lunedì 5 ottobre 2015

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

Mars Is Pretty Clean. Her Job at NASA Is to Keep It That Way
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 06:00AM

via NYT Science http://ift.tt/1VzmcQJ