Feature

New Rotating Radio Beam Directs Pilot to Fixed Beacon

Blitzkrieg, Secret Weapons Downed Ancient Egypt

Despite War, the English Discuss Civil Aviation

Nature Ramblings: Unappreciated Arthropod

Front Matter

Cancer’s Spread May Be Prevented by Discovery

New Way to Split Uranium and Release Energy Found

Non-Poisonous Gas Is Also Important in a War Role

Japan’s Rice Shortage May Bring Crisis in Fall

Calcium May Be Weapon for Defense against Lead Poison

Cases of Skin Disease from “Elasti-Glass” Garters

Get Marihuana Crystals More Powerful than Drug