Yodeling developed in the Alps as a form of long-distance communication between mountains.

Opera was invented in Florence around 1600, originally as an attempt to recreate ancient Greek theater.

The word 'OK' is one of the most recognized expressions worldwide — likely originated from a playful 19th century American abbreviation fad.

Millionaires often live below their means.

The Maori of New Zealand use a rich oral tradition called 'kōrero' to preserve history and genealogy.

Nearly half of adults worldwide have less than $10,000 in wealth.

The Tour de France is one of the most famous cycling races in the world.

Chess grandmaster Magnus Carlsen has been world champion since 2013 and has the highest Elo rating in history.

The word 'ketchup' likely comes from a Chinese fish sauce called 'ke-chiap'.