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On the Cover

January-February 2002 Volume 90, Number 1

These sculpted icebergs, slowly melting as they float through the Southern Ocean, provide a quiet reminder that the ice covering Antarctica is not a static mass. Should the vast ice sheet now overlaying western Antarctica disappear, sea level would rise some six meters, flooding the world's coastlines. ...


FEATURE ARTICLES

The Kolam Tradition *

Marcia Ascher

A tradition of figure-drawing in southern India expresses mathematical ideas and has attracted the attention of computer science


Tides and the Biosphere of Europa *

Richard Greenberg

A liquid-water ocean beneath a thin crust of ice may offer several habitats for the evolution of life on one of Jupiter's moons


Probing the Depths of Crater Lake *

Douglas Larson

During much of its 100 years of National Park status, this national treasure saw little scientific study, despite significant environmental threats


Newborn Screening for Metabolic Diseases *

David Millington

The second generation of newborn screening techniques can detect many more diseases, allowing the prevention of brain damage and death


The Eurasian Arctic During the Last Ice Age

Anders Elverhøi, Martin Siegert, Julian Dowdeswell, John-Inge Svendsen

A vast ice sheet once covered the Barents Sea. Its sudden disappearance 100 centuries ago provides a lesson about western Antarctica today


* access restricted to members and subscribers


SCIENTISTS’ BOOKSHELF

Challenging Times Ahead

Brian Skinner

A review of Hubbert's Peak: The Impending World Oil Shortage, by Kenneth S. Deffeyes

See all book reviews for this issue.


DEPARTMENTS

COMPUTING SCIENCE

Statistics of Deadly Quarrels

Brian Hayes

The quantitative study of war

MACROSCOPE

The Real Biodiversity Crisis

Phillip S. Levin, Donald A. Levin

What sorts of creatures will survive the current spasm of extinction?

MARGINALIA

Hunting the First Hominid

Pat Shipman

Can we really hope to trace the evolutionary origin of hominids?

ENGINEERING

The Fall of Skyscrapers *

Henry Petroski

The future of skyscrapers after September 11

SCIENCE OBSERVER

Red All Over

Rebecca Sloan Slotnick

Mapping the effects of global warming

A Wide Web of Attack

Mike May

Denial-of-service attacks on the Internet

Robo P.I.

David Schneider

A survey of autonomous research vehicles

FROM THE PRESIDENT


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