News

  1. Physics

    New supergas debuts

    A cloud of ultracold potassium atoms, manipulated by means of a magnetic field, has coalesced into a new super form of matter called a fermionic condensate.

    By Peter Weiss
  2. Health & Medicine

    Some T cells may be a fetus’ best friend

    While pregnant, mice overproduce a kind of T cell that reins in other immune cells that might target the fetus.

    By Nathan Seppa
  3. Planetary Science

    A view of Mars, European style

    Although the Mars lander Beagle 2 is presumed dead, its mother craft, the European Space Agency's Mars Express, has transmitted its first data from a polar orbit about the Red Planet.

    By Ron Cowen
  4. Tech

    The rat in the hat

    A compact positron-emission tomography (PET) brain scanner may make possible studies of awake rats that link brain functions and behaviors.