Uncategorized

  1. Paleontology

    Learning from the Present

    New field studies of unfossilized bones, as well as databases full of information about current fossil excavations and previous fossil finds, are providing insights into how complete—or incomplete—Earth's fossil record may be.

    By Sid Perkins
  2. Astronomy

    Supernova Spectacular

    Studying starburst galaxies, relatively nearby galaxies that are undergoing a tremendous rate of star formation, may reveal how elliptical galaxies arose and black holes grew in the early universe.

    By Ron Cowen
  3. Humans

    From the July 15, 1933, issue

    LIVELY YOUNG MARMOSETS SURVIVE IN CAPTIVITY Two lively, chattering young marmosets are growing up in San Francisco without the slightest notion of what “rare specimens” they are.