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  1. Katrina’s Two-Sided Impact: Survey finds disorders, resilience after tragedy

    In the year after surviving Hurricane Katrina, Gulf Coast residents experienced a surge in serious mental disorders combined with elements of personal growth and emotional resilience.

    By Bruce Bower
  2. Planetary Science

    Doggone! Pluto gets a planetary demotion

    The solar system has only eight planets, and Pluto isn't one of them, according to the first-ever definition of a planet, approved last week by the General Assembly of the International Astronomical Union.

    By Ron Cowen

  3. 19726

    I was sorry to learn Pluto did not qualify as a planet (“New Solar System? Twelve planets and counting,” SN: 8/19/06, p. 115, and this article). Pluto has a diameter comparable with the Earth’s moon.