12 Cool Facts To File Away For The Future

Convince your nieces and nephews that you're very smart, but only about these 12 things.

Source: SPIE Digital Library

Source: The Spruce

Source: History

Source: Vic Firth

Source: National Geographic

Source: History

Source: National Geographic

Source: Our World In Data

Source: Musicoholics

Source: World Health Organization

Source: ThoughtCo

Source: Maryland Zoo