Vol. 160 No. #7

More Stories from the August 18, 2001 issue

  1. Health & Medicine

    New drug fights a chronic leukemia

    A genetically engineered drug that fuses an antibody to a toxin attacks cancerous cells in hairy-cell leukemia.

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  2. Health & Medicine

    Cox-2 shows up in stomach cancers

    The inflammatory enzyme Cox-2 is present in stomach tumors, suggesting that drugs that inhibit the enzyme might help supress tumor formation.

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  3. Health & Medicine

    Once a cesarean, always a cesarean?

    Expectant mothers who've already given birth by cesarean section put themselves at increased risk of uterine rupture by trying vaginal birth.

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  4. Health & Medicine

    Protein may post lung cancer warning

    The protein Ki-67, sometimes present on tissue lining the lungs, may act as a warning sign of lung cancer risk for ex-smokers.

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  5. Health & Medicine

    Could this be the end of the monthly period?

    Two compounds stop menstruation in monkeys, suggesting that similar drugs might someday enable women to bypass monthly bleeding.

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  6. Astronomy

    Senior star may have comets

    Astronomers have found what could be the first evidence of water-bearing objects that orbit a star other than the sun.

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  7. Astronomy

    Eros: The movie

    Close-up views of the asteroid 433 Eros, showing jagged rocks, fields of boulders, and debris-filled craters, are featured in a minute-long movie.

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  8. Humans

    Bush favors some stem cell research

    President Bush said he would support work on stem cells that already had been propagated from embryos otherwise fated for disposal in fertility clinics, but he opposes financing the destruction of additional embryos to create new cell lines.

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  9. Humans

    Cloning hearing creates media frenzy

    A panel reviewing human cloning heard the pros and cons of the issue during a fiery debate.

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  10. Health & Medicine

    Drugs Counter Mad Cow Agent in Cells

    Fueled only by promising studies of cells, a California research team has invited controversy by beginning to give a little-used malaria drug to patients who have the human version of mad cow disease.

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  11. Astronomy

    Astronomers spy familiar planetary system

    Studying a star in the Big Dipper, astronomers have for the first time found a planetary system that reminds them of home.

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  12. Animals

    Smart tags show unexpected tuna trips

    The first report on Atlantic bluefin tuna wearing electronic tags reveals much more dashing across the ocean than expected.

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  13. Earth

    Deep-sea gear takes wild ride on lava

    When a set of instruments monitoring an underwater volcano got trapped in an eruption in early 1998, the scientists who had deployed the sensors ended up with more data than they bargained for.

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  14. Materials Science

    Chemical sensors gain true portability

    Researchers have designed simple new films for indicating the presence of worrisome airborne chemicals.

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  15. Physics

    Accelerators load some new ammo: Crystals

    To make denser accelerator beams that may open new doors in physics, researchers have chilled ions in a miniature test accelerator until the ions coalesced into crystals.

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  16. Paleontology

    A Ticklish Debate

    Paleontologists engaged in a contentious debate about the origins of feathers often reach interpretations that are poles apart, and they defend their views with fervor.

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  17. Health & Medicine

    Vaccine Verity

    Widely publicized concerns about vaccination leading to autism, multiple sclerosis, and diabetes have not been borne out by research.

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