Feature

Family History May Be Useful Guide in Choosing Vocation

Mt. Washington Station Begins Work for Winter

Dangers of Dust in Industry Described at Safety Congress

Scientist Directs Huge Magnet in Attack to Smash Atom

Indium Output May Soon Reach Ten Pounds a Year

Front Matter

Three-Fourths of Cancer Group Succumb in First Five Years

Quinine from Peruvian Bark: “A Classic of Science”

Nature Ramblings: Woolly Bears

Fifty Million Years of Wild West

Rare Plant Rediscovered in Western Texas Creek

Bacteria Made to Change Forms by Change of Food