Feature

First Glances at New Books

Front Matter

Einstein Extends Theory to Electron and Proton Interior

Japanese Triplets so Much Alike Scientists Dispute

Children from Happy Homes Have Less Trouble in School

Ocean Sediments Have High Radium Content

New Evidence to Show That Nerves Secrete Hormones

Airplanes Grow New Wings to Increase Lifting Power

Gassing Flour Does Work for Digestive Organs

Largest Spot of Year Appears on Face of Sun

Summer Constellations Fill the Sky

Standard Sponge Cake Is Measuring Unit for Others