Feature

  1. Earth

    Earth’s stratosphere is a mysterious superhighway for microbes

    Well-known microbes that grow on our crops, our gardens, even our skin have been found thriving at two to three times the flying height of a commercial jetliner.

    By Douglas Fox
  2. Health & Medicine

    Ultrasound aimed at the brain offers new hope for Parkinson’s patients

    A noninvasive treatment called high-intensity focused ultrasound helped relieve the shaking, stiffness and pain that accompany Parkinson’s disease.

    By Laura Sanders
  3. Health & Medicine

    New tools may help diagnose Parkinson’s earlier than ever

    From special pens to earwax evaluations, a plethora of emerging diagnostics could one day be a major boon for people with the debilitating disease.