Uncategorized

  1. Anthropology

    Variety spices up Neandertals’ DNA

    A surprising amount of genetic diversity characterized Neandertals.

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  2. Sharp rise noted in meds for youths

    Antipsychotic-drug treatment of children and teenagers seen by office-based physicians increased dramatically between 1993 and 2002.

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  3. Earth

    Gasp! Ozone limits don’t protect babies

    In healthy infants, even ozone concentrations well below those allowed by federal law trigger asthmalike symptoms.

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  4. Astronomy

    Spewing superdust

    Astronomers have identified a type of supernova as the main source of space dust.

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  5. 19691

    Tiktaalik may not have left the water by choice, to avoid predators, or to get more oxygen.