News

  1. Life

    Young flies cannibalize the plump

    An evolutionary biologist’s modest proposal shocks colleagues who thought they knew everything about their favorite laboratory organism.

    By Susan Milius
  2. Paleontology

    Not your typical pterosaur

    A beautifully preserved fossil from Germany displays a wing unlike any ever seen.

    By Janet Raloff
  3. Life

    Trout nose cells follow magnetic fields

    Iron-rich tissue may be at root of a biological compass.

    By Devin Powell
  4. Life

    Egg production after birth questioned

    A study finds no evidence of stem cells in adult mouse ovaries, suggesting female mammals really are born with all the gametes they’ll ever have.

    By Tina Hesman Saey
  5. Microbes

    Killing with the flip of a switch

    A single genetic transformation turns mild-mannered bacteria into assassins.