A Bomber Type Frequently Seen Over London

Milk Made More Digestible

Homogenization Eliminates Separation of Cream

Acid Bogey, Poliomyelitis, and more

We Do Not Eat Too Many Acid Foods

Insulation Test, Shellac Fortifier, and more

"Mechanical Finger" Nail Checks Wire Insulation

Our Search for the Supernatural

Scientific American Launches an Investigation of the Reality of Psychic Phenomena

Warbird Doctors

Planes Alone Don't Make an Airforce; It Takes Trained Men to Keep Fighting Pilots in the Air

Sealed, Brobdingnagian, and more

Swelling Rubber Retards Tank Leakage

Inside the White Dwarf Stars

How an "Absurdity" Became a Discovery, Revealing a New State of Matter

Our Next Source of Oil

Petroleum Geologists are Turning from the Structural Trap to the Stratigraphic Trap

Lost Ring, "Fossil Lightning," and more

Physicist Squeezes Ring Out of Copper

Evolution in the Future

Where is Our Human Species Headed? Will Man Pull Himself Together and Go Ahead?

Electricity Catches Trout

Science of Fisheries Research is Aided by Data Obtained With New Electric Shocker

Frozen Food Pack, Wattage, and more

For Liquids, Vegetables, Fruits, Solids