Feature

Doctor Tells of Conditions in Hospital at Addis Ababa

Worm Eats Small Enemy Merely to Get Its Weapons

Plants Builds Walls with “Bricks” Made of Cellulose

In Science Fields

Midnight Solar Eclipse

City Built over Caves to Be Explored in Mexico

Scientists Experiment with “Brain Waves” in Hypnosis

Machine with a Memory Records Lightning Strokes

Scientists Divided on Value of Paralysis Vaccines

Nature Ramblings: Low-Grade Ores

First Glances at New Books

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