Cover Image: July 1999 Scientific American Magazine See Inside

Life's Far-Flung Raw Materials [Preview]

Life may owe its start to complex organic molecules manufactured in the icy heart of an interstellar cloud

By Max P. Bernstein, Scott A. Sandford and Louis J. Allamandola















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For centuries, comets have imprinted disaster on the human mind.

By 400 B.C. Chinese astronomers had sketched 29 varieties of comets, many foretelling calamity. Aristotle's assumption that comets were a


This article was originally published with the title Life's Far-Flung Raw Materials.



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