Feature

New Determination Sets Greatest Solar Heat

British Dry-Dock Could Handle 100,000 Ton Vessel

Roosevelt Appoints Science Advisory Board

Crop Limitation Saved Colonial Tobacco Planters

“Boat Tail” Bullets Improved for Use in American Weapons

In Science Fields

Nature Ramblings: Pretty Corn

Year’s Second Eclipse Is Far Distant

First Glances at New Books

Expedition Plans to Move Starving Islanders

Fast-Moving Positive Particles Produce New Kind of X-Rays

Tanks Fight Fires in California Woods