News

  1. Chemistry

    Decon Green can clean up the most toxic messes, developers claim

    A new decontaminant could be a more benign alternative for cleaning up after chemical and biological accidents.

    By Rachel Ehrenberg
  2. Life

    Undereducated immune cells get aggressive with HIV

    Scientists discover a mechanism that makes some people resistant to infection with the AIDS virus.

    By Tina Hesman Saey
  3. Space

    New Hubble pictures suggest Milky Way fell together

    A preliminary analysis appears to strike a blow against the prevailing theory of galaxy formation.

    By Ron Cowen
  4. Health & Medicine

    U.S. childhood obesity rate continues to rise

    Only a few states buck the trend toward greater weight gain in kids age 10 to 17, a new survey shows.