Search Results for: Forests

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5,531 results

5,531 results for: Forests

  1. 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

  2. Code Breakers

    Scientists are altering bacteria in a most fundamental way.

    By Tina Hesman Saey
  3. 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

  4. 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
  5. 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
  6. Earth

    Shifting Sands

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

    By Sid Perkins
  7. 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

  8. 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
  9. 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
  10. Math

    Doing the Wave

    It was the first home game of the season for the University of Maryland football team. About 48,000 fans had crowded into Byrd Stadium to watch the Terrapins take on the University of Akron Zips. Inevitably, during a lull in what turned out to be a rather one-sided contest, the assembled spectators created their own […]

    By Ivars Peterson
  11. Ecosystems

    Are They Really Extinct?

    A few optimists keep looking for species that might already have gone extinct.

    By Susan Milius
  12. Earth

    New test traces underground forest carbon

    An unusual method of studying soil respiration by girdling trees may clear up several vital mysteries in the way carbon cycles through forests.

    By Susan Milius