Search Results for: Forests

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5,510 results

5,510 results for: Forests

  1. Earth

    Amazon forest could disappear, soon

    A new model that includes a forest's effect on regional climate shows that the Amazon rainforest could disappear in the next three decades, much more rapidly than previously expected.

    By Sid Perkins
  2. Animals

    Oops. Woodpecker raps were actually gunshots

    The knock-knock noises recorded last winter that raised hopes for rediscovering the long-lost ivory-billed woodpecker in Louisiana turn out to have been gunshots instead of bird noises.

    By Susan Milius
  3. Astronomy

    Something New on the Sun

    The sharpest visible-light images of the sun ever recorded are revealing puzzling, new features of sunspots, the dark regions where the sun's powerful magnetic field is concentrated.

    By Ron Cowen
  4. Paleontology

    Fossils Hint at Who Left Africa First

    Fossil skulls found in central Asia date to 1.7 million years ago and may represent the first ancestral human species to have left Africa.

    By Bruce Bower

  5. Code Breakers

    Scientists are altering bacteria in a most fundamental way.

    By Tina Hesman Saey
  6. Animals

    Wild Hair

    The technique of studying animals through genetic analysis of their fur gained fame with a political furor over lynx, but scientists have applied the technique to many other animals.

    By Susan Milius

  7. Encouraging signs but no woodpecker

    A birding team searching in Louisiana for the possibly extinct ivory-billed woodpecker heard a promising pattern of taps but did not see the bird or hear it calling.

    By Susan Milius
  8. Paleontology

    Veggie Bites: Fossil suggests carnivorous dinosaurs begat vegetarian kin

    Chinese rocks have yielded fossil remains of a creature that had rodentlike incisors and a hefty overbite, providing the first distinct dental evidence for plant-eating habits among theropod dinosaurs.

    By Sid Perkins
  9. Earth

    Shifting Sands

    Sand dunes can provide scientists with clues about ancient patterns of wind and precipitation.

    By Sid Perkins

  10. Africanized bees rescue loner trees

    Africanized bees pollinate some of the big Brazilian forest trees now stranded in the middle of cleared land away from their native pollinators.

    By Susan Milius
  11. Plants

    The Wood Detective

    Alex Wiedenhoeft belongs to the elite profession of wood identifier, the person to call when a crime investigator, museum curator, archaeologist, or patent attorney with an unusual client really needs to know what that splinter really is.

    By Susan Milius
  12. Archaeology

    Early New World Settlers Rise in East

    New evidence supports the view that people occupied a site in coastal Virginia at least 15,000 years ago.

    By Bruce Bower