Feature

  1. Computing

    Virtual Surgery

    Computer simulations of blood flow in the heart allow doctors to test surgical innovations before trying them on patients.

    By Erica Klarreich
  2. Animals

    Not-So-Elementary Bee Mystery

    Old-style epidemiology casework combines with an array of 21st-century lab tests in the search for clues to the disappearance of honeybees.

    By Susan Milius
  3. Physics

    The Power of Induction

    A new technology based on classical electromagnetic theory uses oscillating magnetic fields to transfer electric power wirelessly across a room.

    By Davide Castelvecchi
  4. Math

    Mathematical Lives of Plants

    Mathematical models that capture the essence of biological growth mechanisms are beginning to reveal how plants develop structures with intriguingly elegant geometries.