Mark Matney

Oct. 21, 2011

Predicting When Space Junk Will Come Home To Earth

This weekend, another satellite is scheduled to crash to Earth, just a month after the last one.

space spacecraft satellite reentry crash

Feb. 20, 2009

Space Debris

Last week, two satellites collided in orbit around Earth. We'll check in on the after-effects of that collision, and talk about what the lingering debris from the crash means for future space missions.

space debris, space junk, collision, crash, satellite, spaceflight

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Michael Pollan Talks Plants and Food

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Cephalopod Spectacular

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Teaching Ancient Nautilus New Tricks

\tWith its heavy outer shell, weak vision, and primitive brain, the nautilus lacks much of the excitement of the more flashy and cunning cephalopods. Yet a series of experiments by evolutionary biologists Dr. Jennifer Basil and Robyn Crook involving fish juice, blue lights, and mazes dispels the notion that this ancient species is incapable of basic learning and throws into question the origins of cephalopods' intellectual prowess.

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