Earth

  1. Ecosystems

    Living Physics

    From green leaves to bird brains, biological systems may exploit quantum phenomena.

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  2. Plants

    Landscaper’s darling hybridizes into an environmental nuisance

    Variation underlies the Callery pear tree’s transformation .

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  3. Earth

    A little air pollution boosts vegetation’s carbon uptake

    Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.

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  4. Earth

    Fossil of a walking seal found

    A fossil skeleton discovered in the Canadian Arctic could represent a missing link in pinniped evolution.

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  5. Agriculture

    News from Experimental Biology

    Senior editor Janet Raloff blogs from the 2009 meeting gathering dozens of societies together in New Orleans

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  6. Climate

    EPA says greenhouse gases ‘endanger’ health

    Featured blog: New ruling is a likely first step toward federal moves to cut tailpipe emissions of carbon dioxide and more.

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  7. Earth

    An earlier appearance for the first land plants

    Fossilized pollen could show that modern land plants evolved earlier than thought.

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  8. Planetary Science

    Antarctic ecosystem holds unusual microbes

    Long isolated deep under a glacier, life thrives in dark, salty water by breathing iron and eating sulfates.

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  9. Earth

    Nickel down, oxygen up

    Researchers point to the early ocean's concentration of nickel as the possible start for events that allowed Earth's atmosphere to accumulate oxygen.

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  10. Animals

    Sonar causes rock-concert effect in dolphins

    Test of recorded sonar causes temporary hearing impairment in dolphins.

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  11. Health & Medicine

    Pet-ty injuries

    Pooch underfoot? It's all too common.

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  12. Chemistry

    Another type of traffic stress

    Scientists find signs of DNA damage from air pollutants spewed by cars and trucks.

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