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  1. Forget About It: How the brain suppresses unwanted memories

    Two newly discovered neural processes give people the ability to intentionally forget upsetting memories.

    By Bruce Bower
  2. Astronomy

    Shattering Find? Comet fragments show surprising uniformity

    Close observations of fragments of a comet indicate that its interior was remarkably similar to its surface, meaning that repeated solar heating didn't much change its outer layers.

    By Ron Cowen
  3. Health & Medicine

    Smoke This: Parkinson’s is rarer among tobacco users

    Life-long smoking cuts the chance of getting Parkinson's disease by about half.

    By Brian Vastag

  4. 19857

    This article says that “there may be some fundamental difference in susceptibility to nicotine addiction between people who develop Parkinson’s and those who don’t.”