Feature

Lamp Has Varying Focus for Use in Different Ways

Worst Grasshopper Plague in Years Forecast for Summer

Violet-Headed, Red-Tailed Meteor Seen from Ship

In Science Fields

Mercury to Show Itself

New Trap for Atoms in Photographic Film

Civilization Fails in Proper Absorption of Science

Science on Radio Chains Totals 2 1/4 Hours Weekly

Strange Hybrid Sheep Results from Bighorn Cross

To Plants Red Light Means “Go” but Green Is “Stop” Signal

Airships to Make Their Own Ballast while Aloft

Midwest Conquering Goiter with Iodine in Salt Cellars