Volume 164, Issue 4
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Features
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