The THX deep note that plays before movies was composed by James A. Moorer and consists of 30 voices starting at random pitches.

Synchronized swimming, now called artistic swimming, requires athletes to hold their breath for up to 3 minutes while performing choreography.

Particles can exist in multiple states until observed.

Economist Arthur Laffer famously sketched the Laffer Curve on a napkin during a dinner meeting in the 1970s.

The musical scale we use today was standardized at A = 440 Hz only in 1939 — different standards were common before then.

Beethoven continued composing after going completely deaf, writing his Ninth Symphony while totally deaf.

Speed cubers can solve a Rubik's Cube in under 4 seconds — the world record is 3.13 seconds.

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

Jazz is one of the few art forms considered uniquely American in origin, developed in New Orleans in the early 1900s.