Vol. 158 No. #17
Archive Issues Modal Example

More Stories from the October 21, 2000 issue

  1. Health & Medicine

    AIDS Vaccine Tests Well in Monkeys

    An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.

  2. Earth

    Flaws make it a geologist’s best friend

    By analyzing some of a diamond's trapped impurities, researchers were able to measure remnants of the gargantuan pressure that produced the gem.

  3. Archaeology

    Stone Age statuettes don disputed apparel

    A report describing woven caps, skirts, belts, and other apparel on Venus figurines from the Stone Age draws some critical responses.

  4. Physics

    Protons may waltz off nuclear dance floor

    Detection of proton pairs simultaneously emitted from neon nuclei raises the possibility that a new and long-sought window into the nucleus has been found and unlocked.

  5. Model explains bubonic plague’s persistence

    A computer model of bubonic plague suggests rats can harbor the disease for years before a human epidemic breaks out.

  6. Planetary Science

    Radio link may hamper a Titan probe

    A recently discovered communications problem could prevent the Huygens probe from relaying all of its precious data when it parachutes through the cloud-bedecked atmosphere of Saturn's largest moon, Titan, in 2004.

  7. Animals

    Second bird genus shares dart-frog toxins

    Researchers have found a second bird genus, also in New Guinea, that carries the same toxins as poison-dart frogs in Central and South America.

  8. Materials Science

    New work improves stainless steel surface

    A novel electrochemical method improves the surface of stainless steel without making the metal brittle or prone to corrosion.

  9. Astronomy

    Nudging asteroid fragments toward Earth

    New computer simulations detail how fragments of asteroids travel to Earth and rain down as meteorites.

  10. Squirrels save for the family’s future

    Some female red squirrels hoard extra food for youngsters that haven't yet been conceived.

  11. Bean weevils get a kick out of mates

    Breeding in stored grain throughout the tropics, bean weevils represent an unusually clear example of the evolutionary male-female arms race.

  12. Health & Medicine

    Making scents of Alzheimer’s

    Among people with mild symptoms of memory loss, a limited ability to recognize smells—along with an inability to detect the disability—has been linked to the future development of Alzheimer's.

  13. Health & Medicine

    Cell therapy not just for Parkinson’s

    Transplanted nerve cells can survive in the brains of people who have suffered strokes and may alleviate some brain damage.

  14. Health & Medicine

    Immune response in brain sparks nausea

    Ailments ranging from the common cold to many types of cancer can make people nauseous, an effect that may occur because signals from the brain suppress the muscle contractions required for digestion.

  15. Earth

    Allergic to computing?

    The plastic cases of certain computer monitors emit a chemical—triphenyl phosphate—that can cause allergic reactions.

  16. Earth

    Smoking out a source of painful menses

    Breathing in secondhand smoke may contribute to the development of menstrual cramps.

  17. Astronomy

    Invisible Universe

    X-ray astronomy opens a new window on the most energetic cosmic events.

  18. Health & Medicine

    Know Your Enemy

    Scientists mine the tuberculosis genome.