Emus cannot walk backwards. There are only thirteen blimps in the world. David Prowse was the guy in the Darth Vader suit in Star Wars. Camel's milk does not curdle.
Many hamsters only blink one eye at a time.
In every episode of Seinfeld there is a Superman somewhere. Australia have participated in every Games. No word in the English language rhymes with month. There are two credit cards for every person in the United States. An iguana can stay under water for 28 minutes.