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  1. Astronomy

    The sun’s searing radiation led to the shuffling of the solar system’s planets

    As the young sun’s radiation evaporated gas from its surrounding disk, it triggered a jumbling of the giant planets’ orbits, simulations suggest.

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  2. Life

    These bats buzz like wasps and bees. The sound may deter hungry owls

    Researchers have identified what may be the first known case of a mammal mimicking an insect.

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  3. Health & Medicine

    How to wash chicken in the kitchen more safely, according to physics

    Despite the advice of health experts, most people who cook chicken at home wash it. New research offers ways to reduce spreading dangerous germs.