News

  1. Alzheimer’s marker yields blood test

    Studies in mice suggest that it could be possible to screen blood for early, asymptomatic Alzheimer's disease.

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  2. Earth

    Not-So-Clear Alternative: In its air-quality effects, ethanol fuel is similar to gasoline

    Switching the nation's vehicles from gasoline to ethanol may not reduce air pollution.

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  3. Health & Medicine

    More Than Bit Players: Snippets of RNA might sway pancreatic cancer

    Small pieces of genetic material called microRNA might provide a preview of pancreatic cancer's aggressiveness and offer targets for combating the usually deadly disease.

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  4. Planetary Science

    Liquid Center: Mercury has a molten core, radar reveals

    Mercury is hot stuff: It's got a core that's at least partially molten, a new radar study of the planet's spin reveals.

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  5. Automatic Networking: Brain systems charge up in unconscious monkeys

    Even when monkeys are anesthetized, their brains show patterns of electrical activity similar to those exhibited during wakeful activity.

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  6. Physics

    Quantum Loophole: Some quirks of physics can be good for science

    Physicists have found a way to almost double measurement precision when using photons to gauge distances.

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  7. Talk to the Hand: Language might have evolved from gestures

    Language might have evolved from hand gestures, say researchers who study communication in chimpanzees.

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  8. Health & Medicine

    Less Is More (Bone): Yearly osteoporosis drug reduces fractures

    Older women with osteoporosis who received yearly infusions of a drug that prevents bone loss had far fewer fractures than did peers who didn't get the drug.

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  9. Planetary Science

    A solar forecast

    Solar activity, which waxes and wanes in an 11-year cycle, will most likely begin its next round in March 2008 and peak sometime between late 2011 and mid 2012.

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  10. Animals

    Spider blood fluoresces

    Among spiders, fluorescence under ultraviolet light seems to be a widespread trait.

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  11. Earth

    Lake Superior is warming faster than its local climate

    In recent decades, the waters of Lake Superior have warmed significantly faster than have air temperatures at nearby sites onshore, a trend caused in part by a long-term decrease in the lake's winter ice cover.

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  12. Anthropology

    Kin play limited role in chimp cooperation

    Male chimps collaborate in a variety of ways and, like people, often find partners outside of their immediate families for cooperative ventures.

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