Feature

Wrist-Bone from Africa Stirs up Discussion

Congress Juggling Figures in Struggle with Seats Problem

Borers-from-within Menace Supplies for Army and Navy

Magnesium Sulfate Plaster like Cement in Strength

Nature Ramblings: Predator Problems

First Glances at New Books

Front Matter

New Radium-like Carbon May Have Medical Uses

[Photograph]: Ping Pong Balls Go to School

Nitrogen-Capturing Germs Best on Oxygen Shortage

California Physicists Split U-235 into Equal Parts

Radioactive Substances Made with California Atom-Smasher