Feature

  1. New Machines and Gadgets

    By Science News

  2. Front Matter

    By Science News

  3. New Theory of Complexes

    By Science News

  4. All Posture Has Meaning

    By Science News

  5. Sagebrush Can Be Licked by 2,4-D

    By Science News

  6. Sixth Comet, 1949F, Is Fast-Moving

    By Science News

  7. Mosquitoes Resist DDT

    By Science News

  8. Thumb Bone of Ape Man Is New Clue to Problem

    By Science News

  9. [Photograph]: Ultrasonic Waves

    By Science News

  10. Virus Threatens Porkers

    By Science News

  11. Vitamin $text{B}_{1}$ Lack Harmful

    By Science News

  12. “Brain” Missile Recorder

    By Science News