Scientific American Magazine

Until Sanitation Becomes Universal, Man Will Harbor Internal Parasites and Suffer From Them

High-Pressure, High-Temperature Steam for Warships, More Reliable Machinery, Greater Speed, Economical, Equipment for Our New Warships

The Encounter Theory of the Origin of Planets Has Now Become Shaky and May Pass into the Limbo Where the Old Nebular Hypothesis Went

Large Supplies, Makes Extremely Hard Alloys of Copper, Other Metals, Low Percentage is Needed Research Finding New Alloys, New Uses

Time After Time Scientists Interested in Finding New Facts Purely for Their Own Sake - Intellectual Curiosity--Have Handed Fortunes to Industry

The Odd Realm of Supersonics-Inaudible, Versatile Vibrations-is Receiving Increasing Attention From Scientists

Recent Excavations Beneath the Ancient Arena Reveal Elevator Shafts for Raising Wild Beasts to the Combat Level by Means of Counterweights

New Fields Opened for Plate Glass, Decorative Mirrors, Sand-Blasted Designs, Panels Lighted at Edges, Careful Experimentation