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

2. The worlds deepest post box is 10 meters underwater in Susami Bay, Japan.

3. 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.

4. Everyone has a unique tongue print, like a fingerprint.

5. Female Kangaroos have three vaginas.

6. The loneliest creature on Earth is a whale who has been calling out for a mate for over two decades — but whose high-pitched voice is so different to other whales that they never respond

7. The northern leopard frog swallows its prey by using its eyes. It uses them to help push food down its throat by retracting them into its head.

8. Buzz Aldrin was the first man to urinate on the moon.

9. In 1567, the man who was said to have the longest beard died by tripping over his beard while running away from a fire.

10.  Sigurd the Mighty, a ninth-century Norse earl of Orkney, was killed by an enemy he had beheaded several hours earlier. He’d tied the man’s head to his horse’s saddle, but while riding home one of its protruding teeth grazed his leg. He died from the infection.

11. A family of people with blue skin lived in Kentucky for many generations. The Fulgates of Troublesome Creek are thought to have gained their blue skin through combination of inbreeding and a rare genetic condition known as methemoglobinemia.

12. There is a glacier called “Blood Falls” in Antarctica that regularly pours out red liquid, making it look like the ice is bleeding. 

13. A U.S. park ranger names Roy C. Sullivan held the record for being struck by lightning the most times, having been struck — and surviving — seven times between 1942 and 1977. He died of a self-inflicted gunshot in 1983.

14. There’s an opera house on the U.S.–Canada border where the stage is in one country and half the audience is in another. 

15. There is a single mega-colony of ants that spans three continents, covering much of Europe, the west coast of the U.S., aIso the west coast of Japan.