Scientific American Magazine

A New Scientific Method has been devised for Safeguarding Large Areas-Especially Petroleum Storage Tanks--by Actually Preventing Lightning Strokes, Instead of Merely Protecting them with Lightning Rods

From unknown Arabia new Evidence of Prehistoric Man of as Early as 20,000 B.C. has been discovered

Aircraft are now Employed for Carrying Life-Lines to Ships in Distress

Powerful Transmitter with many new Features wins approval of Radio Listeners

When one watches closely the Reforestation of a Barren Area, some Surprising Routines of Nature are revealed

Ten Co-operating Astronomical Observatories Have Revealed that the Little Cluster Known as Praesepe—"The Manger"—Contains Over 350 Stars Traveling Side by Side Through Interstellar Space

Thousands of acres that are now useless for Agriculture, will be made available for Crop Production by the Opening of the Completed Kittitas Irrigation Project

An Industrial Expert tells why Manufacturers must seek new Inventions to Keep their Wheels Turning

The "Teletactor" enables the Deaf to hear through their Finger Tips

How the Overgrown War fleets of the United States and Great Britain were brought down to a Peacetime Basis

Placing the badly decayed "Old Ironsides" in Dock for Reconstruction—a Delicate and difficult Task

Although Deprived of Parts of their Bodies, Some Insects seem to feel no Discomfort

A Department devoted to the Presentation of useful ideas. Material of Value to all will be found here