Feature

Front Matter

New Electron Microscope May Some Day “See” Atoms

Franklin Medals Awarded to Compton and Baekeland

Germ-Killers in Soil Promise Conquest of All Bacteria

National Academy of Sciences 1940

Science Most International of All Human Activities

Color-Change Chemistry Studied in Catfish

In Science Fields

Sunshine and Atoms May Be Power Sources of the Future

New Blood Test Depends on Permeability Rates

High-Transpiration Plants One Means to Abate Floods

Death for Girl to See Boy Minus His Hat in Jungle Isle