Vol. 172 No. #20
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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.

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  2. Agriculture

    Insects laughing at Bt toxin? Try this

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

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  3. Tech

    Bucky shrink-wrap

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

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  4. Health & Medicine

    Too little sleep may fatten kids

    Lack of sleep may promote childhood obesity.

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  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.

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  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.

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  7. Plants

    Tough Frills: Ferns’ wimp stage aces survival test

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

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  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.

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

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

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  10. Astronomy

    Flare-Up: Comet Holmes’ surprise bloom

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

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  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.

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  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.

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  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.

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  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.

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  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 […]

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