News

  1. Earth

    Predicting geomagnetic storms

    Recent observations with an Earth-orbiting spacecraft may provide new ways to predict when solar temper tantrums will cause the geomagnetic storms that disrupt communications systems on Earth and harm satellites.

    By Ron Cowen
  2. Health & Medicine

    Stroke protection: A little fish helps

    As little as one serving of fish per month offers protection against the most common form of stroke.

    By Janet Raloff
  3. Ecosystems

    Why didn’t the beetle cross the road?

    Beetle populations confined to specific forest areas by roads seem to have lost some of their genetic diversity.

    By Susan Milius
  4. Health & Medicine

    Drug protects mouse eggs from radiation

    Mice protected by a drug from radiation-induced sterility have normal offspring.