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- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
- Closed Thinking: Without scientific competition and open debate, much psychology research goes nowhere
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- Teens take home science gold: A low-cost, self-driving vehicle; battery alternatives and analyses of galaxy clusters claim top prizes at a global high school science competition
- Flagging loose bolts: “Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger
- Pee is for power: The water in urine can be a source of hydrogen for electrical generators
TIME OVER TIME
View larger image | Timekeeping’s accuracy improved dramatically during the last millennium. A Chinese water clock could lose around 10 minutes a day. Within five years, scientists hope to have an atomic clock that loses less than one second over the universe’s lifetime.
Credit: from left: New York Public Library/Photo Researchers, Inc; Paul Clements
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Coverage of the 2013 American Association for the Advancement of Science meeting
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The Year in Science 2012
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