How The Word 'Scientist' Came To Be

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Is Stem Cell Research Making Progress?

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Manmade Genome Controls A Cell

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More airports are using back-scatter scanners like this one at O'Hare International Airport in Chicago. Scott Olson/Getty Images hide caption

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Scientists Question Safety Of New Airport Scanners

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CT Makers: Make Sure Scans Are Really Needed

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Behind the Piles: A Look At Why People Hoard

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Neanderthal Genome Offers Clues On Early Humans

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Study Suggests Hand Washing Cleanses The Mind

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In the study, people who washed their hands after making a tough choice seemed less worried about it. iStockphoto.com hide caption

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Stressful Decision? Washing Hands Could Help Soothe

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Someone who looks like this could be in your family tree. Chip Clark/Courtesy of the Smithsonian Institution hide caption

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Hey Good Lookin': Early Humans Dug Neanderthals

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Meeting The Nation's Bioenergy Goals

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Finding The Notes Among Us

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Why Laughter May Be Medicinal

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Offshore Wind Farm Gets Government Go-Ahead

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