featured segment
Tracing Light to Map the Cosmic Darkness
Two astrophysicists are creating maps and images of the hidden side of the universe: dark matter and black holes.
Heard on the Air
11:56
Human-Like Hobbits, Spitting Fish, and Arecibo’s Uncertain Future
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Google Doodle team lead Ryan Germick shares the stories behind some of the search engine’s geekiest “doodles.”
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Stink Bombs, Submarine Safety, and the Science of Soldiering
In “Grunt,” author Mary Roach looks at the technology used to battle disease, shock, and exhaustion in the ranks.
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The Hyperloop: From Pipe Dream to Possible
Inside the race to realize Elon Musk’s vision of tube-based transport.
24:32
Tracing Light to Map the Cosmic Darkness
Two astrophysicists are creating maps and images of the hidden side of the universe: dark matter and black holes.