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COLUMNS
Physica • All Shook Up
The jerk, an old-fashioned tool of physics, finds new applications in the theory of chaos
HANS CHRISTIAN VON BAEYER
Field Notes • In the Crosshairs
Zimbabwe has declared war on poachers to save the rhinoceros from extermination. But low-tech science may accomplish just as much MARK CHERRINGTON
ESSAYS & COMMENT
Running in Place
After thirty years on the fast track, women are still hobbled by the cumulative effects of sexual stereotyping -- a bias that begins in infancy and persists even among the most enlightened employers
VIRGINIA VALIAN
FEATURES
The Viral Superhighway
Environmental disruptions and international travel have brought on a new era in human illness, one marked by diabolical new diseases
GEORGE J. ARMELAGOS
On Common Ground • Divide and Conquer
The "obvious" distinction between organism and mineral is only two centuries old
PHOTOGRAPHS BY ROSAMOND PURCELL
TEXT BY STEPHEN JAY GOULD
All Systems Go
Can a machine think like a person? With Deep Blue, computer chess sidestepped the question, but a more ancient game may lead to an answer
DAVID A. MECHNER
REVIEWS
The Secret Garden
Long a woman's best weapon against society's reproductive demands, herbs were repressed for millennia. Now new contraceptives are getting the same treatment
BURKHARD BILGER
Books in Brief • Mr. Science
PLUS: Factoid feast; all about cod
LAURENCE A. MARSCHALL
DEPARTMENTS
Initial Conditions • Editor's Notebook
Pale Horse
PETER G. BROWN
Peer Review
Letters from Readers
Working Hypotheses • Campuses and Crocodiles
RODNEY W. NICHOLS
Quanta
Cosmic foam; obsessive bodybuilding; picking out a piece of pi; the science of marching; electric car milestone
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