Uncategorized

  1. Math

    Checking It Twice

    Election officials have had no practical way to guarantee a correct ballot count—until now.

    By Julie Rehmeyer
  2. Humans

    From the January 15, 1938, issue

    Radio-assisted snowplows, getting to know the "X" particle, and ancient frozen mammoths found in Siberia.

    By Science News
  3. Animals

    Secret Lives of Worms

    Colorful and compelling, this science-rich, 15-minute video offers an up-close glimpse into the weird world of segmented worms—from nightcrawlers and leeches to feathery coral-dwelling dazzlers. Go to: https://www.sciencenews.org/sn-magazine/april-11-1987

    By Science News
  4. Astronomy

    X-raying a galactic jet set

    The deepest X-ray portrait ever taken of the galaxy Centaurus A highlights its jets and activity around its supermassive black hole.