Feature

  1. Front Matter

    By
  2. [Photograph]: Most Unconventional

    By
  3. Nature Ramblings: Clocked by the Sun

    By
  4. Ancient Russian Skull like American Indian’s

    By
  5. Quiet Hunt Begun in U. S. for Emergency Mines

    By
  6. Two New Attacks Made on Painful Rheumatic Fever

    By
  7. German Economist Credits Britain with Great Strength

    By
  8. Sulfapyridine Helps Baby Recover from Influenza

    By
  9. In Science Fields

    By
  10. Spiders Help Fight the War; Their Webs Make Cross-Hairs

    By
  11. Thermal Pump Uses Heat Not Mechanical Energy

    By
  12. Trenches Used in Forests as Defense against Fire

    By