News

  1. Sunny Solution: Lotion speeds DNA repair, protects mice from skin cancer

    Snippets of DNA that activate a cell's DNA repair process may protect mice from skin cancer caused by ultraviolet radiation.

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  2. Planetary Science

    Red Planet Makes a Splash: Rover finds gush of evidence for past water

    A robotic rover on Mars has gathered what scientists are calling the best evidence to date that liquid water once flowed on the Red Planet.

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  3. Chemistry

    Clean hydrogen fuel from corn?

    A new reactor can convert ethanol from corn into hydrogen fuel with enough efficiency to make the process economical.

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  4. Tech

    Silicon goes optical

    The advent of a fast, light-manipulating microdevice made from silicon suggests that speedy optical-fiber links now too expensive for broad use in businesses and homes may soon become widespread.

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  5. Health & Medicine

    Quantum sentinels

    Quantum physics may soon help physicians track whether a cancer has spread.

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  6. Health & Medicine

    Gene transfer puts good fats in mammals

    Scientists have used a worm gene to genetically engineer mice whose tissues are unusually rich in the heart-healthy fats found mainly in fish.

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  7. Astronomy

    Pulsar pas de deux

    Astronomers have for the first time discovered two pulsars orbiting each other, offering the chance for new precision tests of Einstein's theory of general relativity.

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  8. Keeping abreast of serotonin’s roles

    Serotonin, a chemical typically associated with the brain, also controls milk production in mammary glands.

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  9. Health & Medicine

    Averting Pain: Epilepsy drug limits migraine attacks

    A drug normally used against epilepsy can prevent migraine headaches.

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  10. Paleontology

    Old Colonies: Ancient formations are termites’ legacy

    New analyses of mysterious pillars at two sites in southern Africa suggest that the sandstone features are petrified remains of large, elaborate termite nests.

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  11. Song Sung Blue: In brain, music and language overlap

    Different classical-music passages facilitate thinking about specific verbal categories, triggering brain responses previously seen only when people recognized related linguistic meanings.

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  12. Animals

    Fox Selection: Bottleneck survivors show surprising variety

    Foxes native to a California island—famous for the least genetic diversity ever reported in a sexually reproducing animal—have some variation after all.

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