Feature

License Granted to Make New Arthritis Vaccine

Spectroscope Used to Detect Lead in Body

Nature Ramblings: Of Dragons

Death Predicted by Means of Spectroscopic Test of Blood

Strange Creatures Sought in Far Corners of the Earth

Find Another Way to Make Radioactive Nitrogen

First Glances at New Books

Front Matter

Corn Conqueror in First Round of Chinch-Bug Fight

[Photograph]: Baby Locomotive

Radio Currents Add to Knowledge of the Brain

More Ionized Layers Are Suggested by Scientist