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Features

The Machinery of Cell Crawling

When a cell crawls, part of its fluid cytoplasm briefly turns rigid. This transformation depends on the orderly assembly and disassembly of a protein scaffold

By Thomas P. Stossel

The Aluminum Beverage Can

Produced by the hundreds of millions every day, the modern can -- robust enough to support the weight of an average adult -- is a tribute to precision design and engineering

By John L. Duncan and William F. Hosford

Solving the Paradox of Deep Earthquakes

For decades, geophysicists have known that earthquakes should not occur at depth inside the earth. But they do. Finally, we know how and why these events happen

By Harry W. Green II

Software's Chronic Crisis

Despite 50 years of progress, the software industry remains years-- perhaps decades-- short of the mature engineering discipline needed to meet the demands of an information-age society

By W. Wayt Gibbs

Privatizing Public Research

With the end of the cold war, national defense has given way to international competitiveness as the theme for federal support of research. As it now stands, the idea will probably not work well

By Linda R. Cohen and Roger G. Noll

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