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  1. Alcohol problems hit nearly 1 in 3 adults

    Nearly one in three recently surveyed U.S. adults reports having had serious alcohol problems at some time in their lives.

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  2. Health & Medicine

    Brain stem cells help Parkinson’s monkeys

    Transplants of human-brain stem cells triggered signs of improvement in monkeys with a Parkinson's disease–like disorder.

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  3. Math

    Math as a Civil Right

    A longtime activist in the civil rights movement now teaches that mathematical literacy is the key to full participation in the country's economy.

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  4. Humans

    Letters from the July 21, 2007, issue of Science News

    Quantum leak? Perhaps there need not be “degrees of quantumness” (“Degrees of Quantumness: Shades of gray in particle-wave duality,” SN: 5/12/07, p.