The longest concert ever performed lasted 453 hours and was played by a rotating group of musicians in Canada.

The word 'clue' originally referred to a ball of thread — in Greek mythology, Ariadne gave Theseus a thread to escape the labyrinth.

The Blues music genre gave birth to jazz, rock and roll, R&B, and much of modern popular music.

In Chinese mythology, dragons are benevolent creatures associated with water, rain, and imperial power — opposite to Western dragons.

Particles can exist in multiple states until observed.

The Mona Lisa was considered an unremarkable painting until it was stolen in 1911 — the resulting publicity made it famous.

Usain Bolt's top recorded speed during his 100m world record was 44.72 km/h (27.8 mph).

The Boston Marathon is the world's oldest annual marathon, first held in 1897.

The Super Bowl is the championship game of the National Football League.