Search Results for: Bears

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6,745 results
  1. Possible Worlds

    A growing number of reports highlight imagination's pervasive influence on thinking, one example of which is the surprisingly large proportion of well-adjusted preschoolers who play with make-believe companions.

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  2. Ecosystems

    One-Celled Socialites

    A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.

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  3. Health & Medicine

    A Carrot Rainbow (with recipe)

    There are more than aesthetic benefits from looking beyond orange when it comes to selecting carrots.

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  4. Health & Medicine

    A Fishy Therapy

    Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.

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  5. Bubble Trouble: Mad cow proteins may hitch a ride between cells

    Prions, the proteins behind mad cow disease, may travel between cells in bubbles called exosomes.

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  6. Math

    Life on the Scales

    A mathematical equation helps explain life processes on all biological scales, from molecules to ecosystems.

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  7. Earth

    Harm from Plastic Additive Challenged: Early exposure shows no ill effects

    Presumed exposure shortly after birth to a chemical ingredient in plastics shows no evidence of disrupting development in people, according to a small study of teens who, as newborns, received intensive medical care involving plastic hospital equipment.

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  8. Anthropology

    Humanity’s Strange Face

    New fossil finds in a Romanian cave fuel controversy over whether different, closely related species interbred on the evolutionary path that led to people.

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  9. Chemistry

    Nitrogen Unbound: New reaction breaks strong chemical link

    Researchers have developed a new way to turn nitrogen into ammonia that could improve upon an energy-intensive, 90-year-old method used to make fertilizers.

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  10. Animals

    Carnivores in Captivity: Size of range in wild may predict risk in zoo

    A survey of zoo reports of troubled animals suggests that the minimum size of a species' range predicts how well it will adapt to captivity.

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  11. Agriculture

    Learning from Studs

    Livestock gene banks offer dividends to researchers hoping to milk higher profits out of dairying.

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  12. Sit, Stay, Speak

    If dogs could verbally comment on the scientific study of canine minds and how they really think, it might sound something like this.

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