Search Results for: Forests

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5,529 results

5,529 results for: Forests

  1. Aping the Stone Age

    Chimp chasers join artifact extractors to probe the roots of stone tools.

    By Bruce Bower

  2. Botanical Whales

    Adventures in the Tortugas reveal that seagrass fields need saving too.

    By Susan Milius
  3. Humans

    2009 Science News of the Year: Humans

    An artist’s illustration shows how a female Ardipithecus may have looked. An analysis of Ardi’s bones, uncovered from 1992 through 1997, was released this year. Credit: J.H. Matternes Ardi puts new spin on hominid evolution A 4.4-million-year-old partial female skeleton discovered in Africa, along with fossils from at least 36 of her comrades, provide the […]

    By Science News
  4. Life

    2009 Science News of the Year: Life

    Breeding records for sheep on Hirta offer an unusual opportunity to study inheritance. Image Credit: Arpat Ozgul Gentler winters shrink sheepWarming has trumped the benefits of fat to shrink sheep on the remote North Atlantic island of Hirta, a new analytical approach has revealed (SN: 8/1/09, p. 12). Weights for wild female Soay sheep dropped […]

    By Science News
  5. 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

  6. Evolution’s Bad Girl

    Ardi shakes up the fossil record.

    By Bruce Bower

  7. Starting Anew

    Scientists turn to lowly creatures to unlock the secrets of regeneration.

    By Susan Gaidos
  8. Plants

    Losing life’s variety

    2010 is the deadline set for reversing declines in biodiversity,  but little has been accomplished.

    By Susan Milius
  9. Earth

    A fresh look at Mount St. Helens

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

    By Sid Perkins

  10. The incredible shrinking solar cell

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

    By Janet Raloff

  11. Smoke from a Distant Fire

    Burning forests can send aerosols into the stratosphere and around the world.

    By Sid Perkins

  12. Tiny tubes, big riddles

    Carbon cylinders’ odd traits continue to stump scientists.

    By Rachel Ehrenberg