News

  1. Life

    H1N1 racks up frequent flier miles

    Analyzing global flight paths may help researchers track pandemics, as a new study on H1N1 shows.

    By Laura Sanders
  2. Earth

    Dirty snow may bring green burst to mountain peaks

    Dust blowing in from distant deserts speeds the melting of snow and may shake up ecosystems on the slopes.

    By Susan Milius
  3. Life

    Protein protects sperm in mice

    A protein called GPX5 helps protect sperm from oxidative damage. The finding could help prevent birth defects.

    By Tina Hesman Saey
  4. Health & Medicine

    Rheumatoid arthritis drug clears hurdle

    Anti-inflammatory injections of golimumab work in people with rheumatoid arthritis who failed to improve on other meds.