Search Results for: Forests

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5,496 results

5,496 results for: Forests

  1. Earth

    Woods to Waters: Wildfires amplify mercury contamination in fish

    Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.

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  2. Tech

    Transistors sprout inner forests

    By combining nanowires and conventional transistor structures, researchers are creating novel transistors with improved performance and the potential to be easily manufactured.

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  3. Earth

    Northern Refuge: White spruce survived last ice age in Alaska

    Genetic analyses of white spruce trees at sites across North America suggest that some stands of that species endured the harsh climate of Alaska throughout the last ice age.

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  4. Earth

    The Long Burn: Warming drove recent upswing in wildfires

    Major forest fires in the western United States have become more frequent and destructive over the past two decades, in step with rising average temperatures in the region.

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  5. Humans

    Letters from the September 23, 2006, issue of Science News

    Moo juiced? I live in Northern California, where forest-biomass power plants are common (“Radiation Redux: Forest fires remobilize fallout from bomb tests,” SN: 7/15/06, p. 38). One power plant takes the ashes that result and places them where cows forage. I’m wondering to what level of concentration this process will accumulate the cesium in organic […]

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  6. Humans

    Summer Reading

    The staff of Science News presents wide-ranging recommendations of books for readers to pack for their summer vacations.

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  7. Ecosystems

    Top-Down Lowdown: Predators shape coastal ecosystem

    The health of southern California kelp forests may depend more on the ecosystem's predator population than the forest's access to nutrients.

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  8. Tech

    Litmus test gets tiny

    When zapped by a laser, new, light-sensitive nanobaubles could provide a reading of pH, or how acidic or basic a solution is, even from deep inside living cells.

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  9. Oceans reveal secrets of viruses

    Scientists have completed the first survey of virus DNA in oceans around the world.

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  10. Mushroom Boom: Hobby records show climate-change boost

    Mushrooms in England are starting to pop up earlier and staying around later than they used to, according to 55 years of amateur naturalists' records.

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  11. Animals

    Too Few Jaws: Shark declines let rays overgraze scallops

    A shortage of big sharks on the U.S. East Coast is letting their prey flourish, and that prey is going hog wild, demolishing bay scallop populations.

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  12. Earth

    Cellulose Dreams

    Turning cellulose from plants into ethanol for fuel could help lower greenhouse-gas emissions—but the conversion is far from straightforward.

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