Surfing was first practiced by ancient Polynesians and was considered a spiritual activity.

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

Particles can exist in multiple states until observed.

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

The Large Hadron Collider is the world's largest particle accelerator.

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

At the 1936 Berlin Olympics, Jesse Owens was publicly congratulated by Hitler's rival Adolf Hitler — contrary to the popular myth.

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

Tax avoidance and tax evasion both increase as tax rates rise, which can reduce total revenue.