Uncategorized

  1. Life

    Great-grandpa’s genes gone, effects stay

    Removing an obesity-preventing scrap of DNA from a mouse lineage doesn’t prevent descendants from reaping its slimming benefits for generations.

    By Laura Sanders
  2. Humans

    Just breathing in Iraq can be hazardous

    Poor air quality is an added danger for troops, testing indicates.

    By Rachel Ehrenberg
  3. Health & Medicine

    New drug boosts hepatitis C treatments

    An experimental medication has cleared a major hurdle and seems poised for FDA approval, two studies show.

    By Nathan Seppa
  4. Space

    First portraits of Mercury from orbit

    MESSENGER spacecraft to capture more than 1,500 images in three days.

    By Ron Cowen
  5. Physics

    2011 American Physical Society meeting

    Powerful X-rays illuminate hidden messages from the past, plus Lyme disease sensors and graphene transistors in meeting news.