It takes seven years to digest swallowed gum.
Cracking your knuckles will lead to arthritis.
Bats are blind.
Airplanes empty their toilet tanks while flying in mid-air.
Mount Everest is the tallest mountain in the world.
French leader Napoleon Bonaparte was short.
Humans only use 10% of their brains.
You can’t fold a piece of paper more than seven times.
Christopher Columbus discovered America.
You need to wait an hour after eating before you can swim safely.
A bite from a Daddy Longlegs spider would kill a human being.
The common goldfish’s memory only lasts a few seconds.