Vol. 158 No. #12
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More Stories from the September 16, 2000 issue

  1. Monkeys May Tune In to Basic Melodies

    Simple tunes prove as memorable to rhesus monkeys as they do to people.

  2. Chemistry

    Old Martian questions may have new answer

    Researchers simulating Martian conditions in a test tube discover a likely reason why no organic molecules have yet been found on the surface of the Red Planet.

  3. Health & Medicine

    Blood-cell transplants slow kidney cancer

    A new transplant technique that uses blood transfusions from a sibling combined with decreasing doses of immune-suppressing drugs enables some patients to fight off advanced kidney cancer.

  4. Animals

    Sexual conflict pushes species making

    A novel comparison of 25 pairs of insect lineages finds that sexual conflict plays more of a role in making new species than scientists had realized.

  5. Moms and pups sniff out immune genes

    Genes involved in the immune system also create individualized body odors that allow parents and offspring to recognize each other.

  6. Tech

    Device ups hydrogen energy from sunlight

    A solar-electric cell that stands above an acid bath on electrode legs has converted light to hydrogen fuel with unprecedented efficiency.

  7. Earth

    Small quake shakes up hydrothermal vents

    Long-term, post-earthquake fluctuations in the temperature and volume of water spewing from hydrothermal vents off the coast of Washington state suggest that the fluid flow feeding such vents may be much more complex than previously thought.

  8. Humans

    Postdocs warrant more status and support

    A new study finds a pressing need to improve the pay and status of postdoctoral scholars.

  9. Archaeology

    Maya palace suddenly expands

    Archaeologists find a sprawling palace and other surprises at a 1,300-year-old Maya site in Guatemala.

  10. Ecosystems

    Virtual skylarks suffer weed shortfall

    A new mathematical model raises the concern that switching to transgenic herbicide-tolerant crops could deprive birds of weed seeds.

  11. Earth

    Bt corn pollen can hurt monarchs

    A second test of a strain of corn genetically engineered to make its own insecticide finds potential for harm to monarch butterfly caterpillars.

  12. Computing

    Going to digital extremes

    A researcher designs the ultimate laptop, stretching the laws of physics to their limits to achieve blazing computation rates.

  13. Tech

    Robots making robots, with some help

    A new type of robotic system that designs and produces robotic offspring may represent a first step toward self-replicating "artificial life."

  14. Computing

    Resistance leaps as magnetism mounts

    A tiny traffic island for electrons promises to serve as an extraordinarily sensitive detector of magnetic fields.

  15. Earth

    High-Flying Science, with Strings Attached

    In the hands of scientists, kites do serious data gathering.

  16. Risky Business

    The science of decision making grapples with sex, race, and power.