Hydrogen gas is the least dense substance in the world, at 0.08988 grams per cubic centimeter.
Each year there is one ton of cement poured for each man, woman and child in the world.
According to Einstein’s Theory of Relativity, it is possible to go slower than light and faster than light, but it is impossible to go the speed of light.
The human heart creates enough pressure when it pumps out to the body to squirt blood 30 feet.
Charlie Chaplin once won third place in a Charlie Chaplin look-alike contest.