Earth

  1. Earth

    Cancer Causer? Researchers zero in on leukemia risks

    Researchers add to mounting evidence that household pesticide exposure may be a significant risk factor for childhood leukemia.

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  2. Earth

    Leaden impacts of gum disease, smoking

    Subtle bone loss associated with advanced gum disease can be linked to elevated lead concentrations in the blood.

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  3. Earth

    Ice age forest spruces up ecology record

    Scientists have recently discovered a 10,000-year-old forest buried in the sand in Michigan.

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  4. Earth

    Undersea volcano: Heard but not seen

    The search is on for an undersea eruption near the Japanese volcanic island chain.

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  5. Agriculture

    Apple pests stand up to antibiotics

    Scientists are concerned about new forms of antibiotic resistance cropping up in fire blight—a deadly disease of apple trees.

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  6. Agriculture

    Cocoa yields are mushrooming—downward

    A mushroom epidemic in Brazilian cacao trees, which has cut the production of cacao by 25 percent in 5 years, may be treatable with another fungus.

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  7. Earth

    Plants seen as unpredictable carbon sponge

    Changing land-use practices—especially in forests, croplands, and fallow areas—appear to play a far bigger role than anticipated in determining how much carbon gets removed from the air by vegetation.

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  8. Earth

    Hey polluters! This billboard’s for you

    Motorists generally like and respond to personalized billboard messages about when an engine tune-up may be warranted.

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  9. Earth

    Pollution Keeps Rain up in the Air

    New satellite data indicate that aerosol pollution can break up water droplets in clouds and stop rain.

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  10. Agriculture

    Afghanistan’s Seed Banks Destroyed

    On Sept. 10, scientists in Kabul reported the loss of Afghanistan’s principal agricultural insurance policy: two stores of carefully collected seeds, materials selected to represent the genetic diversity of native crops. Here, some of the wheat seed brought into the country by a convoy, this spring, is being stored pending redistribution to Afghan farmers. USAID […]

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  11. Agriculture

    Sprawling over croplands

    Satellite imagery indicates that sprawling urban development has been disproportionately gobbling up those lands best able to support crops.

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  12. Earth

    Chinese records show typhoon cycles

    Historical records compiled by local governments along China's southeastern coast during the past 1,000 years suggest that there's a 50-year cycle in the annual number of typhoons that strike the area.

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