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  1. Health & Medicine

    HIV drugs may stop cervical disease

    A drug combination given to people with HIV, the AIDS virus, helps knock out precancerous cervical lesions in some women.

    By Nathan Seppa
  2. Planetary Science

    Meteorites quickly reach Earth

    Fragments from collisions between large bodies in the asteroid belt can reach Earth in as little as 100,000 years.

    By Sid Perkins

  3. Worm to elephant: New genome targets

    The National Human Genome Research Institute has released a list of 18 wildly different creatures as targets for genome sequencing.

    By Susan Milius

  4. 19452

    Having just read “To Err Is Human,” I want to add some comments.