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  1. Earth

    Volcanic mineral caused rare cancer in Turkey

    In two Turkish villages, nearly half of all deaths since 1980 have resulted from a form of cancer caused by inhaling erionite, a brittle and fibrous volcanic mineral that looks similar to wool.

    By Ben Harder
  2. Planetary Science

    Another red spot, by Jove

    Jupiter has developed a second red spot, which is now visible in the predawn sky with a telescope 10 inches or larger.

    By Ron Cowen
  3. Astronomy

    Twin history

    The Milky Way and its nearest large galactic neighbor, Andromeda, are more alike than earlier evidence had indicated.

    By Ron Cowen
  4. Health & Medicine

    Experimental drug targets Alzheimer’s

    A novel drug reverses some Alzheimer's-type symptoms in mice.