Search Results for: Forests

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5,510 results

5,510 results for: Forests

  1. Climate

    Warming has already boosted insect breeding

    Museum records, publications suggest extra generations at same time as temperature increases

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  2. Plants

    Forest invades tundra

    The Arctic tundra is under assault from trees, with serious implications for global climate change.

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  3. 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 […]

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  4. Aping the Stone Age

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

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  5. Ecosystems

    Flowering plants welcome other life

    When angiosperms diversified 100 million years ago, they opened new niches for ants, plants and frogs.

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  6. Anthropology

    African pygmies may be older than thought

    A new DNA analysis indicates that pygmy hunter-gatherers and farming groups in Africa diverged from a common ancestral population around 60,000 years ago.

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  7. Book Review: Conservation Refugees: The Hundred-Year Conflict Between Global Conservation and Native Peoples by Mark Dowie

    Review by Rachel Zelkowitz.

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  8. Letters

    Biofuel feedback “The biofuel future” (SN: 8/1/09, p. 24) proved very enjoyable reading. However, the future and direction of biofuels will be determined by politicians, not scientists. Scientists seem to use crazy things like facts, research and logic to determine the most efficient way to convert plants to fuel. I find it incredible that we […]

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  9. Climate

    ‘Climate-gate’: Beyond the embarrassment

    The United Nations Climate Change meeting, which I arrive at tomorrow in Copenhagen, is currently deadlocked on more important issues than who said what impolitic thing about somebody else in a private email to a colleague.

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  10. All kinds of tired

    Donkeys sleep about three out of each 24 hours. Certain reef fish spend the night moving their fins as if swimming in their sleep. Some biologists argue that all animals sleep in some form or another. But identifying sleep can get complicated. Insects have brain architecture so different from humans’, for example, that electrophysiological recordings […]

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  11. Climate

    Boreal forests shift north

    As forests move northward and to higher elevations, they alter ecosystems and threaten to further heat the Arctic's already warming climate.

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  12. Animals

    Vocal abilities lost, found and drowned out

    Reports from the meeting of the American Ornithologists' Union

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