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
  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
  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
  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.

    By
  5. Health & Medicine

    Pill Puzzle: Do antibiotics increase breast cancer risk?

    A new study links antibiotic use to breast cancer, although it's not clear the drugs cause the disease.

    By
  6. Health & Medicine

    Drug Racing: Gene tied to HIV-drug response

    A genetic mutation more common in blacks than in whites increases the odds that people taking a common HIV medicine will suffer side effects that lead them to halt treatment.

    By
  7. Monkey Love: Male marmosets think highly of sex

    A new brain-imaging study in marmosets suggests that males sexually aroused by the scent of females may be thinking carefully before they mate, opposing the notion that nonhuman male mammals act purely upon a primal urge.

    By
  8. Earth

    Nanosponges: Plastic particles pick up pollutants

    Nanometer-scale polymer particles can extract pollutants from contaminated soil.

    By
  9. Earth

    Catching Waves: Ocean-surface changes may mark tsunamis

    A new theoretical model that describes a tsunami's interaction with winds may explain enigmatic observations associated with the waves and could lead to a technique for spotting them long before they hit shore.

    By
  10. Ecosystems

    Bird Dilemma: More seabirds killed when boats discard fewer fish

    A long-term study of great skuas shows that when fishing fleets discard less fish, birds that scavenge for waste make up for the loss by increasing attacks on other seabirds.

    By
  11. Neural Aging Walks Tall: Aerobic activity fuels elderly brains, minds

    Moderate amounts of regular walking improve brain function and attention in formerly sedentary seniors.

    By
  12. Physics

    Candy Science: M&Ms pack more tightly than spheres

    Squashed or stretched versions of spheres snuggle together more tightly than randomly packed spheres do.

    By