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  1. Tech

    To tame traffic, go with the flow

    Lights should respond to cars, a study concludes, not the other way around.

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  2. Psychology

    Why cell phone talkers are annoys-makers

    Overhearing half of a conversation is so aggravating at least in part because it inordinately distracts a listener from tasks at hand.

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  3. Earth

    Back to the moon’s future

    New crater and composition measurements from NASA’s Lunar Reconnaissance Orbiter are helping scientists understand the moon’s history and scout for future landing sites.

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  4. Life

    Minimolecule may explain how antidepressants work

    Research finds that Prozac increases levels of a microRNA and may explain why the drugs take several weeks to work.