The Canadian province of New Brunswick (which was part of the UK at the time) had a bloodless war with the US state of Maine in 1839
36
Peanut butter and jelly sandwiches were originally considered a delicacy, only enjoyed by those of the upper class.
9
Yawns are more contagious among people with closer relationships.
163
In Cuba, hitchhiking is encouraged and government vehicles are legally required to pick up hitchhikers.
4
The lifespan of mammals is about 1 and a half billion heartbeats.
127
Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22
A cow produces around 200,000 glasses of milk in her lifetime.
373