Feature

Airplane Motor Cooled without Use of Radiator

Front Matter

Nature Ramblings: Wild Bergamot

Scientists Gather at Anthropology Laboratory

White Babies Mature More Rapidly than Do Negroes

Indian Mounds of the Middle West: “A Classic of Science”

Diabetic Patients Can Eat Sugar If Fats Are Eliminated

World-Wide Agency to Study the Sun Is Being Perfected

Do Glaciers Melt of Their Own Weight?

Fabrics Well Preserved after 1500-Year Burial

Nature Ramblings: Tree-Killers

New Fossils Shed Light on Prehistoric Animal Life