Uncategorized

  1. Materials Science

    Self-Sutures: New material knots up on its own

    Researchers have used a new biodegradable material to make surgical sutures that knot and tighten themselves as they warm to body temperature.

    By Jessica Gorman
  2. Math

    Getting Clobbered

    Clobber is a new two-person game that’s easy to learn and fun to play and, for the mathematically inclined, rife with analytical possibility. Initial placement of white and black stones on a 5 x 6 rectangular board. The “standard” game is played on a rectangular grid of squares–say, a portion of a checkerboard. One player […]

    By Ivars Peterson
  3. Anthropology

    Attack of the Ancestor: Neandertals took a stab at violent assaults

    The pieced-together fragments of a 36,000-year-old Neandertal skull reveal a bony scar caused by a blow from a sharp tool or weapon.