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  1. Earth

    Nanopollutants change blood vessel reactivity

    Tiny particles alter normal vessel functions, animal studies show.

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  2. Earth

    Volcanoes’ message to airplanes: Ash-filled skies are not so friendly

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  3. Chemistry

    Better hydrogen storage process unveiled

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

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  4. Humans

    Evolution takes Asian refuge

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

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  5. Life

    Geneticists go ape for better primate family tree

    The first gorilla genome and a more detailed look at chimp genetics provide new clues to evolution of humans and their closest relatives.

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  6. Health & Medicine

    Retina can help reveal brain health

    Among older women, diseased blood vessels at the back of the eye are linked to lower scores on mental tests and other signs of possible ministrokes.

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  7. Earth

    Greek volcano reawakens

    Potential eruption wouldn’t be anything like Santorini’s storied Bronze Age blowout, scientists say.

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  8. Life

    Size doesn’t matter for crayfish’s one-two crunch

    Biological deception may give crustaceans an advantage during a fight.

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  9. Humans

    Teens win big at science competition

    The top awards in the 2012 Intel Science Talent Search go to young scientists working on cancer, innovative sources of energy and behavioral genetics.

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  10. Life

    Tracking the viral link to lymphoma

    A mutation in an anticancer gene in the Epstein-Barr virus may account for some of its malignant effect, research shows.

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  11. Psychology

    Pi master’s storied recall

    Remembering more than 60,000 consecutive numbers takes exhaustive practice at spinning yarns.

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  12. Life

    Mild winters may shift spread of mosquito-borne illness

    By pushing insects to start biting mammals earlier in the year, warmer cold months could increase the transmission of a brain virus affecting people and horses.

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