Feature

Quick Warm-up Needed to Reduce Engine Wear

Air Used as Cutting Edge of “Supersonic Knife”

Cattle Owners Underrate Need for Strict TB Control

Better Windshield Safety

Antipodes Chelonians Arrive in California

Nature Ramblings: Whooping Crane

Books of the Week

Revive War Gas Victims

Star Varies in Brightness Every 80 Minutes

“Picture Drawings” Speed Production for Boeing

Signs Tell Whether Paralysis Cure Probable

Joint Labs to Serve All British Scientists