Humans

  1. Health & Medicine

    Success clearing clogged arteries

    In the past 10 years, angioplasty and other procedures to unblock clogged arteries have steadily improved, probably due to increasing use of wire-mesh tubes called stents to help patients’ arteries stay open.

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  2. Health & Medicine

    A sticky problem solved

    Researchers have identified a protein integral to making blood clot, a finding they hope will lead to better drugs for preventing clots in people at risk of heart attack or stroke.

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  3. Humans

    Explosions, not a collision, sank the Kursk

    Analyses of the shock waves recorded at seismic stations across northern Europe indicate that the Russian submarine Kursk sank due to onboard explosions, not a run-in with another vessel.

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  4. Health & Medicine

    Found: Mutation for deadly nerve disorder

    Two research teams have discovered the genetic mutation that causes familial dysautonomia, a lethal hereditary disease that causes nervous system damage.

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  5. Health & Medicine

    Radiation therapy keeps arteries clear

    Two new studies add to the growing evidence that radiation treatment may keep arteries open longer after angioplasty.

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  6. Anthropology

    Rumble in the Jungle

    A new book raises troubling and controversial issues regarding research on a famous South American Indian population.

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  7. Health & Medicine

    Dietary stress may compromise bones

    Internal conflict about what and how much to eat not only induces production of a stress hormone but also may eventually weaken bones.

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  8. Health & Medicine

    Raloxifene doesn’t hike breast density

    Estrogen-replacement therapy that includes estrogen increases breast-tissue density among postmenopausal women, but the estrogen-replacement drug raloxifene doesn’t.

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  9. Anthropology

    Human ancestors had taste for termites

    Incisions on ancient bone implements found in South Africa indicate that human ancestors gathered termites, a protein-rich food source, more than 1 million years ago.

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  10. Health & Medicine

    Cocaine link to heart attack bolstered

    Regular cocaine use may account for one-fourth of nonfatal heart attacks in people under age 45.

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  11. Health & Medicine

    Gene mutation can spur autoimmunity

    A mutation of a gene on the X chromosome can lead to a dangerous autoimmune disorder and type I diabetes.

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  12. Health & Medicine

    Mending a Broken Heart

    Transplants of skeletal-muscle cells may help heal hearts damaged by illness or previous heart attacks.

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