Feature

All-Weather Flying

Large Group of Sunspots Now Clearly Visible

Movies of Cell Life

Mouse Studies Suggest Polio Susceptibility

Fewer Vitamins in Bread

Electron Microscope Developed in Russia

[Photograph]: Saves Time

Aids for Brain Study

Molecules Reveal Secrets

Insects Hide in Woods during Winter Season

Conditioned Dog’s Heart Beats Faster

Radio Amateurs Report First Use of Microwaves