Search Results for: Forests

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5,528 results

5,528 results for: Forests

  1. Ecosystems

    U.S. bird populations in decline, report says

    Secretary of the Interior Ken Salazar releases a review of U.S. bird populations.

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  2. Life

    Genes help monarchs migrate

    At least 40 genes help monarch butterflies find their way to overwintering sites in Mexico.

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  3. 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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  4. Earth

    A little air pollution boosts vegetation’s carbon uptake

    Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests.

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  5. Plants

    Oops, missed that tree

    Until now, an acacia common in its African homeland had no scientific name

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  6. Plants

    Climatic effects of tree-killing hurricanes

    A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.

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  7. Animals

    Caterpillars’ chirp could be scary

    Larvae of great peacock moths might signal that they’ll put up a fight.

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  8. Health & Medicine

    Keeping artery plaques under control

    Toning down a gene called CHOP may offer a way to reduce the risk of arterial plaque ruptures, which can cause heart attacks and strokes, a study in mice shows.

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  9. Life

    Almost complete primate fossil described

    Ida provides details about life in the Eocene.

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  10. Animals

    For some birds, chancy climates mean better singers

    In the mockingbird family, the most accomplished musical species tend to live in treacherous climates.

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  11. Animals

    No Early Birds: Migrators can’t catch advancing caterpillars

    Pied flycatcher numbers are dwindling in places where climate change has knocked the birds' migration out of sync with the food-supply peak on their breeding grounds.

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  12. Sharing the Health: Cells from unusual mice make others cancerfree

    Immune-cell transplants from an extraordinary strain of mice that resists cancer can pass this trait to mice that aren't as lucky.

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