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COLUMNS
Physica • Disorderly Conduct
Order always seeps away toward chaos, but the ways of entropy can be passing subtle
HANS CHRISTIAN VON BAEYER
Field Notes • The Archaeologists Who Wouldn't Dig
Uncovering one of the most storied sites in antiquity-without touching a shovel
JOHN FLEISCHMAN
FEATURES
Dollars and Antisense
The fortunes of an industry, and a new generation of drugs, ride on a clever form of synthetic DNA
SUDHIR AGRAWAL
On Common Ground • Pulling Teeth
Can't live with 'em, can't live without 'em
STEPHEN JAY GOULD
Cover Story • Through the Looking Glass
In arithmetic 5 and 7 can be added in any order to yield 12. When order does matter, you have entered the strange, disorienting world of noncommutativity.
DANA MACKENZIE
REVIEWS
>The Power of HIV-Positive Thinking
When desperate men insisted that good testing procedures were killing them, they changed the practice of medical research. Can science afford to be this democratic?
STANLEY J. HEGINBOTHAM
Books in Brief • Shelf Life
PLUS: Finding mushroom delicacies; creating new materials
LAURENCE A. MARSHALL
DEPARTMENTS
Initial Conditions • Editor's Notebook
"Mirror, Mirror"
PETER G. BROWN
Peer Review
Letters from Readers
Working Hypotheses • Sweet Reason
RODNEY W. NICHOLS
Quanta
Cloning and its ethics; quantum computing; intergalactic stars
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