Vol. 178 No. #12 Archives

More Stories from the December 4, 2010 issue

  1. Chemistry

    Skin is no barrier to BPA, study shows

    The new finding suggests handling store receipts could be a significant source of internal exposure to the hormone-mimicking chemical.

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  2. Health & Medicine

    MRIs pinpoint time of stroke

    Doing a magnetic resonance scan promptly when a patient arrives at a hospital could render more patients eligible for a time-sensitive clot-busting therapy that can limit brain damage.

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  3. Tech

    Coming soon: Holographic Skype

    The creators of the fastest telepresence system to date predict real-time 3-D TV in a decade.

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  4. Life

    Central dogma of genetics maybe not so central

    In thousands of genes, RNA frequently fails to accurately transcribe DNA.

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  5. Space

    EPOXI spacecraft encounters comet

    Passing within 700 kilometers of the peanut-shaped Hartley 2 nets detailed pictures.

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  6. Health & Medicine

    Immune gene variants help stop HIV

    Research on HIV-infected people who rarely develop AIDS might lead to better drugs or a vaccine.

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  7. Life

    Genome may be mostly junk after all

    A cross-species comparison suggests that more than 90 percent of the DNA in the human genome has no known function.

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  8. Humans

    Building a better bomb sniffer

    A new handheld device detects TATP, an explosive that is easy to make but hard to detect.

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  9. Psychology

    Aboriginal time runs east to west

    Some indigenous Australians envision time moving westward, suggesting that culture shapes how people think about this basic concept.

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  10. Life

    Will groom for snuggles

    Sooty mangabey and vervet monkey mothers charge a price, dictated by market forces, that other females must pay to touch their babies.

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  11. Animals

    Acidification may halve coral class of 2050

    Already shown to be a threat to established reefs, experiments show that changing ocean chemistry also threatens the establishment and survival of larvae.

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  12. Space

    Milky Way’s black hole may blow bubbles

    Astronomers have discovered two giant blobs of gamma ray–emitting gas above and below the galaxy’s center.

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  13. Psychology

    Many unhappy returns for wandering minds

    A cell phone–based survey finds that people frequently feel worse when their minds wander than when they focus on the moment.

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  14. Animals

    Cats drink using lap-and-gulp trick

    Felines imbibe by pulling up a column of fluid and then snatching a bit of it before it splashes back down.

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  15. Earth

    Warm spell spurred tropical biodiversity

    The number of plant species exploded in South America as atmospheric carbon dioxide, and temperatures, rose abruptly about 56 million years ago.

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  16. Health & Medicine

    A new way for blind mice to see

    A new type of prosthetic eye can analyze patterns of cell activity to reproduce images similar to those produced in normal vision.

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  17. Health & Medicine

    Mom’s past drug abuse may alter brain chemistry of offspring

    A new study in rats suggests that the lingering effects of adolescent opiate use may be passed on for two generations, even if the female is drug-free when she gets pregnant.

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  18. Health & Medicine

    Cocaine trumps food for female rats

    A study in rats finds that males prefer food over cocaine while females prefer the drug, a step toward better understanding of sex differences in addiction.

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  19. Animals

    DEET of the sea

    Before turning in for the night, some reef-dwelling fish apply a slimy mucus shield to deter biting bugs.

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  20. Health & Medicine

    Flick of a whisker can prevent stroke damage in rats

    A new study in animals suggests sensory stimulation could potentially provide a nondrug method for protecting human patients.

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  21. Science Future for December 4, 2010

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  22. Lenin’s Laureate by Paul R. Josephson

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  23. The Species Seekers by Richard Conniff

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  24. Leonardo da Vinci’s Giant Crossbow by Matthew Landrus

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  25. The Best American Science Writing 2010 by Jerome Groopman, ed.

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  26. Book Review: The 4 Percent Universe: Dark Matter, Dark Energy and the Race to Discover the Rest of Reality by Richard Panek

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  27. Book Review: Shark: In Peril in the Sea by David Owen

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  28. An engineer teaches her colleagues to share their toys

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  29. Tiny tubes, big riddles

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  30. The final climate frontiers

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  31. It’s enough to give you heartburn

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  32. Letters

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  33. Science Past from the Dember 3, 1960 issue

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  34. Death in a Small Package by Susan D. Jones

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