Search Results for: Forests

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5,518 results

5,518 results for: Forests

  1. Chemistry

    Pollutants: Up in flames

    Forest fires have the potential to release toxic industrial and agricultural pollutants previously trapped on soil. After glomming onto smoke particles, these chemicals can hitch long-distance rides — sometimes across oceans — before they’re grounded and contaminate some new region, scientists report.

    By Janet Raloff

  2. Letters

    Hairy Ardi issue In the report on Ardi (“Evolution’s bad girl,” SN: 01/16/10, p. 22), the artist’s illustrations show her in fur. The fact that her purported descendants are relatively hairless has been popularized by Desmond Morris (The Naked Ape, 1967) and Elaine Morgan (The Descent of Woman, 1972). What is the paleoanthropologists’ evidence that […]

    By Science News
  3. Earth

    Wringing hope from crashing biodiversity

    Biodiversity losses have not slowed despite a treaty designed to protect variety in the natural world.

    By Susan Milius
  4. Health & Medicine

    Intentional weight loss in old age not detrimental, study finds

    Among obese group, those who shed pounds as part of diet study were less likely to die during follow-up years.

    By Nathan Seppa
  5. Life

    Trees of stone tell tropical tale

    Peruvian petrified forest offers insight into low-latitude conditions of millions of years ago

    By Sid Perkins
  6. Climate

    Fire

    Understanding long-term changes in wildfire patterns challenges scientists from multiple disciplines.

    By Solmaz Barazesh
  7. Earth

    A fresh look at Mount St. Helens

    Nearly 30 years after the peak’s major eruption, recovery has just begun.

    By Sid Perkins
  8. Animals

    Ants in the pants drive away birds

    Yellow crazy ants can get so annoying that birds don’t eat their normal fruits, a new study finds.

    By Susan Milius
  9. 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
  10. Animals

    Wolverine: Climate warming threatens comeback

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

    By Janet Raloff
  11. Tech

    Trading Forests for Coal

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

    By Janet Raloff
  12. 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