Uncategorized

  1. Ant cheats plant; plant cheats back

    An Amazonian tree grows little pouches on its leaves to invite ants to move in and provide guard duty, but the tree drops the pouches from old leaves because ants ravage the flowers.

    By Susan Milius
  2. Astronomy

    Enlarging a Mars photo album

    A new set of more than 18,000 images of Mars, posted online in early October, features the sharpest picture of the Red Planet ever taken by an orbiting spacecraft.

    By Ron Cowen
  3. Tech

    Triggering genes in a flash

    A light pulse can activate or deactivate selected genes in cells.

    By Peter Weiss

  4. 19196

    The article claims that Lake Agassiz became the world’s largest lake.