Feature

World’s Largest Cyclotron at Michigan University

Front Matter

Shade of Trees Measures “Ripeness” of Timber

Electric Counter-Shock Saves Man from Death

Glass Doubles for Bones to Permit Growth of Marrow

1,200,000-Volt X-Ray Tube Is Now under Construction

Persistent Hoarseness Is Early Sign of Cancer

Helium Suggested as New Preventive of “The Bends”

Action and Immune Serum Prevent Measles Epidemic

Nature Ramblings: Deer versus Forests

Dyeing Studies Give Size Index of Cotton “Pores”

Find New Dangers in Chronic Carbon Monoxide Poisoning