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  1. Low body heat lengthens mouse lives

    Mice genetically engineered to have slightly lower-than-normal body temperatures lived significantly longer than mice with normal body temperatures.

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  2. Physics

    Heavy finding

    Physicists have discovered never-before-seen subatomic particles related to protons and neutrons but laden with exotic, heavy subparticles called bottom quarks.

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  3. Health & Medicine

    Bug be gone

    An experimental device that combines a special comb with a forceful air blower kills head lice and their nits.

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  4. 19760

    This article explained how research was being done to find a way to get rid of head lice without the use of harsh chemicals.