News

  1. Health & Medicine

    Stress and sleepless nights

    Insomnia is associated with increases in stress hormones, boosts that persist all day and night.

    By Damaris Christensen
  2. Physics

    Gecko toes tap intermolecular bonds

    For scurrying upside down on smooth ceilings and other gravity-defying feats, lizards known as geckos may exploit intermolecular forces between the surface and billions of tiny stalks under their toes.

    By Peter Weiss
  3. Physics

    New equation fits nitrogen to a T

    An elaborate, new equation that yields more accurate values for nitrogen's properties might have a multimillion-dollar impact in the cryogenic fluids industry.

    By Peter Weiss
  4. Tech

    Magnifier May Crack Crimes, Crashes

    Gumshoes equipped with a novel device for magnifying magnetic fields may spy clues on damaged, erased, or deliberately corrupted audio tapes and other magnetic media.