Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.

  1. Science & Society

    Scientist profile: Leroy Hood

    The inventor of the DNA sequencing technique, and Albert Lasker Awardee, embarks on the next big challenge.

  2. Animals

    Secrets of the world’s extreme divers

    For emperor penguins and other animals, being able to hold their breath the longest could be in the blood

  3. Life

    Full-body taste

    Turns out that the tongue isn’t the only place where the body can taste what you ate.

  4. Health & Medicine

    A framework for growing bone

    A promising new material could help encourage damaged or broken bones to grow back.