News

  1. Physics

    Spinning Earth drags space

    Slight deviations of two Earth-circling satellites from their expected orbits appear to confirm a curious prediction from Einstein's relativity theory.

    By Peter Weiss
  2. Chemistry

    Cleaning up anthrax

    Chemists have developed catalysts that spur common oxidants to quickly destroy germs, including deadly anthrax spores.

    By Janet Raloff
  3. Astronomy

    Belt Tightening: Icy orbs are surprisingly small

    Objects in the distant reservoir of comets known as the Kuiper belt are intrinsically much brighter, and therefore smaller, than previously thought.

    By David Shiga
  4. Health & Medicine

    Lingering Loss: In 2-year diet trial, new pill keeps off weight

    Obese adults who lose weight during a year of taking an experimental diet drug, rimonabant, and dieting keep the weight off during the following year, if they continue the regimen.