Feature

Substitute for Sulfur Vulcanizes Rubber

High-Yielding Corn Bred from Runts

Effect of Glandular Secretions on Sex Discussed by Scientists

Photograph of Human Voice Produced in One Minute

What Science May Make of the World in 2,500 A. D.

Theories of Universe Shaken by Discoveries at Harvard

Anthropologist Is Elected New A. A. A. S. President

In Science Fields

Twins That Are Alike and Twins That Are Unlike

Garlands Buried 3,000 Years Check Egypt’s Calendar

Magnetism Heals Mutilated Flatworms

Isolated Plants Reveal Story of Post-Glacial Period