Search Results for: Forests

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5,510 results

5,510 results for: Forests

  1. Earth

    2009 Science News of the Year: Environment

    Recent monitoring (from a gondola in Washington state, shown) reveals that rates of tree death are up. Credit: Univ. of Washington Routine tree deaths doubled Small background rates of everyday tree death have doubled in old-growth, western forests since 1955, possibly because of climate change, researchers report (SN: 2/14/09, p. 8). In 76 plots with […]

    By Science News
  2. Animals

    Wolverine: Climate warming threatens comeback

    BLOG: New data point to unexpected sociability and filial behavior in carnivore.

    By Janet Raloff
  3. Tech

    Trading Forests for Coal

    Forested mountain peaks have been giving way to grassy planes in Appalachian coal country.

    By Janet Raloff
  4. Physics

    Supertwisty light proposed

    Researchers suggest a never-before-imagined property of electromagnetic fields that could one day yield new types of sensors.

    By Alexandra Witze
  5. Animals

    Chimps may be aware of others’ deaths

    Reactions of chimps to dead companions and infants suggest a basic realization of what death entails.

    By Bruce Bower
  6. Health & Medicine

    Cooling stroke patients from the inside out

    A treatment that induces hypothermia proves safe in an early test.

    By Nathan Seppa
  7. Plants

    Climatic effects of tree-killing hurricanes

    A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.

    By Sid Perkins
  8. Tech

    Tar sands ‘fingerprint’ seen in rivers and snow

    A new study refutes a government claim (one echoed by industry) that the gonzo-scale extraction of tar sands in western Canada — and their processing into crude oil — does not substantially pollute the environment.

    By Janet Raloff
  9. Tech

    Coal Country’s New Foresters

    New techniques may be shaving a century or two off the recovery of mined mountain tops.

    By Janet Raloff

  10. The incredible shrinking solar cell

    With lilliputian collectors, almost anything could be sun-powered.

    By Janet Raloff
  11. Life

    Death-grip fungus made me do it

    Infection may be driving ants to set their jaws in low-hanging leaves before they die.

    By Susan Milius
  12. Climate

    Cultivation changed monsoon in Asia

    The loss of forests in India, China during the 1700s led to a decline in monsoon precipitation.

    By Sid Perkins