News

  1. Microbes

    Microbes signal deceased’s time of death

    In a study using mice, germs accompany the body’s decay in a consistent time sequence.

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  2. Climate

    Humans found guilty in climate change

    International panel’s confidence increases that society is responsible for global warming.

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  3. Planetary Science

    Curiosity gets the dirt on Mars

    The NASA rover completes an analysis of the first soil collected from Gale Crater.

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  4. Neuroscience

    An on-off switch for eating

    By triggering or silencing certain brain cells, scientists can get mice to feed or stop feeding regardless of hunger.

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  5. Life

    Newfound biological clocks set by the moon

    Two unrelated marine organisms have rhythms dictated by tides, lunar cycle.

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  6. Plants

    Hard-shelled seaweed survives by its loose knees

    Stringy joints between calcified algae’s segments don’t break easily under repeated stresses.

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  7. Earth

    Oxygen wafted into Earth’s atmosphere earlier than thought

    Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.

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  8. Psychology

    Mental rotation gears up by age 5 for both boys and girls

    Kid-friendly test suggests that the ability to visualize objects from different angles starts early.

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  9. Health & Medicine

    Dextrose rub helps newborns with low blood sugar

    Massaging the sugary gel into babies’ mouths may lessen the need for intravenous infusions of glucose, a study shows.

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  10. Life

    Killer cells trained on leukemia may protect some people

    Immune system seems to remember cancer in people who've never had it, a new study suggests.

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  11. Neuroscience

    Scented naps can dissipate fears

    People unlearned an odor's unpleasant accompaniment when they smelled it in their sleep.

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  12. Health & Medicine

    Home births more risky than hospital deliveries

    Babies born at home are more likely to lack pulse after five minutes.

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