News

  1. Life

    Little animals spread sperm for smelly mosses

    Sex-specific odors may entice springtails to kick off fertilization.

    By Susan Milius
  2. Math

    Test decodes dolphins’ math skills

    Dolphins could use mental math to locate prey in clouds of bubbles.

    By Meghan Rosen
  3. Health & Medicine

    Sperm analyzed, one by one

    A close look at the sex cell’s DNA reveals basic molecular processes.

    By Tina Hesman Saey
  4. Space

    Black hole theory deepens lithium crisis

    A new proposal suggests a potential new source of the element as astrophysicists try to explain why it’s in such short supply.

    By Nadia Drake
  5. Health & Medicine

    Egg in tiny doses curbs allergy

    Giving allergic kids minuscule bits of problem food and gradually increasing it over many months wipes out reactions in some, a study finds.