The last person to be guillotined in France, Hamida Djandoubi, was executed in 1977.

The Pringles saddle shape chip surface was modeled after, and can be described mathematically by, a hyperbolic paraboloid, which is a form of quadric. This shape is distinctive in that it is curved at all points along its ...Read More

Disposable diapers in the United States make up enough trash to fill a barge half a city block long, every six hours, every day.

The custom of serving a slice of lemon with fish dates back to the Middle Ages. It was believed that if a person accidentally swallowed a fish bone, the lemon juice would dissolve it.