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Rebuilding Broken Hearts

Biologists and engineers working together in the fledgling field of tissue engineering are within reach of one of their greatest goals: constructing a living human heart patch

By Smadar Cohen and Jonathan Leor

Music and the Brain

What is the secret of music's strange power? Seeking an answer, scientists are piecing together a picture of what happens in the brains of listeners and musicians

By Norman M. Weinberger

Computing at the Speed of Light

Emerging ways to make photonic connections to electronic microchips may dramatically change the shape of computers in the decade ahead

By W. Wayt Gibbs

Black Hole Computers

In keeping with the spirit of the age, researchers can think of the laws of physics as computer programs and the universe as a computer

By Seth Lloyd and Y. Jack Ng

Abrupt Climate Change

Winter temperatures plummeting six degrees Celsius and sudden droughts scorching farmland around the globe are not just the stuff of scary movies. Such striking climate jumps have happened before--sometimes within a matter of years

By Richard B. Alley

A Split at the Core

Physics is forcing the microchip industry to redesign its most lucrative products. That is bad news for software companies

By W. Wayt Gibbs

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