An advertisement for 'Cook's Nile Service', a cruise on the Express Steamer 'MS Hatasoo' run by Thomas Cook & Son Ltd., circa 1900.

A “Cook’s Tour” of Imperialism

Thomas Cook and Son Ltd. pioneered middle class tourism during the Victorian era, when it followed the course of the British Empire.
A shark being cleaned by smaller fish

Where the Small Fish Clean the Bigger Ones

A "cleaner station" is a sort of undersea business, a place where large, often predatory, fish go to have parasites removed.
A tall bookcase of old books

Who Decides Which Books Are “Great?”

The concept of “Great Books," the historian Tim Lacy explains, developed in the late nineteenth century as an attempt to foster a “democratic culture.”
Kinoautomat

The Cold War Origins of Interactive Cinema

The world’s first interactive cinema system, the Kinoautomat was the brainchild of Radúz Činčera, a Czech cinematographer.
A shameful looking dog in a pig costume

Does My Dog Really Feel Shame?

A Curious Reader asks: When my dog gets that “hang dog” expression after I scold her for misbehavior, is she really ashamed?
Tree thinning in a national forest shows detail of the logging industry in Oregon.

Does Forest Thinning Work?

Does forest thinning, a land management strategy, offer an effective solution to the problem of forest fires?
Che Guevara

Che Guevara

In 1964, 5 years after the end of the Cuban revolution, Che Guevara wrote for an academic journal. Read the Cuban leader in his own words.
Source: https://commons.wikimedia.org/wiki/File:Ada_Lovelace_portrait.jpg

Ada Lovelace, Pioneer

Ada Lovelace wrote extensive notes on the world’s first computer. Her innovations foreshadowed those used in twentieth-century PCs.
Dolphins in captivity

The Ethics of Research on Captive Dolphins

Researchers say that dolphins are so smart that captivity causes them psychological harm. But getting data in the open ocean can be tricky.
Richard Nixon at the Great Wall of China

Why Did Nixon Burn the China Hands?

Nixon targeted Foreign Service officers who served in China in the 1940s as communist sympathizers and "fellow travelers." Then he opened trade relations.