Humans
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Health & MedicineNobel 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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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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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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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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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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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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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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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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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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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.