing–and we have student inventors to thank.
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Spider-Man Gets a Physics Lesson
Do the laws of physics apply to superheroes? Sort of, says James Kakalios.