Earth

  1. Earth

    Spotting danger from on high

    Airborne sensors can identify mineral outcrops and soil that may contain natural asbestos.

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  2. Earth

    A source of haze

    Scientists identify how a hydrocarbon commonly emitted by plants is converted to light-scattering aerosols.

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  3. Science & Society

    News of science: Choose wisely

    As the 'news' industry evolves, consumers who value quality science journalism may need to become ever more discriminating.

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  4. Earth

    On plant invaders and bat fungus

    Researchers discuss invasive species and bat-infecting fungi at the Botany & Mycology 2009 meeting

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  5. Health & Medicine

    When BPA-free isn’t

    A type of plastic that shouldn't contain a hormone-mimicking ingredient may have it anyway, Canadian government scientist find.

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  6. Ecosystems

    Churning the numbers

    Some of the ocean’s small swimmers may be having a big impact on ocean mixing.

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  7. Earth

    Comet likely culprit in Tunguska blast

    Analysis of shuttle plume movement suggests Tunguska event could have caused clouds over London.

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  8. Agriculture

    How weed killers might protect our eyes: It’s corny

    Herbicides can boost trace-nutrient concentrations in sweet corn.

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  9. Chemistry

    CO2 sponge

    Macromolecule that was accidentally discovered seems to trap carbon dioxide from the air.

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  10. Earth

    Salty water power

    A study reports a new, cheaper way to harvest energy from salt water and fresh water.

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  11. Tech

    Electric grid still very vulnerable to electromagnetic weaponry

    BLOG: Smart grid advocates weigh in on the vulnerability of the U.S. electrical infrastructure to electromagnetic pulse radiation.

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  12. Paleontology

    Fossil shows first all-American honeybee

    Nevada find contradicts long-held view of Europe and Asia as the native land of all honeybees.

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