News

  1. Health & Medicine

    Keeping breathing steady and safe

    Scientists may have found a way to avoid the lowered breathing rate that comes from treatment with morphine or other opiate-based narcotics and anesthetics.

    By
  2. Astronomy

    Dusty times on Mars

    On July 1, a dust cloud emerged from Mars' Hellas Basin, and 3 days later it had become 1,800 kilometers wide, roughly one-fourth the Red Planet’s diameter.

    By
  3. Earth

    Greenland ice variation appears normal

    Changes in snowfall observed in parts of southern Greenland between 1978 and 1988 appear to be normal if gauged against the variations recorded in ice cores over the past 400 years.

    By
  4. Earth

    Cooking up a key chemical of life

    Researchers have simulated the conditions and ingredients found at hydrothermal vents to create pyruvic acid, an organic chemical vital for cellular metabolism.