Feature

Poverty Reduces Birthrate but Poor Have Large Families

Two-Ton Diving Ball for Use in Deep Sea Salvage Tested

Science Service Board Elects Three New Trustees

First Glances at New Books

Nature Ramblings: No New Thing

Estimates 25,500,000 Persons over 65 in 1980

King Mycerinus, like Humpty, Was Hard to Put Together

Early Treatment Would Eradicate Bright’s Disease

Two Hormones, Twins of Those Known, Found in Pituitary

First Glances at New Books

Front Matter

New Anti-Aircraft “Ears” Hear “Enemy” 12 Miles Away