Notebook

  1. Humans

    From the March 14, 1936, issue

    Moving a giant mirror and deadly neutron rays.

    By Science News
  2. Humans

    Explore Your Knowledge

    Test your math and science knowledge at the National Center for Education Statistics Web site. Select a test topic and grade level (4th or 8th grade), then see how you do on a set of multiple-choice questions. The questions are from the Trends in International Mathematics and Science Study (TIMSS). Go to: http://nces.ed.gov/nceskids/eyk/

    By Science News

  3. Quark Colors

    The Jefferson Lab (Thomas Jefferson National Accelerator Facility) in Newport News, Va., offers a six-page coloring book devoted to particle physics and quarks. Use a flash plug-in or download a copy to color the pages and learn about the fundamental particles of matter.