1. The longest time between two twins being born is 87 days.

2. The world's deepest postbox is in Susami Bay in Japan. It's 10 metres underwater.

3. In 2007, an American man named Corey Taylor tried to fake his own death in order to get out of his cell phone contract without paying a fee. It didn't work.

4. The oldest condoms ever found date back to the 1640s (they were found in a cesspit at Dudley Castle), and were made from animal and fish intestines.

5. In 1923, jockey Frank Hayes won a race at Belmont Park in New York despite being dead — he suffered a heart attack mid-race, but his body stayed in the saddle until his horse crossed the line for a 20–1 outsider victory.

6. Everyone has a unique tongue print, just like fingerprints.

7. Most Muppets are left-handed. (Because most Muppeteers are right-handed, so they operate the head with their favoured hand.)

8. Female kangaroos have three vaginas.