Miso's probiotic content varies by processing — unpasteurized miso retains live cultures while pasteurized does not.

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

Project Blue Book officially ended in 1969.

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

The Reformation reshaped religious life across Europe.

The first woman to win the Nobel Prize was Marie Curie in 1903 — she won a second in 1911.

Sourdough bread is made from a 'starter' — a live culture of wild yeast and bacteria that can be maintained for decades.

Particles can exist in multiple states until observed.

Cultural traditions are often passed down through generations.