News

  1. Materials Science

    Toylike blocks make lightweight, strong structures

    Bucking trend toward reducing numbers of parts, MIT engineers suggest building planes from thousands of identical pieces.

    By Meghan Rosen
  2. Health & Medicine

    Clues emerge to explain allergic asthma

    Tests in mice reveal that allergens can trigger inflammation by cleaving a clotting protein.

    By Nathan Seppa
  3. Health & Medicine

    Gut-brain communication failure may spur overeating

    Restoring a depleted molecule in obese mice repaired their abnormal response to food.

    By Cristy Gelling
  4. Life

    Lab-grown heart has rhythm

    Researchers transform stem cells into contracting cardiac cells.

    By Jessica Shugart
  5. Animals

    Antarctic waters may shelter wrecks from shipworms

    Ocean currents and polar front form 'moat' that keeps destructive mollusks at bay.