July 22, 2000 | Science News

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  • News

    Enzyme needed to degrade acetaldehyde

    A shortage of the enzyme ALDH-2, which is needed to break down alcohol in the body, causes a buildup of the cancer-linked chemical acetaldehyde, perhaps explaining why alcoholics lacking ALDH-2 have high rates of mouth and throat cancers.
  • News

    Brain, heal thyself

    The rodent brain can be stimulated to replace damaged cells with new ones.
    14 years ago
  • News

    Wasps: Mom doesn't like you best

    Female wasps that found a colony together show no favoritism toward their own offspring when the adults feed larvae.
    14 years ago
  • News

    How butterflies can eat cyanide

    Some newly recognized chemical wizardry lets some Heliconius caterpillars thrive on leaves that defend themselves with cyanide.
    14 years ago
  • News

    Astronomers get radio protection

    Astronomers studying the universe at millimeter-wave energies-the high-frequency portion of the radio spectrum-were given an official guarantee last month that commercial satellites and other communication devices won't interfere with the scientists' observations.