How Humans Invented Numbers—And How Numbers Reshaped Our World
Anthropologist Caleb Everett explores the subject in his new book, Numbers and the Making Of Us
The Trashy Beginnings of “Don’t Mess With Texas”
A true story of the defining phrase of the Lone Star state
Photographs of America’s Eastern Treasures Finally Have Their Moment in the Limelight
A neglected period of American photographic history goes on display at the National Gallery of Art
The Myth That Washington Was a Swamp Will Never Go Away
It makes for a catchy slogan used by politicians of all persuasions, but there’s little truth to it
The Polish Patriot Who Helped Americans Beat the British
Thaddeus Kosciuszko engineered the colonial defenses in some of the Revolution’s most critical battles
A Spoonful of Sugar Helps the Radioactive Oatmeal Go Down
When MIT and Quaker Oats paired up to conduct experiments on unsuspecting young boys
This Medieval Knight’s Manor Houses Over 350 Mechanical Musical Instruments
From tiny music boxes to the bus-sized Orchestrion, Siegfried’s Mechanical Music Cabinet in Germany’s Rhineland is the perfect musical detour
Puerto Ricans Got U.S. Citizenship 100 Years Ago—But Their Identity Remains Fraught
Even a century later, those who live in the U.S. territory have little autonomy
How a Soap Opera Virus Felled Hundreds of Students in Portugal
The “Strawberries With Sugar” outbreak is just one example of mass hysteria, which goes back centuries
For More Than 150 Years, Texas Has Had the Power to Secede…From Itself
A quirk of a 19th-century Congressional resolution could allow Texas to split up into five states
The Political Cartoon That Explains the Battle Over Reconstruction
Take a deep dive into this drawing by famed illustrator Thomas Nast
The Incredible Legacy of Susan La Flesche, the First Native American to Earn a Medical Degree
With few rights as a woman and as an Indian, the pioneering doctor provided valuable health care and resources to her Omaha community
Scientists Shoot Stones to Study War’s Impact on Heritage Sites
The bullets caused hidden networks of fractures beneath the stones’ surfaces
The Fake British Radio Show That Helped Defeat the Nazis
By spreading fake news and sensational rumors, intelligence officials leveraged “psychological judo” against the Nazis in World War II
Follow the Path of the Freedom Riders in This Interactive Map
These civil rights activists showed true courage in telling the nation about the segregated South
Tattooing Was Illegal in New York City Until 1997
The New-York Historical Society’s newest exhibit delves into the history of the city’s once-turbulent ink scene
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