Uncategorized

  1. Astronomy

    X-ray satellite goes the distance

    Using the sharp X-ray eye of an orbiting observatory, astronomers have employed a novel method to measure distance within the Milky Way.

    By Ron Cowen

  2. Leggy beetles show how insects lost limbs

    Inactivating two genes in red flour beetles causes grubs to grow lots of legs—and provides clues to the puzzle of the evolution of the six-legged body plan.

    By Tina Hesman Saey
  3. Paleontology

    Africa’s east coast netted ancient humans

    Excavations of an exposed reef on Africa's Red Sea coast indicate that humans lived there 125,000 years ago, pushing back the date for the earliest seaside settlement by at least 10,000 years.

    By Bruce Bower
  4. Humans

    From the October 22, 1932, issue

    SUN, MOON AND STARS IN THE MOVIES Joshua, it is recorded, commanded the sun and the moon to stand still and they obeyed him.