Vol. 169 No. #20
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More Stories from the May 20, 2006 issue

  1. Humans

    Report knocks NASA funding

    A new National Academy of Sciences study joins the chorus of critics that claim NASA is overextended, sacrificing basic- science research in order to finish building the International Space Station and fund President Bush's plan to return astronauts to the moon.

  2. Agriculture

    Biotech cotton: Less spray but same yield

    The way farmers grow transgenic cotton in Arizona lets them skip some of their regular spraying but end up with the same yield as traditional farmers, as well as the same impact on ants and beetles.

  3. Health & Medicine

    Nabbed: Culprit of grapefruit juice–drug interaction

    Researchers have pinned down the class of natural compounds in grapefruit juice that's responsible for its unwanted chemical interaction with many drugs.

  4. Humans

    Roads pose growing danger in poor countries

    Although roads are getting safer in many developed countries, traffic accidents are a rising and underestimated killer worldwide.

  5. Tech

    Rounding out an insect-eye view

    A new humanmade version of an insect's compound eye could perform like the real thing.

  6. Cancer gene is also important for growth

    A certain tumor-suppressing gene appears to also control development in immature animals.

  7. Earth

    Three Gorges Dam is affecting ocean life

    Oceanographic surveys suggest that China's Three Gorges Dam is already influencing biological productivity in the East China Sea, even though the structure is still under construction.

  8. Paleontology

    Remains may be an evolutionary relic

    Fossils recently found in southwestern China may be of a lineage that originated long before the Cambrian explosion of biodiversity, when most major groups of animals first appeared in the fossil record.

  9. Health & Medicine

    Bug Zapper: Novel drug kills resistant bacteria

    A newly recognized compound can wipe out some of the most troublesome antibiotic-resistant bacteria, lab tests show.

  10. Astronomy

    Safe from a Heavenly Doom: Gamma-ray bursts not a threat to Earth

    Gamma-ray bursts are likely to occur in the Milky Way.

  11. Materials Science

    Feeling cagey

    Researchers have discovered that gold can take the shape of nanoscale, hollow cages.

  12. Anthropology

    Hybrid-Driven Evolution: Genomes show complexity of human-chimp split

    A controversial new genetic comparison suggests that human and chimpanzee ancestors interbred for several million years before evolving into reproductively separate species no more than 6.3 million years ago.

  13. Animals

    Jay Watch: Birds get sneakier when spies lurk

    A scrub jay storing food takes note of any other jay that watches it and later defends the hoard accordingly.

  14. Eye for Growth: New protein prompts optic nerve regrowth

    A protein recently isolated from white blood cells could offer a new way to repair nerve cells damaged by injury or disease.

  15. Humans

    Indy’s Best: Young scientists cross the finish line

    High school students from 47 countries gathered in Indianapolis last week to compete for scholarships and other prizes in the 2006 Intel International Science and Engineering Fair.

  16. Health & Medicine

    Now Hear This

    Genetics research, work with stem cells, and studies of the inner ear's delicate architecture suggest that it might be possible to restore cells pivotal to hearing.

  17. Tech

    Illuminating Changes

    Indoor lighting is undergoing a dramatic metamorphosis toward energy-conserving systems that rely on solid-state technologies.

  18. Humans

    Letters from the May 20, 2006, issue of Science News

    Forget dessert In “Got Data? Consuming calcium, dairy doesn’t keep off weight” (SN: 3/11/06, p. 147), you report, “Every 4 years, each volunteer completed a questionnaire about his body weight and dietary habits.” Any dieter knows that it is next to impossible to remember what one has eaten 4 days ago. Any more details on […]