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Ultrashort-Pulse Lasers: Big Payoffs in a Flash

The briefest man-made events, pulses of laser light lasting millionths of a nanosecond, can be used for delicate eye surgery, high-bandwidth communications and stop-motion studies of molecules reacting

By John-Mark Hopkins and Wilson Sibbett

The Plan to Save Fallingwater

This breathtaking house designed by Frank Lloyd Wright was in danger of collapse until an engineering firm found a way to stop it from falling down

By Robert Silman

Searching for Shadows of Other Earths

Astronomers have found dozens of giant planets beyond our solar system, but they haven't been capable of bagging an Earth--until now

By Hans-Jrg Deeg, Laurance R. Doyle and Timothy M. Brown

Muscle, Genes and Athletic Performance

The cellular biology of muscle helps to explain why a particular athlete wins and suggests what future athletes might do to better their odds

By Bengt Saltin, Jesper L. Andersen and Peter Schjerling

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