The SciencesNovember 22, 1919
The High Price of Milk
Some of the Causes, and the Remedy
Stories by Alfred J. Lotka
The SciencesAugust 9, 1919
The Failing Dollar
How Shall We Arrest the Decline of its Purchasing Power?
The SciencesJuly 5, 1919
Our High Prices--Have they Come to Stay?
Professor Irving Fisher's Forecast and Advice to Business Men
The SciencesSeptember 4, 1915
Mathematical Coincidences, Superposed Stereoscopic Pictures that Need no Stereoscope
The SciencesNovember 7, 1914
War the Destroyer
The Chances of Death in Battle and from Other Causes
The SciencesOctober 31, 1914
The Sense of Taste
The SciencesSeptember 27, 1913
Cube and Fifth Roots by Mental Arithmetic
The SciencesJune 14, 1913
Evolution from the Standpoint of Physics—III
The Principle of the Persistence of Stable Forms
The SciencesJune 7, 1913
Evolution from the Standpoint of Physics—II
The Principle of the Persistence of Stable Forms
The SciencesMay 31, 1913
Evolution from the Standpoint of Physics—I
The Principle of the Persistence of Stable Forms
The SciencesApril 19, 1913
Lightning Calculations, The Current Supplement and more
Extracting Roots of Numbers by Inspection
The SciencesMarch 8, 1913
In the World of Molecules, Optical Illusions; Trust not Your Eye and more
The SciencesFebruary 17, 1912
Construction of Conic Sections Paper-Foldinǵ
The SciencesSeptember 16, 1911
Catalysis
Its Mystery and Its Significance for Life and Industry
The SciencesAugust 26, 1911
Magic Effects on the Stage and Off
What the Mirror Does to You
The SciencesMarch 25, 1911
The Triumph of Intellect Over Instinct
The Modern Trend and Where it Leads