Feature

Electric Knife Now Used for Chest Surgery

Internally Cooled Piston for Explosion Engines

Wind-Finding Equipment

Rapid Method of Making Rubber in Germany

Nature Ramblings: Returning Birds

In Science Fields

Prevention of Water on Brain by Diet Hinted

Buffalo Disease Traced to Filterable Virus

Glaucoma Weapon

Assembly-Line Homes

Revision Proposed for Nautical Almanac

A-Bomb Effects Studied