The highest-grossing film of all time, adjusted for inflation, is 'Gone with the Wind.'

Banksy, the anonymous street artist, has never been definitively identified despite decades of speculation.

The word 'punk' originally referred to a prostitute in Elizabethan England before evolving to its modern meanings.

A regulation NFL football must be inflated to between 12.5 and 13.5 psi.

Couples who spend quality time together regularly report higher happiness.

Globalization has lowered consumer prices but also suppressed wages in some sectors in developed countries.

The didgeridoo, played by Aboriginal Australians, may be the world's oldest wind instrument — over 40,000 years old.

The vuvuzela, an African horn, produces sound at about 127 decibels — louder than a chainsaw.

The longest recorded rally in professional tennis lasted 643 shots in a match in 1984.