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Science 27 February 1998:
Vol. 279. no. 5355, p. 1309
DOI: 10.1126/science.279.5355.1309a
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AAAS MEETING:
Preventing a Mars Attack

Martin Enserink

Fears that the next rock to arrive from Mars could carry live martian microbes able to infect and decimate plants, animals, or people--however remote--are high on the agenda at NASA, which is preparing a $500 million mission that would bring about 0.5 kilogram of martian soil and rocks back to Earth in 2008. At the meeting, scientists and NASA officials outlined their plans for containing any unwelcome visitors lurking in martian samples.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)