Forest Lookouts Defy Lightning
Stations Struck Frequently and Many Lookouts Killed Before Lightning Protection "Bird Cages" Were Adopted
Volume 138, Issue 6
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Features
Men, Atoms, and Stars
Man Has Existed but a Day; Observed the Universe but a Minute--Is it any Wonder He Still Has Much to Learn?
From the Scrap-book of Science--Camera Shots of Scientific Events, June 1928
Slowly the Past Emerges
Maya Temples Discovered in Yucatan Throw Important Light on Doubtful Points in American Ancient History
The Invincible March of the Automobile
Who are the Mysterious Bearded Indians?
A Strange Tribe, With Strange Customs and Strange Physical Characteristics, Is Being Investigated in South America. Are They Truly Indians or Are They Descendants of Some Other People?
The Month in Medical Science, June 1928
A Review and Commentary on Progress in the Medical and Surgical Field
Geophysical Prospecting
Authentic Scientific Apparatus is Being Employed More and More to Help Locate Ore Bodies. In Addition, There Are Fake Methods
Sun-spots in Weather Prediction
It Is Now Impossible to Predict the Weather From Sun-spots, and Such Predictions Need Not be Taken Seriously
A Business that Lives by Invention
Getting Display Space in Store Windows and on Counters Requires a Continuous Flow of Original Ideas
Unearthing History at Ur
How Two Great Institutions, One American, One British, Are Bringing to Light the Evidences of a Dim and Distant Past in Mesopotamia
Why the St. Francis Dam Collapsed
Although the Collapse, Fault on Which the Dam Was Erected Contributed to Its Softness of Foundation Bed-rock Was Primary Cause
Robinson Crusoes of Science
Where does Matter Come From?
The Recent Research of Millikan Points to a Hitherto Unknown Creative Process in Nature
Paintings that Shine in the Dark
A New and Fascinating Amateur Hobby for the Artistically Inclined Scientist
Roller Bearings Smooth the Traveler's Road
Trains Equipped With Anti-friction Bearings Run With Minimum Jerk and Are Economical In Operation
Making Flint Implements
An Elementary Lesson in Copying the Handiwork of Our Prehistoric Ancestors
Chemicals Destroy Lake Weeds
How Madison, Wisconsin, Has Solved the Problem of Ridding Nearby Lakes of Obnoxious Weed Growths and Algae