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The Sidebar: Of Asteroids and Men

Published:   February 22, 2013
Konstantin Kakaes and Dan Sarewitz explain how - theoretically - we could avert an asteroid impact, and how the asteroid tracking industry has evolved. John Williams, former meteorite-hunter, tells us why the meteorite market is so murky legally. Sarewitz and Kakaes critique the president's State of the Union science and technology proposals. Elizabeth Weingarten hosts.

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