A technician stores trays of cell tissue in an incubator at the virus laboratories of Chas. Pfizer & Co., Inc., in 1963. Widespread use of the measles vaccine in the U.S. began in the late 1960s and led to the near-eradication of the illness in the country.
AP Photo
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Many people with a hoarding anxiety disorder need to take baby steps in order to cope with organization — like cleaning a bit at a time, rather than getting rid of everything at once.
Grap/Wikimedia Commons
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U.S. Marines and Afghan army commanders meet with villagers in Marjah, in Helmand province. The Marines are using social scientists to advise them on how to interact with local people as part of the U.S. counterinsurgency strategy.
Corey Flintoff/NPR
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NASA's twin GRACE satellites have been used since 2002 to compile data on the amount of ground water in California's San Joaquin Valley, shown above. New funding may soon allow NASA to replace GRACE.
Robyn Beck/AFP/Getty Images
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Customers waited in line outside Apple stores across the country to purchase the new iPad. Apple is marketing it as a revolutionary device that lets you feel like you're "holding the Web right in the palm of your hand."
Tom Pennington/Getty Images
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