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The Throat Singers of Tuva

Testing the limits of vocal ingenuity, throat-singers can create sounds unlike anything in ordinary speech and song--carrying two musical lines simultaneously, say, or harmonizing with a waterfall

By Theodore C. Levin and Michael E. Edgerton

Muscular Again

Within a decade or two, scientists will create a genetic vaccine that increases muscle mass--without exercise.

By Glenn Zorpette

Migrating Planets

Did the solar system always look the way it does now? New evidence indicates that the outer planets may have migrated to their present orbits

By Renu Malhotra

The Coming Merging of Mind and Machine

The accelerating pace of technological progress means that our intelligent creations will soon eclipse us--and that their creations will eventually eclipse them.

By Ray Kurzweil

Breathing Life into Tyrannosaurus rex

By analyzing previously overlooked fossils and by taking a second look at some old finds, paleontologists are providing the first glimpses of the actual behavior of the tyrannosaurs

By Gregory M. Erickson

The Dechronization of Sam Magruder

The brute--it was a tyrannosaur-- got me by the leg. He shook me loose, tearing off the leg at the knee, and he didn't see where the rest of me fell. I tied up the stump and crawled away.

By George Gaylord Simpson

A Case against Virtual Nuclear Testing

The U.S. Department of Energy's high-tech plan to replace nuclear testing with elaborate 3-D computer simulations is seriously flawed

By Christopher E. Paine

Scientists and Religion in America

Science and religion are engaging in more active dialogue and debate, but a survey suggests that scientists' beliefs have changed little since the 1930s, and top scientists are more atheistic than ever before

By Edward J. Larson and Larry Witham

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