A cockroach will live nine days without its head, before it starves to death. A crocodile cannot stick its tongue out. All Polar bears are left-handed. Americans on average eat 18 acres of pizza every day. Babies are born without knee caps. They don't appear until the child reaches 2 to 6 years of age. China has more English speakers than the United States. If the population of China walked past you in single file, the line would never end because of the rate of reproduction. If you keep a goldfish in a dark room, it will eventually turn white. Leonardo Da Vinci invented the scissors. More people are killed by donkeys annually than are killed in plane crashes. The ant always falls over on its right side when intoxicated. The average human eats eight spiders in their lifetime at night. The strongest muscle in the body is the tongue. Women blink nearly twice as much as men.