Uncategorized

  1. Chimp Champ: Ape aces memory test, outscores people

    A young chimp outperforms college students on a test of recalling numbers glimpsed for less than a quarter of a second. With video.

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  2. Health & Medicine

    Sickle Save: Skin cells fix anemia in mice

    Using a new technique to turn skin cells into stem cells, scientists have corrected sickle cell anemia in mice.

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  3. Plants

    Botanists refine family tree for flowering plants

    Two research teams have used the biggest array of flowering-plant genes yet to try to reconstruct the elusive evolutionary history of today's flowers.

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  4. Physics

    Sharper than expected

    A new technique beats the resolution limits of ordinary microscopes in a way that seems to defy conventional optical theory.

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  5. Tech

    Tractor beam

    Magnetic nanoparticles selectively bind to specific bacteria and can drag them out of a liquid.

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  6. 19905

    This article says that American students’ science and math skills have been falling relative to those of their peers in other countries. How true. Recent tests put the United States in 14th place in an international comparison. But at least we are still in the top 10! Tom ReesorConway, S.C.

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  7. Humans

    Strategies to improve teaching

    Incorporating emerging data on how kids learn and cement ideas could help schools teach science more effectively, a new report argues.

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  8. Health & Medicine

    Putting tumors on pause

    Keeping benign breast tumors from progressing into a malignant cancer can be achieved in mice by reducing a signaling protein.

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  9. Health & Medicine

    Diabetes drug shows new potential

    Exendin-4 (exenatide) might complement a drug called anti-CD3 monoclonal antibody in reversing type 1 diabetes, a study in mice shows.

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  10. Humans

    Divorce is not ecofriendly

    Divorce often takes a devastating toll on families, but it has significant impacts on the environment as well.

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  11. Health & Medicine

    Malaria’s new guises

    Scientists have observed Plasmodium falciparum enjoying three distinct lifestyles—two of which have never been seen before—in the blood of infected children.

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  12. Agriculture

    Lettuce Liability

    A new industry program to self-regulate most salad producers is forcing affected farmers to choose between adopting measures unfriendly to wildlife and a loss of major markets for their greens.

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