Humans

  1. Health & Medicine

    Nobel prize: Physiology or medicine

    The 2001 Nobel Prize in Physiology or Medicine goes to three researchers who pioneered work in cell division.

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  2. Humans

    Nobel prizes mark 100th anniversary

    This year the Nobel prizes are a century old.

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  3. Health & Medicine

    Sperm Protein May Lead to Male Pill

    A protein that helps sperm move their tails may be a perfect target for a male contraceptive.

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  4. Health & Medicine

    Mushrooming Concerns

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  5. Health & Medicine

    Vitamin relative may aid stroke repair

    Dehydroascorbic acid, a precursor of vitamin C, may help stroke patients retain use of parts of their brain at risk from the blood shut-off caused by strokes.

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  6. Health & Medicine

    Detecting cancer risk with a chip

    Researchers can use microcantilevers studded with antibodies that react to prostate specific antigen, or PSA, to analyze blood samples for signs of prostate cancer.

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  7. Health & Medicine

    EMFs in home may limit night hormone

    A pair of studies suggests a link, at least in some women, between elevated residential exposure to electromagnetic fields and reduced production of the hormone melatonin.

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  8. Health & Medicine

    Aging cells may promote tumors nearby

    Cells that enter a state called senescence in older individuals may stimulate nearby cells to become tumors.

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  9. Health & Medicine

    Chemical Neutralizes Anthrax Toxin

    Scientists have created a synthetic compound that, when tested in rats, disables the toxin that makes anthrax lethal.

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  10. Health & Medicine

    Oceans apart, but surgery succeeds

    A French group performed the first transatlantic operation when surgeons in New York controlled a robot in Strasbourg, France, which removed a woman's gall bladder.

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  11. Health & Medicine

    For a change, infection stymies HIV

    A hepatitis-like virus that causes no known diseases seems to help people stave off the progression of HIV, the AIDS virus.

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  12. Anthropology

    Humans in eastern Asia show ancient roots

    Human ancestors lived in northeastern Asia about 1.36 million years ago, making it the oldest confirmed occupation site in eastern Asia.

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