Uncategorized

  1. Earth

    Corals keep eruption record

    Dust from a giant eruption is lodged within Florida coral.

    By Richard Monastersky
  2. Earth

    Mapping the Frozen Sky: Study looks at clouds from both sides now

    By combining simultaneous observations from satellites and ground-based instruments, scientists can generate a three-dimensional map of the size and distribution of ice particles in a cirrus cloud.

    By Sid Perkins
  3. Animals

    Male bats primp daily for odor display

    For the first time, scientists have described the daily routine of male sac-winged bats gathering to freshen the odor pouches on their wings.

    By Susan Milius
  4. Health & Medicine

    Stem cells repair rat spinal cord damage

    Using embryonic stem cells from mice, researchers restored some movement in paralyzed rats that had undergone a crippling spinal injury.