Feature

New Swiss Lake Will Run Three Power Plants

Cancer More Prevalent among Industrial Classes

Heated Anemometer to Take Mt. Washington Wind Record

Politics Called Accidents of Birth and Environment

In Science Fields

Radio Tubes Amplify and Measure Nerve Messages

Front Matter

Sharks May Have Saved World for Vertebrates

New Beet Variety Resists Disease

Surgeon Suggests Golden Rule to Combat Nervous Troubles

Court Decision Spurs Search of Mexican Ruins

Sick Scientist Calls “Mild” Wrong Word for Typhus