Feature

Last of the Phlogistonists: “A Classic of Science”

Element 87 Explosion Injures Finnish Chemist

Smoking Found to Increase Carbon Monoxide in Blood

Dr. Shapley Suggests Galaxies Are Irregularly Distributed

High Voltage Tubes Declared of Little Value against Cancer

Front Matter

X-Ray Tube Gives Radiation Equal All Radium in World

Depression Flower Gardens Are Not New Inventions

In Science Fields

Beetles Live under Water Months without Breathing

Parents’ Behavior Foretells Results of Treatment

Known Oil in Ground Equals Petroleum Already Produced