Feature

The Leonids of 1833: “A Classic of Science”

Breathing of Living Tissue Is Disturbed by X-Rays

Industrial Inch Loses Two Millionths of Length

Explorer Finds New River in Jungle of Brazil

First Glances at New Books

How to Have a Good Time Is Adolescents’ Chief Worry

Field Museum Visitors See Bit of Abyssinia

In Science Fields

New Beet Variety Resists Disease

Sharks May Have Saved World for Vertebrates

Surgeon Suggests Golden Rule to Combat Nervous Troubles

Submarine Quake Reported off Coast of Alaska