All Stories

  1. Life

    New titi monkey, at last

    Travel risks in parts of Colombia had kept primatologists out for decades.

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  2. Tech

    Research trials pose challenge to medical privacy

    How — or even whether — to share a medical data collected on research subjects poses a growing dilemma. Certainly, doctors would benefit from knowing if their patients had been receiving medicines, physical therapies or dietary supplements. Or if a patient had a history of drug abuse, mental illness, sexually transmitted diseases or engaging in risky behaviors. But in the wrong hands, such sensitive data could compromise an individual’s ability to keep a job — even retain shared custody rights to children during a contentious divorce.

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  3. Health & Medicine

    Delivering a knockout

    Scientists have finally succeeded in genetically engineering rats.

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  4. Haiti quake reveals previously unknown fault

    Scientists say the risk of future temblors in region is unclear.

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  5. Life

    How salmonella helps kill cancer cells

    A bacterial foe gives the immune system a boost to seek and destroy melanoma. The findings may point to a vaccine for melanoma and other malignancies.

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  6. Archaeology

    Lucy’s kind used stone tools to butcher animals

    Animal bones found in East Africa show the oldest signs of stone-tool use and meat eating by hominids.

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  7. Chemistry

    Superconductors go fractal

    Oxygen atoms arrange themselves in a self-similar pattern to help conduct electricity without resistance.

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  8. Life

    Orangutans can mime their desires

    Animals’ ability to act out what they want suggests an understanding of others’ perspectives, researchers say.

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  9. Health & Medicine

    Spindles foster sound slumber

    In “a very clever study,” researchers show that distinctive brain signals help sustain sleep in noisy environments.

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  10. Earth

    Forest loss slows in Brazilian Amazon

    Between 2004 and 2009, the rate of clearing dropped almost 75 percent.

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  11. Health & Medicine

    ‘Miracle’ tomato turns sour foods sweet

    Pucker no more: That seems to be one objective of research underway at a host of Japanese universities. For the past several years, they’ve been developing bio-production systems to inexpensively churn out loads of miraculin — a natural taste-altering protein that makes sour foods seem oh so sweet. Their newest biotech reactor: grape tomatoes.

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  12. Life

    Aphids, abandon ship

    Warm, humid mammal breath drives the insects to jump off plants.

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