Feature

October Milk Sampling Shows Strontium-90 Rise

[Photograph]: 5,000-Year-Old Brick

Turtle Immune to Man-of-War’s Stinger

Machine Translation Seen

New Trends in Plans of Teen-Aged Scientists

USSR Has Faith in Science

Hand and Wrist X-Rays Identify Living or Dead

Vanguard Studies Show “Mumetal” for Satellites

Antenna Reflectors Warn Free World from Arctic

Front Matter

Cryogenic Gyro Promises Pinpoint Navigation

Reports on Radiation Belts