News

  1. Earth

    Stunting Growth: Ozone will trim plants’ carbon-storing power

    Increasing ground-level ozone due to pollution will stifle the growth of vegetation in many regions, accelerating the buildup of planet-warming carbon dioxide in the atmosphere.

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  2. Health & Medicine

    Good Light: Sun early in life could protect against MS

    Childhood exposure to direct sunshine may protect people against developing multiple sclerosis later.

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  3. Weighting for Friends: Obesity spreads in social networks

    Obesity spreads as a social contagion through networks of friends and relatives, apparently because associating with overweight people encourages a laxer attitude toward weight gain.

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  4. Humans

    Universities seek armchair astronomers

    Scientists are recruiting online help from the public to classify the shapes of 1 million galaxies in never-before-viewed photographs.