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6,878 results

6,878 results for: Bears

  1. 19523

    Your article didn’t specify how strong the ultrasonic waves were or if any special conditions were required for these bubbles to form. I am curious to know if there’s a difference between the ultrasonic waves mentioned in your article and those in ultrasound exams of pregnant women. Andrea BikfalvyDowagiac, Mich. The article made me wonder […]

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  2. Earth

    Under Pressure: High-stress tests show surprising change in a mantle mineral’s behavior

    Compressing a common iron-bearing mineral to the pressures found deep within Earth makes the material much stiffer, which might explain why seismic waves travel particularly fast through some zones of rock.

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  3. Animals

    Mom bears more sons when she gets extra bouquets

    When researchers spiff up a male starling's courtship by delivering some extra bouquets to his mate on his behalf, the couple tends to produce more sons than usual.

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  4. Tech

    Artificial Animalcules

    Advances that include the first swimming micromachine and novel designs for similar devices are deepening scientists' understanding of the bizarre world of microscale liquids.

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  5. Chemistry

    Striking Oil: High-pressure processing minimizes trans fats

    Improvements in the techniques used to hydrogenate vegetable oils could soon fill store shelves with food products containing smaller percentages of unhealthful trans fats.

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  6. Chemistry

    Energy on Ice

    Recent efforts to unlock a frozen source of natural gas deep under the permafrost and ocean floor have energized prospects for a methane-hydrate industry.

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  7. Ecosystems

    Saving Sturgeon

    Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.

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  8. Humans

    From the August 17, 1935, issue

    Cactus gardening for a dry summer, Echo-sounding to locate fish, and suspended animation in humans.

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  9. Humans

    Letters from the April 23, 2005, issue of Science News

    The shark as red herring I’m sure you published “A Fishy Therapy,” (SN: 3/5/05, p. 154) in good faith, but I believe that claims for shark cartilage are not made seriously by anyone who studies the role of natural substances in cancer prevention. It was proved ineffective long ago. I think your article does a […]

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  10. Chemistry

    Hungry for Hydrogen: Microbes in hot springs feed on unlikely source

    Microbes dwelling in Yellowstone National Park's hot springs draw their energy not from sulfur but from hydrogen.

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  11. Decoding Garlic’s Pizzazz: Extract stimulates taste, temperature receptors

    Raw garlic's characteristic spiciness stems from its capacity to open channels on nerve cells that react both to tastes and noxious temperatures.

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  12. Animals

    The Trouble with Chasing a Bee

    Radar has long been able to detect high-flying clouds of insects, but it's taken much longer for scientists to figure out how to track your average bee.

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