Earth

  1. Earth

    Is Teddy a pollution magnet?

    Stuffed toys can accumulate high concentrations of potentially toxic air pollutants.

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  2. Earth

    Elevated pesticide threatens amphibians

    The survival of certain mountain-dwelling amphibians may be threatened by toxic pesticides that are blown uphill from distant agricultural lands in California's Central Valley.

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  3. Agriculture

    Organic Doesn’t Mean Free of Pesticides

    Even organic produce, especially root crops, can carry trace residues of long-banned pesticides.

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  4. Earth

    Nonstick Taints: Fluorochemicals are in us all

    A new federal study strongly suggests that all U.S. residents harbor measurable traces of fluorochemicals, compounds found in a host of consumer products.

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  5. Earth

    Roots of Climate: Plants’ water transport cools Amazon basin

    Field tests in the Amazon have for the first time measured daily and seasonal movements of soil moisture through the deep roots of trees.

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  6. Earth

    Antibiotics afield

    Antibiotics shed by livestock in manure can end up in crops or bound to soil, where they can foster disease-resistant germs.

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  7. Earth

    Global Wetting and Drying: Regions face opposing prospects for water supply

    In the next half century, rivers and streams in some parts of the world will diminish in flow, while waterways elsewhere rise in output, according to a new analysis of climate simulations.

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  8. Earth

    Sex and the sewage

    Chemicals in sewage sludge appear to have stunted the testes and fostered other reproductive-system changes in fetal lambs.

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  9. Earth

    Runaway Heat?

    A variety of changes in the Arctic is making the region darker and accelerating its warming climate.

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  10. Earth

    Volcanic Suppression: Major eruptions can reduce sea level

    Although scientists have known for years that major volcanic eruptions can temporarily cool Earth's climate, a team now suggests that such outbursts can temporarily cause sea level to drop for a while as well.

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  11. Earth

    Breaking Waves: Mangroves shielded parts of coast from tsunami

    Along a strip of India's southeastern coastline, trees protected certain villages from last December's tsunami, while waves wiped out neighboring settlements that weren't sheltered by vegetation.

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  12. Earth

    Iceberg Thrills

    The Ocean World Web site offers lessons devoted to icebergs, accompanied by dramatic images. Students can learn about the different colors of icebergs, their classification, and their life cycle. The Web site also presents the dangers that icebergs pose to people as well as their potential benefits to desert dwellers. It includes a glossary and […]

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