Feature

Diet Increases Tropical Disease

Child Habit Clinics

Used Hoofs as Trowels

Quantum Theory Wins

For a Place in the Sun

U. S. May Lose Cotton Supremacy

First Glances at New Books

Solar System Rushing through Space

Hinged Wing Marks Contest Airplane

Helium Heart’s Affinity

“Missing Link” Skulls Doubted

New Theory of Space