The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
The first foreigner to become a samurai was an African slave.
26
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
Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
28
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
20