Uncategorized

  1. Health & Medicine

    Late nights and disease

    Getting too little sleep may lead to health problems. A new study shows that after only one night of sleep deprivation, women have higher levels of an inflammatory molecule linked to cancer, heart disease and other illnesses.

    By Tina Hesman Saey
  2. Space

    Snapshot of a planet beyond the solar system

    After years of false alarms, astronomers may finally have recorded the first image of a planet orbiting a sunlike star beyond the solar system.

    By Ron Cowen
  3. Math

    A knot of light

    Researchers find a new theoretical way to tie light into complex knots and links.

    By Julie Rehmeyer
  4. Materials Science

    A killer paint job

    New findings suggest that nanotechnology paints for walls, ceilings and surfaces could one day be used to kill antibiotic-resistant bacteria in hospitals.