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Features

The Many Faces of Mars

One rover found an ancient desert; the other, a once watery world. The Red Planet's diversity rivals Earth's

By Philip R. Christensen

Simulating Ancient Societies

Computer modeling is helping unravel the archaeological mysteries of the American Southwest

By Timothy A. Kohler, George J. Gumerman and Robert G. Reynolds

Shrinking Circuits with Water

Semiconductor manufacturers are giving their products a dousing in the name of faster, smaller, cheaper

By Gary Stix

New Movement in Parkinson's

Recent genetic and cellular discoveries are among the advances pointing to improved treatments for this increasingly common disorder

By Andres M. Lozano and Suneil K. Kalia

Can We Bury Global Warming?

Pumping carbon dioxide underground to avoid warming the atmosphere is feasible, but only if several key challenges can be met

By Robert H. Socolow

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