In the 1990s, lesbian characters were repeatedly transformed into "close friends" in film adaptions of LGBTQ-themed books.

In a famous 1910 photograph "In a Piegan Lodge," a small clock appears between two seated Native American men. In a later print, the clock is missing.

The marketing of scents through clever branding, rather than real differences in what’s being sold, originated in nineteenth-century France.

When volcanos erupt, the type and location of the lava determines what habitat will develop after it stops flowing.

Henrietta Lacks's "immortal" cell line, called "HeLa," is used in everything from cancer treatments to vaccines. A new portrait memorializes her.

Mother Superior Benedetta Carlini, a visionary nun of Renaissance Italy, was accused of heresy and “female sodomy.”

An interview with Arif Anwar, whose debut novel covers sixty years of Bengali history in five love stories.

Historian Lawrence Glickman looked at the consumer movements of the 1930s to find out.

As conservation efforts succeed, wolves, leopards, alligators, and other predators colonize new lands.

Online services like Amazon's "Mechanical Turk" have ushered in a golden age in survey research. But is it ethical for researchers to use them?