Search Results for: Forests

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5,510 results

5,510 results for: Forests

  1. Paleontology

    Ancient wood points to arctic greenhouse

    Chemical analyses of wood that grew in an ancient arctic forest suggest that the air there once was about twice as humid as it is now.

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  2. Health & Medicine

    Two markers may predict heart risk

    Two proteins that play a role in inflammation may serve as indicators of a person's risk of heart disease and stroke.

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  3. Ecosystems

    Risky High Life: Mountain creatures prove extra-vulnerable

    Some of the species hardest hit by climate change will be those living in particular mountain highlands.

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  4. Materials Science

    Metal Makeover

    Metallic glasses with extraordinary strength and corrosion resistance have been known for decades, but only recently have researchers been able to make such alloys on a large scale from inexpensive iron.

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  5. Astronomy

    Stellar Tantrums: Tracking the flaring cycles of other stars

    Astronomers are closely tracking the ebb and flow of magnetic activity and powerful flares on stars other than the sun.

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  6. Health & Medicine

    A Virus Crosses Over to Wild-Animal Hunters

    A potentially dangerous virus is moving from nonhuman primates to Africans who hunt and eat wild animals, a new study suggests.

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  7. Animals

    Thoroughly Modern Migrants

    Butterflies and moths are causing scientists to devise a broader definition of migration and this has raised some old questions in new ways.

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  8. They’re Sequencing a What?

    Announcements of new targets for genome sequencing are bringing celebrity to lesser-known twigs on the tree of life.

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  9. Earth

    Marsh Farming for Profit and the Common Good

    A move is now afoot to get farmers to embrace wetlands as part of their business.

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  10. 19261

    This article raised so many questions. Do children who play in the dirt get their increased immune resistance from phages in the dirt? Is there a phage connection in the AIDS story? Does the risk of dying of heart attacks have a phage connection? If so, is group A Streptococcus involved? Do we need a […]

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  11. Earth

    Clearing the Air: Ozone-killing bromine is on the decline

    Chemical analyses of Earth's lower atmosphere show that the overall concentration of bromine, a component of some potent ozone-destroying chemicals, has dropped by 5 percent since peaking in 1998.

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  12. Earth

    Satellites show Earth is greener

    Daily observations from space for nearly 2 decades indicate that our planet is getting greener.

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