News

  1. Health & Medicine

    Express delivery for cancer drugs

    A new drug-delivery method has dramatically reduced tumors in experiments conducted with mice.

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  2. Stem cells from bone marrow make new fat

    Some body fat comes from stem cells that migrate out of bone marrow.

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  3. Chemistry

    Happy fish?

    Researchers have detected antidepressant drugs in the brains of fish captured downstream of sewage-treatment plants.

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  4. Anthropology

    Neandertals’ tough Stone Age lives

    Neandertals that 43,000 years ago inhabited what's now northern Spain faced periodic food shortages and possibly resorted to cannibalism to survive.

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  5. Anthropology

    South African find gets younger

    The partial skeleton of a human ancestor previously found in South Africa dates to about 2.2