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  1. Physics

    Quantum Loophole: Some quirks of physics can be good for science

    Physicists have found a way to almost double measurement precision when using photons to gauge distances.

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  2. Talk to the Hand: Language might have evolved from gestures

    Language might have evolved from hand gestures, say researchers who study communication in chimpanzees.

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  3. Health & Medicine

    Less Is More (Bone): Yearly osteoporosis drug reduces fractures

    Older women with osteoporosis who received yearly infusions of a drug that prevents bone loss had far fewer fractures than did peers who didn't get the drug.

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  4. Humans

    From the May 1, 1937, issue

    A vitamin image, sugar versus alcohol, and patterns in cells.