Feature

Hearts That Beat as One May Stop the Same Way

First Glances at New Books

Fear Athens’ Fifth Wreck So Relics Are Moved

Nature Ramblings: Dictatorship Fails

U. S. Need Not Depend on Southeast Asia’s Goods

New Books on Science

Front Matter

New Photographic Film Will Wear Longer, Store Better

New Heated Diving Suit Has Glass Insulation

To Protect Health of Army in Case It Goes to Tropics

Diesel-Electric Motors Are Built on an Assembly Line

Cats Have One Blood Type Instead of Four as in Man