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COLUMNS Anecdotal Evidence • Unnatural Acts From the wheel and axle to the thermal-expansion engine, the creations of human engineers put the lie to the credo that only nature can invent something new HANS STEVEN VOGEL
Field Notes • The Fortune Teller Will the secrets of genetic destiny bring comfort or only more sorrow to a remote land ravaged by violence?
KENNETH S. KOSIK
ESSAYS & COMMENT Cover Story • Gorilla Warfare The fate of Africa's rarest apes hinges on battles over their territory as well as their taxonomy LOV K. GROVER
FEATURES Quantum Computing How the weird logic of the subatomic world could make it possible for machines to calculate millions of times faster than they do today LOV K. GROVER
On Common Ground • Infiltration Art, civil order and decency are all that keep the pressing surge of chaos from flooding what we hold dear PHOTOGRAPH BY ROSAMOND PURCELL TEXT BY STEPHEN JAY GOULD
The Littlest Patient Surgeons have begun cutting open the womb to repair defects in the unborn. But can society adjust to the consequences of routine fetal surgery? DARIO O. FAUZA
REVIEWS This is the Way the World Ended The dinosaurs, some steadfast critics say, went out with a bang and a whimper ROBERT ZIMMERMAN
Books in Brief • Lord of the Flies PLUS: Weather maps; tales from New Guinea LAURENCE A. MARSCHALL
DEPARTMENTS Initial Conditions • Editor's Notebook No secrets PETER G. BROWN
Peer Review Letters from Readers
Working Hypotheses • What Drives Discovery? RODNEY W. NICHOLS
Quanta Meltdown, The A Ray, Executive Reprieve, Come Together, Forked Tongues, Qbits
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