Feature

Back Matter

Vaccinate with Pills

Low-Browed Cave-Men Called Grandparents

Greatest Landslide Coming

First Glances at New Books

Nature Ramblings: Ancestral Insect

New Smithsonian Head

Weather Service for Aviators

Classics of Science: Nutrition of Germs

Coffee Called Beneficial

Mortality Called Price of Brains by Dr. Carrel

Traffic Risk Greater than Volcanoes