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Science 1 July 2005:
Vol. 309. no. 5731, p. 89
DOI: 10.1126/science.309.5731.89
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News

How and Where Did Life on Earth Arise?

Carl Zimmer

For the past 50 years, scientists have been attacking the question of how life began. Research projects now under way may shed more light on the subject, and most exciting of all is the possibility of finding signs of life on Mars.

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