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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.

    By Bruce Bower
  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.

    By Brian Vastag
  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.

    By Julie Rehmeyer
  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.