Uncategorized

  1. Astronomy

    Huge solar flares hit far-flung craft

    Spacecraft throughout the solar system have detected material spewed into space by a group of huge solar flares late last year.

    By Sid Perkins
  2. Humans

    Simple water filter can nail arsenic

    Field tests suggest that people who live in areas with arsenic-tainted aquifers may be able to purify their drinking water by passing it through a low-tech, low-cost filter that includes a bed of iron nails.

    By Sid Perkins
  3. Earth

    Killer weather on Mount Everest

    An analysis of weather patterns around Mount Everest in May 1996, when eight climbers died, suggests that a sudden drop in barometric pressure may have played a significant role in the deaths.