Earth

  1. Earth

    Bad for Baby: New risks found for plastic constituent

    Early exposure to bisphenol A, a building block of polycarbonate plastics, can trigger a variety of later health problems.

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  2. Earth

    Beware summer radon-test results

    Measuring household radon levels in summer may give misleadingly low results.

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  3. Earth

    Cholesterol boosts diesel toxicity

    Nanoparticles in diesel exhaust can activate genes that worsen cholesterol's damaging effects.

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  4. Earth

    Hammered Saws

    Sawfish, shark relatives that almost went extinct several decades ago, have now gained protection by international treaty.

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  5. Earth

    Asian Forecast: Hazy, Warmer—Clouds of pollution heat lower atmosphere

    Clouds of smoke and soot that blanket many regions of Asia heat the lower atmosphere by the same amount that rising greenhouse gases do.

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  6. Earth

    Slick Death: Oil-spill treatment kills coral

    Chemicals used to disperse marine oil spills are more harmful to coral than the oil itself.

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  7. Earth

    Metal spews from tires and brake pads

    A study in Stockholm says that tires and brake pads emit a variety of metal pollutants despite European regulations aimed at cleaning up these parts.

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  8. Earth

    Light reaches deep in southeast Pacific

    In a remote part of the southeastern Pacific where marine life is sparse, ultraviolet light penetrates to unprecedented depths.

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  9. Earth

    Signs of Life?

    Life's effects on a planet's terrain show up only in surprisingly subtle ways.

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  10. Earth

    Stunting Growth: Ozone will trim plants’ carbon-storing power

    Increasing ground-level ozone due to pollution will stifle the growth of vegetation in many regions, accelerating the buildup of planet-warming carbon dioxide in the atmosphere.

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  11. Earth

    Erosion accelerates along Alaskan coast

    Alaska's northern coast is falling into the sea at an accelerating rate.

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  12. Earth

    Birth of an Island: Megaflood severed Europe from Britain

    Hundreds of thousands of years ago, the spillover from an immense glacial lake carved a chasm that in a matter of weeks separated what is now Britain from continental Europe.

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