News

  1. Earth

    Main source of airborne pollen varies by month

    A 15-year study conducted in the New York City area charts how air concentrations of different types of allergy-causing pollen vary throughout an average year.

    By Ben Harder
  2. Materials Science

    Greenhouse Glass: Squeezing and heating carbon dioxide yields exotic, see-through solid

    Researchers have forged solid glass from carbon dioxide.

    By Peter Weiss
  3. Health & Medicine

    Wasting Away: Prozac loses promise as anorexia nervosa fighter

    Although often prescribed for people with anorexia nervosa, the popular antidepressant medication Prozac offers no better protection against the potentially fatal eating disorder than placebo pills do.

    By Bruce Bower
  4. Paleontology

    Ancient webbed masters

    Newly unearthed fossils of a 110-million-year-old bolster the notion that all modern birds evolved from aquatic ancestors.