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COLUMNS Field Notes • Space Makes Strange Bedfellows For studies of how the body responds to space travel, flat on your back is the next-best thing to being there MARY K. MILLER
ESSAYS & COMMENT Murder Most Foul A forensic anthropologist musters all the resources of his science to finger those responsible for war crimes CLYDE SNOW
FEATURES: SPECIAL ISSUE ON ORIGINS Cold Start The first life may have evolved out of a chilled organic soup that brewed under a thick layer of ice JEFFREY L. BADA
Roots Ancient hair, and the DNA embedded in it, might reveal when and how the Americas were settled‹but not if some Native Americans can help it ROBSON BONNICHSEN AND ALAN L. SCHNEIDER
On Common Ground • Two Sides to Every Issue The messages of the dead, encoded in a building stone PHOTOGRAPHS BY ROSAMOND PURCELL TEXT BY STEPHEN JAY GOULD
Cover Story • Darwin's Dangerous Idea Like "universal acid," evolutionary theory eats through every other explanation for life, mind and culture DANIEL C. DENNETT
REVIEWS Our Bodies, Our Science Challenging the breast cancer research establishment, victims now ask for a voice in the war against the disease CHARLES WEIJER
Books in Brief • Final Thoughts PLUS: German wartime missile program; a natural history of chocolate LAURENCE A. MARSCHALL
DEPARTMENTS Initial Conditions • Editor's Notebook
Peer Review Letters from Readers
Working Hypotheses • Who, Where, When, What and Why? RODNEY W. NICHOLS
Quanta Linguistic analysis of DNA; acoustic daylight; electromagnetic fields and health; fire ant invasion
Strange Matter The Rites of Spring ROZ CHAST
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