Uncategorized

  1. Health & Medicine

    Study upgrades protons’ risk to DNA

    Proton radiation causes worse breaks in DNA than researchers had expected.

    By Janet Raloff
  2. Chemistry

    Membrane purifies gas

    Researchers have synthesized a membrane that may purify hydrogen more efficiently than conventional chemical methods do.

    By Aimee Cunningham

  3. Transplant reroutes cells from sperm to eggs

    Fish cells destined to become sperm can become eggs when transplanted into larvae.

    By Christen Brownlee
  4. Earth

    Finding dirty diesels

    Just a few diesel-fueled vehicles account for much of traffic-related soot.

    By Janet Raloff

  5. Buff and Brainy

    Physical exercise encourages brains to function at an optimum level, even if they're damaged or diseased.