The Most Creative Graffiti and Street Art Spotted Around the World

The More You Know

• In 1966 and 1967, soldiers testing Agent Orange in Canada were told the chemical was completely safe and sprayed it on each other to cool off.
• Beavers have transparent eyelids so they can see underwater.
• In 1993, San Francisco held a referendum over whether a police officer called Bob Geary was allowed to patrol while carrying a ventriloquist’s dummy called Brendan O’Smarty. He was.
• The smallest unit of measurement in the universe is the Planck length.