News

  1. Materials Science

    Clever Coating: New polymer may prolong life of medical implants

    Coating medical implants such as glucose sensors and coronary stents with copper-doped polymers could dramatically extend the devices' functioning.

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  2. Earth

    An Ounce of Pollution: Particles’ harm varies by person, region, season

    A gram of small, air-polluting particles has deadlier effects in certain seasons and regions of the country than in others, and particulate pollutants may disrupt heart function most in people who already have cardiovascular problems.

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  3. Astronomy

    Alien Light: Extrasolar planets are detected in new way

    Two teams of scientists report that they have for the first time directly detected the glow of planets that circle sunlike stars hundreds of light-years from Earth.

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  4. Paleontology

    Old Softy: Tyrannosaurus fossil yields flexible tissue

    Scientists analyzing fragments of a Tyrannosaurus rex's leg bone have recovered soft, pliable material, including structures that apparently are cells and blood vessels.

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  5. Health & Medicine

    Plants take bite out of deadly snake venoms

    A Nigerian pharmacologist has found in local plants a potential antidote to some of the world's most deadly snake venoms.

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  6. Health & Medicine

    Flame retardants spark new concern

    Breakdown products in brominated flame retardants, traces of which circulate in the blood of most people, may perturb the normal production of reproductive hormones, a new test-tube study suggests.

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  7. Earth

    Paint additive hammers coral

    A pesticidal additive in the paint applied to ship hulls may be contributing to the worldwide decline of corals.

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  8. Animals

    Ant larvae sway to say, ‘Feed me!’

    The most detailed study yet of body language of ant larvae translates a swaying motion as begging for food and a chance at a better future.

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  9. Planetary Science

    Jupiter as mirror for the sun’s X rays

    X rays emanating from Jupiter's midriff actually originate on the sun, new observations show.

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  10. College may endow memory to old brains

    College-educated older adults recruit new brain areas to counteract some of the memory loss that occurs with aging, a new brain-imaging study suggests.

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  11. Health & Medicine

    New protease inhibitor looks promising

    An antiretroviral drug under development may work in patients for whom existing drugs fall short.

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  12. Physics

    Light’s Hidden Holdup: Reflected laser beams loiter a little

    Using an ultrashort pulse laser, physicists have measured a minuscule time delay that affects light reflecting off many surfaces.

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