Earth

  1. Agriculture

    A Dairy Solution to Mildew Woes

    Milk may prove the savior of some organic wines. Gray areas on these untreated grapes at Temple Bruer Wines reflect heavy powdery mildew damage. The grapes show splitting and “are useless,” notes Peter Crisp. Crisp This vine, treated with whey sprays, shows minimal mildew. Its grapes are acceptable for winemaking. Crisp This milk-sprayed vine also […]

    By
  2. 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.

    By
  3. 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.

    By
  4. Earth

    Ice age forest spruces up ecology record

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

    By
  5. Earth

    Undersea volcano: Heard but not seen

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

    By
  6. 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.

    By
  7. 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.

    By
  8. 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.

    By
  9. 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.

    By
  10. 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.

    By
  11. 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 […]

    By
  12. Agriculture

    Sprawling over croplands

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

    By