Mars Is Pretty Clean. Her Job at NASA Is to Keep It That Way.

This entry was posted in New York Times Science and tagged NYT science on October 5, 2015 by Farzin

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By KENNETH CHANG

Catharine A. Conley is not facing aliens, so her main job is to make sure not too many Earth spores from research missions to Mars are left behind.

Published: October 6, 2015 at 02:00AM

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