Feature

Alcoholism Is Nation’s No. 3 Health Problem

Data Suggest Some Drugs Cause Permanent Upset

Foresee End of Spare

Radioisotopes Calculate

Nature Ramblings: Of Moles and Men

[Photograph]: Collapsible Dam

Sensitive Radar “Talks”

Changes in Grim, Gray Halls

Wanted: Young Scientists

Drugs, Regular Care Cut Rheumatic Fever Relapse

Overrate Pollution Dangers

Molten Salts Suggested for Reactor Fuel