Knee Replacements, Designed for Women

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Size Matters: The Hidden Mathematics of Life

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Stuck and Suicidal in a Post-Katrina Trailer Park

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Teachers Prepare to See Morgan Go into Space

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Sara Tavares Mixes Portuguese, African Rhythms

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Scientist Studies Brain Process of Songbirds

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Couple Finds Good Will in Taste Tests

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Not All Sunscreens Are Created Equal

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Are Computer Keyboards Dishwasher Safe?

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Fiji's Mangroves, Coral Under Assault

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Don Herbert, TV's 'Mr. Wizard,' Dies

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Survival at a Price in an Iranian Prison

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Space Tethers: Slinging Objects in Orbit?

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