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COLUMNS Field Notes • Jurassic Mart Skullduggery and libertarian politics are driving the battles between paleontologists and commercial fossil traders WENDY MARSTON
ESSAYS & COMMENT Just Say Nyet! The partnership with the Russians in space has led to too many broken promises and needless delays ROBERT ZIMMERMAN
FEATURES Plundered Memories Can new findings about the genetics of Alzheimer's disease ward off this callous thief of mind and spirit? ZAVEN S. KHACHATURIAN
Irreversible Differences Most physicists believe, with Einstein, that "the distinction between past, present and future is an illusion." Not so Ilya Prigogine. Time goes forward, he says, and he can prove it. TONY ROTHMAN
Unusual Suspects Fish gotta fib, birds gotta lie. But when animals deceive, do they know what their dupes are thinking? CYNTHIA MILLS
REVIEWS Ground Zero Mathematics can explain the world or shatter it, balance your bank account or reveal vistas of astonishing abstract beauty. But where is it headed, in its increasing complexity, and why does anyone care? DAVID BERLINSKI
World on a Platter The short happy life of electronic encyclopedias BURKHARD BILGER
Books in Brief • Sea Change PLUS: Digging for dinosaurs; how to make decisions LAURENCE A. MARSCHALL
DEPARTMENTS Initial Conditions • Editor's Notebook Forgotten Lives PETER G. BROWN
Working Hypotheses • Jobs RODNEY W. NICHOLS
Peer Review Letters from Readers
Quanta Light from sound; occupational hazards of genuflecting monks; a new object in the heavens; the cabinet of Doctor Mütter
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