News

  1. Life

    Bacteria in bondage

    Cells unleash proteins to cage unwanted invaders.

    By Tina Hesman Saey
  2. Health & Medicine

    Scooters save lives of snakebite victims

    Nepal project achieves dramatic drop in deaths by using motorbike helpers to rush the stricken to hospital.

    By Nathan Seppa
  3. Health & Medicine

    E. coli evade detection by going dormant

    When stressed, bacteria can temporarily turn comatose and dodge germ-screening tests.

    By Janet Raloff
  4. Space

    Distant world looks ripe for life

    Extrasolar planet hunt spots its most Earthlike orb yet.

    By Nadia Drake
  5. Humans

    DNA highlights Native American die-off

    A genetic analysis points to widespread New World deaths after Europeans arrived.