Feature

Scientific Attack Launched upon Drug Addiction

February Evening Skies

First Stroboscopic Movies “Still” Whirling Motors

The Psychology of Adolescence: “A Classic of Science”

Canada’s Winter Depends upon India’s Summer Weather

January Drought Threatens Crops in Many States

New Unit of Atom Needed by Scientists

Front Matter

Nature Ramblings: Scrub Pine

First Glances at New Books

Fatal Earthquake Rocks a Land of Quakes

Better Light for Less Power from New Illuminating Unit