Uncategorized

  1. Trashed proteins may help immune system

    Up to 30 percent of a cell's proteins get recycled as soon as they roll off the cellular assembly line.

    By John Travis
  2. Earth

    Moderate flows help carve rivers

    Measurements of erosion in a rocky river channel in Taiwan suggest that the day-to-day flow of water accounts for more rock wear there than occasional catastrophic floods do.

    By Sid Perkins

  3. Gene found for big, firm sheep rumps

    Scientists have found the gene that gives sheep unusually big, muscular bottoms.

    By Susan Milius
  4. Astronomy

    Are solar eruptions triggered a loopy way?

    Astronomers have identified a new solar mechanism that may explain some coronal mass ejections.