Feature

  1. Sticky Situations

    Bacteria find strength in numbers as members of huge, mucous-covered communities called biofilms that can stall, equip, and initiate fierce infections.

    By Jessa Netting
  2. Earth

    The Silence of the Bams

    If a nuclear explosion were set off in a cavity of the right size and shape, even a moderate-sized nuclear bomb might appear at long distances to be no bigger than a routine explosion used in mining.

    By Sid Perkins

  3. Telltale Heart

    Genetics is revealing the first steps in building a heart—the organ that is first to develop, subject to the most birth defects, and difficult to heal when damaged later in life.

    By Jessa Netting

  4. Faces of Perception

    Scientists who study face perception currently disagree strongly over whether newborn babies innately know what human faces look like and whether certain brain areas are solely responsible for distinguishing one face from another.