The oldest surviving musical composition is the Hurrian Hymn No. 6 from Syria, dating to 1400 BC.

Light behaves as both a particle and a wave simultaneously — this is called wave-particle duality.

The lost city of Ubar is mentioned in Arabian legends.

In behavioral economics, choice architecture — how options are presented — dramatically affects decisions.

Elvis Presley never wrote any of his own songs.

Competitive swimming only standardized pool lengths to 50 meters for the Olympics in 1924.

The Library of Alexandria wasn't destroyed in a single fire — it declined gradually over centuries due to neglect and underfunding.

Particles can exist in multiple states until observed.

The gig economy has grown dramatically — in the US, over 36% of workers participate in some form of freelance or gig work.