There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
An artist in Iowa named Patrick Acton built a complete model of Hogwarts out of matchsticks.
14
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
108
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39