Feature

[Photograph]: Portable Seismograph System

Vanguard Studies Show “Mumetal” for Satellites

AEC Has Busy Year

October Milk Sampling Shows Strontium-90 Rise

[Photograph]: Blue Streak

In Science Fields

Turtle Immune to Man-of-War’s Stinger

Cryogenic Gyro Promises Pinpoint Navigation

Nature Ramblings: Telling up from Down

New Machines and Gadgets

New Trends in Plans of Teen-Aged Scientists

Machine Translation Seen