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COLUMNS Physica • Power Tool Thinking with logarithms offers mainline access to the worlds of the very large and the very small HANS CHRISTIAN VON BAEYER
Field Notes • Lost City Preservationists stalled excavations at Jamestown for a century. Ironically, they proved to be the archaeologists' best friends ROBERT ZIMMERMAN
ESSAYS & COMMENT Variations on a Gene As the human genome is decoded, artists are seizing the stuff of the genetic revolution and grappling with its dilemmas EMILY LABER
FEATURES Toy Stories The ubiquitous Furby and other interactive playthings offer a window into the digital environment of the near future, dense with intelligent machines MARK PESCE
Cover Story • Speed Limits The 2000 Olympic Games will test the mettle of every competitor. But are the bounds of human athletic performance anywhere in sight? GUY C. BROWN
REVIEWS Race Counts The refined list of racial categories on the 2000 U.S. census form belies the fluidity and deep ambiguity that attend any attempt to classify human groups DAVID BERREBY
Books in Brief • Free Lunch PLUS: The lure of the antiworld; fossil hunting in ancient Greece and Rome LAURENCE A. MARSCHALL
DEPARTMENTS Initial Conditions • Editor's Notebook Power Bars PETER G. BROWN
Peer Review Letters from Readers
Working Hypotheses • Biotech in the Clinic RODNEY W. NICHOLS
Quanta Public understanding of science; water on Mars; attacking malaria in the genes of mosquitoes; a vision thing
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