News

  1. Sleepy brains make memorable waves

    Precisely timed electrical discharges in two parts of the brains of sleeping rodents offer clues to how slumber may foster memories of recently learned material.

    By Bruce Bower
  2. Earth

    Dust devils produce magnetic fields

    Scientists who chase dust devils report that the tiny twisters can produce a small magnetic field that changes magnitude between 3 and 30 times per second.

    By Sid Perkins
  3. Health & Medicine

    Stress-prone? Altering the diet may help

    Tailoring a diet to fuel the brain with the precursor of a mood-enhancing chemical may help vulnerable individuals cope with stress.

    By Janet Raloff

  4. Mice can thank a hormone for the memories

    Oxytocin, a hormone previously implicated in mammalian sexual and maternal behavior, may play a role in social recognition in mice.