2011.09.04

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PHOTO RESEARCHERS, INC./COLORIZATION BY JESSICA WILSON (melanoma); COURTESY OF R. HURT/SSC.JP/CALTECH AND NASA (Milky Way); COURTESY OF NASA/JPL/USGS (moon); OZGÜR DONMAZ iStockphoto (cell phones)

PHOTO RESEARCHERS, INC./COLORIZATION BY JESSICA WILSON (melanoma); COURTESY OF R. HURT/SSC.JP/CALTECH AND NASA (Milky Way); COURTESY OF NASA/JPL/USGS (moon); OZGÜR DONMAZ iStockphoto (cell phones)

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