Feature

Make Radiation Measurer

New Machines and Gadgets

[Photograph]: Shielding Window

A-Irradiation Yields Rust-Resistant Bluegrass

[Photograph]: Dynamitron Accelerator

In Science Fields

Police Can Be Helped by Part-Time Psychiatrist

Birds near Equator Follow Own Reproductive Cycle

Front Matter

Man’s Cancer Disappears after Blood Injection

Soviets Claim Inventing “Underground Rocket”

5,940 Sunspots Analyzed for 16-Year Period