
50, 100 & 150 Years Ago: April 2021
Modern glass arrives; a canine workforce
Dan Schlenoff was a contributing editor at Scientific American and edited the 50, 100 and 150 Years Ago column for one seventh of the magazine's history.

50, 100 & 150 Years Ago: April 2021
Modern glass arrives; a canine workforce

50, 100 & 150 Years Ago: March 2021
Lethal gas fights crime, 1921; baby energy powers cleaning, 1871

50, 100 & 150 Years Ago: February 2021
New computer architecture in 1971; multistage rocket theory in 1921

50, 100 & 150 Years Ago: January 2021
Huxley’s eloquence in 1871 and antievolution in 1971

50, 100 & 150 Years Ago: December 2020
A Post Office patent in 1870 and in vitro progress in 1970

50, 100 & 150 Years Ago: November 2020
Nuclear future, data on hurricanes, and machines replace muscle on the farm

September 2020: The Art and Science of Efficient Manufacturing
A look at the epitome of production, control of malaria and more proof for plate tectonics

Reckoning with Our Mistakes
Some of the cringiest articles in Scientific American’s history reveal bigger questions about scientific authority

Armistice Day: November 11, 1918, to November 11, 2018
“The war to end all wars” that had to be renamed “The First World War” ended 100 years ago

The Movies, 1917 [Slide Show]

America Declares War on Germany, 1917
Scientific American archive shows submarine attacks were instrumental in pushing the U.S. into war

Before America Joined the Great War
Editorials and Opinions from Scientific American, 1914–1917

Fear of the Submarine, 1917
Reported in Scientific American, this Week in World War I: March 31, 1917

Women Workers Fill the Factories, 1917
Reported by Scientific American, this Week in World War I: March 24, 1917

Command, Control, Communication, Electricity, 1917
Reported in Scientific American, this Week in World War I: March 17, 1917

Medallions and the Dark Arts of Propaganda, 1917
Reported in Scientific American, this Week in World War I: March 10, 1917

Naval Warfare: Theory and Ships, 1917
Reported in Scientific American, this Week in World War I: March 3, 1917

Aviation in 1917: The State of the Industry and Science [Slide Show]

Cringeworthy Ideas for Trench Warfare, 1917
Reported in Scientific American, this Week in World War I: February 24, 1917

Italian Armaments Technology, 1917
Reported in Scientific American, this Week in World War I: February 17, 1917.

An Inside Look at a Propaganda Submarine, 1917
Reported in Scientific American, this Week in World War I: February 10, 1917

American Submarine Technology for Spain, 1917
Reported in Scientific American, this Week in World War I: February 3, 1917

The Grand Face of Public Architecture, 1867 [Slide Show]
Images from the Archive of Scientific American

Starvation and Propaganda as Weapons of War, 1917
Reported in Scientific American, this Week in World War I: January 27, 1917