News

  1. Physics

    Muon Manna? Particle shower may spotlight loose nukes

    Radiation from space may help border guards spot loose nukes stowed in shipping containers.

    By Peter Weiss
  2. Paleontology

    Was T. rex just a big freeloader?

    A new study suggests that an ecosystem like today’s African savanna could provide sufficient carrion to nourish a scavenger the size of a Tyrannosaurus rex.

    By Sid Perkins
  3. Animals

    Ants lurk for bees, but bees see ambush

    A tropical ant has perfected the un-antlike behavior of hunting by ambush, but its prey, a sweat bee, has developed some tricks of its own.

    By Susan Milius
  4. Physics

    Squirming through space-time

    In the exotic realm of curved space, the topography of space itself might provide a propulsion assist—albeit a tiny one.