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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

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

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

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

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

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