Uncategorized

  1. Health & Medicine

    Sleep doesn’t help old folks remember

    Reduced quality of slumber with age erases memory benefits of snoozing.

    By Tina Hesman Saey
  2. Earth

    Dirty air fosters precipitation extremes

    Changes to clouds encourage drought in dry areas and torrential downpours in moist places.

    By Janet Raloff
  3. Health & Medicine

    Mirrors can alleviate arthritis

    Swapped-hand illusion produces drop in pain ratings, preliminary study shows.

    By Laura Sanders
  4. Astronomy

    Supernova may have kicked off solar system

    Force of explosion could explain chemical mysteries contained within asteroids.

    By Nadia Drake
  5. Humans

    Future wars may be fought by synapses

    Neuroscientists consider defense applications of recent insights into how the brain works.