The world’s oldest piece of
chewing gum is 9000 years old.
In space, astronauts cannot cry, because there is no gravity, so the tears
can’t flow.
About 3000 years ago, most Egyptians died by the time they were 30.
More people use blue toothbrushes than red ones.
Your ribs move about 5 million times a year, every time you breathe.