More people have access to mobile phones than to toilets worldwide.

The Vedas, sacred Hindu scriptures, were composed orally for centuries before being written down.

In Norse mythology, Odin sacrificed one eye to drink from the Well of Wisdom and gain cosmic knowledge.

Shintoism, Japan's indigenous religion, venerates kami — spirits in nature, ancestors, and sacred objects.

Synchronized skating — where teams of up to 20 skaters perform together — is a competitive discipline not yet in the Olympics.

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

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

The Ramayana, one of Hinduism's great epics, tells of Prince Rama's quest to rescue his wife Sita from the demon king Ravana.

Hip-hop culture originated in the South Bronx in the early 1970s and encompasses DJing, MCing, breakdancing, and graffiti art.