News

  1. Paleontology

    Fossil birds sport a new kind of feather

    Two fossil specimens of a primitive, starling-size bird that lived about 125 million years ago have tail feathers that may hold the clues to how feathers originated.

    By Sid Perkins
  2. Materials Science

    Anyone want to knit a microscopic sweater?

    Microscopic polymer tubes can tangle themselves into a new and possibly useful structure—tiny "yarn balls" that flatten out and partly unravel in an electric field.

    By Peter Weiss
  3. Earth

    Lemon-scented products spawn pollutants

    Some fragrances used in home-care products can play a role in generating potentially harmful air pollution.

    By Janet Raloff
  4. Health & Medicine

    Drug aids destruction of lymphoma cells

    The drug rituximab, when added to chemotherapy, boosts survival rates in people with diffuse B-cell lymphoma, a kind of cancer.