Vol. 172 No. #20

More Stories from the November 17, 2007 issue

  1. Anthropology

    Wild chimps scale branches of culture

    Distinctive behaviors in wild-chimp communities point to a basic cultural capacity in these animals.

    By
  2. Agriculture

    Insects laughing at Bt toxin? Try this

    A new countermeasure restores the toxicity of Bt pesticides to insects that have evolved resistance.

    By
  3. Tech

    Bucky shrink-wrap

    Scientists filmed cage-shaped carbon molecules as they shrank to become buckyballs.

    By
  4. Health & Medicine

    Too little sleep may fatten kids

    Lack of sleep may promote childhood obesity.

    By
  5. Earth

    New climate sensor: Swiss grapes

    Records of grape harvests reveal the summer climate in parts of Switzerland as far back as the 1400s.

    By
  6. Health & Medicine

    Superbug: What makes one bacterium so deadly

    A molecule that pierces immune cells gives some aggressive antibiotic-resistant staph bacteria their fearsome virulence.

    By
  7. Plants

    Tough Frills: Ferns’ wimp stage aces survival test

    A supposedly fragile stage in the life of ferns shows surprising toughness.

    By
  8. Paleontology

    Huge, yet not quite life-size

    The Carnegie Museum of Natural History in Pittsburgh will unveil the world's largest dinosaur mural on Nov. 21, when its dinosaur halls reopen after a 30-month, $36 million renovation.

    By
  9. Crime Growth: Early mental ills fuel young-adult offending

    Mental disorders in children can lead to criminal behavior in adulthood.

    By
  10. Astronomy

    Flare-Up: Comet Holmes’ surprise bloom

    Comet 17P/Holmes abruptly brightened last month, blossoming into a naked eye object.

    By
  11. Health & Medicine

    Bone Builder: Drug may offer steroid users new protection against fractures

    A bone-growth medication called teriparatide outperforms the standard bone-preserving drug alendronate in people with steroid-induced osteoporosis.

    By
  12. Flawed Stem Cells Yield Fragile X Clues: Researchers study genetic disorder via discarded embryos

    The most common inherited cause of mental retardation arises when a mutated gene is shut down early in embryonic development.

    By
  13. Paleontology

    Back from the Dead?

    The long-term disappearance of creatures from the fossil record and their later reemergence can provide insights into ancient environmental conditions and the trustworthiness of the fossil record itself.

    By
  14. Physics

    Shadow World

    Physicists have found new evidence for a 10-year-old conjecture that bridges the gap between the many-dimensional space of string theory and more familiar theorizing.

    By
  15. Humans

    Letters from the November 17, 2007, issue of Science News

    Unequal opportunity “The Wealth of Nations” (SN: 9/1/07, p. 138) describes the difficulty of moving from exporting one product to exporting another in terms of a “distance” between various products. I would imagine, however, that a nation that already manufactures computers, for example, could easily move into calculators, but that the reverse might not be […]

    By