NOVA scienceNOW

Season 4 Episode 3

Marathon Mouse, Dinosaur Plague, Franklin Chang-Diaz, Space Storms

Aired Tuesday 8:00 PM Jul 13, 2009 on PBS
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Episode Summary

With an "exercise pill," researchers turn couch-potato rodents into champion runners. Insects caught in amber spark a controversial theory about what killed the dinosaurs. The first Latino-American astronaut is also a scientist designing a new generation of plasma-powered space vehicles. Behind the dazzling display of the aurora borealis are space storms that could turn the lights off here on Earth.moreless

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