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  1. Earth

    Arctic Foulers: Foraging seabirds carry contaminants home

    When seabirds go out looking for food, they can bring home traces of pollutants that build up around their nesting colonies.

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  2. Earth

    Power-laden winds sweep North America

    There's more than enough wind power to satisfy the United States' energy requirements, a new analysis of weather data suggests.

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  3. 19572

    I was very glad to read of the research done by Stefano Pluchino with adult-mouse stem cells. I am, however, terribly disappointed with his comment that therapeutic trials in humans are 4 to 5 years away. As someone with multiple sclerosis and a scientific background, I see no reason why the timetable can’t be moved […]

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  4. Health & Medicine

    Brain Power: Stem cells put a check on nerve disorders

    Adult neural stem cells protect the brain against repeated episodes of inflammation in disorders such as multiple sclerosis by killing inflammatory immune cells.