News

  1. Space

    Titan’s haze is dropping

    Change in elevation of cloudy layer suggests seasonal cycles on Saturn’s moon.

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  2. Health & Medicine

    Cell phone research suggests fetal risk

    Constant exposure of pregnant mice to devices’ radiation is linked to behavioral and brain abnormalities in offspring.

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  3. Earth

    Nanopollutants change blood vessel reactivity

    Tiny particles alter normal vessel functions, animal studies show.

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  4. Chemistry

    Better hydrogen storage process unveiled

    Scientists create a chemical switch that can catch and release the useful gas.

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  5. Humans

    Evolution takes Asian refuge

    Multiple humanlike species may have arisen in cold-weather retreats and then interbred with ancient people.