A person saving a parking spot by laying down on the concrete.

When Did We Start Paying to Park Our Cars?

A Curious Reader asks: When and why did parking become monetized?
Demonstrating the administration of the polygraph, the polygrapher making notes on the readouts.

The Online Lie Detector Is No Better Than the Polygraph

People love the idea of a machine that tells us who to trust. But the historical analog of the online lie detector also didn't work.
A cowboy in the western United States, between 1898 and 1905

Go West, You Nervous Men

The "Rest Cure" for women is notorious. But the "West Cure" for men, though little known today, is a fundamental part of American mythology.
A doctor talking to a female patient

Blaming Women for Infertility in the 1940s

In the early days of fertility treatments, some doctors theorized that women’s unconscious hatred of their husbands kept them from conceiving.
A drone delivering a package

The Drone Will See You Now

As drones become normalized, companies like Zipline are using them to deliver life-saving medicines to faraway places.
Ruth Page and Harald Kreutuzberg in Bacchanale, 1934

Ruth Page, the Ballerina Who Danced Poems

In the 1940s, American dancer Ruth Page combined poetry, performance, and personal reflection to create a new type of dance.
A flamingo feeding its young

How Non-Mammals “Nurse” Their Young

Some birds feed their young with "crop milk," while discus fish feed their fry with a special mucus. It may not seem as cute as nursing, but it works.
The Procession of the Trojan Horse in Troy by Giovanni Domenico Tiepolo

Greek Gods and Game Theory

Game theory is the study of mathematical models of strategic interaction. Connecting it with famous stories makes it easier for students to grasp.
A sign for the Highlander Folk School

The Destruction of a Civil Rights Center

The Highlander Research and Education Center is "the most notable American experiment in adult education for social change." One of its buildings recently burned down.
A yellow ribbon on a red background

The Many Meanings of Yellow Ribbons

The strange and convoluted history of why yellow ribbons became a symbol of the Gulf War in the 1990s.