For centuries, we have looked at people whose symptoms lack a definite cause as crazy or "hysterical." But they might be experiencing conversion disorder.

These unsolved questions continue to vex the minds of practitioners across all disciplines of modern science and humanities.

Hillary Clinton has had her eyes on the White House for some time now. But what was she like while in school?

In her lifetime, Annie Jump Cannon identified half a million stars. How many can you identify?

Medical experts are baffled why so many people in the small Kazakhstan town of Kalachi spontaneously fall asleep — sometimes for days at a time.

In many ways, Polly Adler's rags to riches tale is exemplary of the American Dream. Who was she?

Famous teacher Annie Sullivan said that Laura Bridgman was "intellectually superior" to Helen Keller. So why do the history books forget her?

We rightly associate concentration camps with death, but Stanislawa Leszczyńska brought life into Auschwitz during the Holocaust.

Life was awful before the days of modern medicine. If you suffered from catalepsy, for example, you ran the risk of being buried alive.

Becklard's Physiology was surprisingly sex positive given the time in which it was written. To believe it, you have to read it.