Feature

Nature Ramblings: Paleolithic Planters?

Evidence of Human Artifacts Points to Earliest Existence

New Airplane De-Icers Approved by Air Commerce

First Glances at New Books

Front Matter

War May Save China from Evils of Overpopulation

“Tears of St. Lawrence” Can Be Photographed

Head of Public Health Service Urges War against Syphilis

Ancient Palestine Treasure Comes to Oriental Institute

U. S. Not Self-Contained in Tin, Nickel and Platinum

Neutrons Are More Potent than X-Rays for Sterility

Uncle Sam Hunts America’s First Human Inhabitants