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The definitive list of the world' s most unexpected facts

Dina RickmanAug 21, 2014 (Picture: Getty

1

If you eat a polar bear liver you could die. They have too much Vitamin A, which is toxic to humans in large amounts. Via the University of Cambridge

2

Before mating a male giraffe will smell a female giraffe’s urine to check she is ovulating in a process known as the Flehmen response. Via the World Animal Foundation.

3

One strand of human hair can hold 100g in weight. Via the Guardian

4

Honey does not go off. Your great-great-great-great grandchild could eat a jar of honey you bought five years ago without any problems. Via i09

5

(Picture: Getty) You have a unique tongue print. Via springer

6

Some infinities are bigger than others. Via i09

7

Romans used to clean their teeth with urine. Via smithsonianmag

8

Double agent Joan Pujol Garcia won an Iron Cross from the Germans and an MBA from the Brits for his work in World War II. Via MI5

9

Saudi Arabia imports camels... from Australia. Via the BBC

10

(Picture: Getty) High heels were originally for Persian soldiers to make it easier for them to stand in stirrups while horse riding. Via Kodoom

11

Botox is the most lethal toxin known to man. Via the BBC

12

There is only one country between North Korea and Finland… Russia. Via imgur.

13

(Picture: Alamy) Lobsters don’t age. Via the Daily Mail

14

The youngest confirmed mother in history was five years old. Via Yahoo

15

Marie Curie’s notebooks are still radioactive Via Women's History

16

The Turritopsis dohrnii, a type of jellyfish, is immortal Via the Telegraph

17

In 1975 Professor Jack H Hetherington added his siamese cat as a co-author on a physics paper Via UCLA.

18

(Picture: Getty) Oceanographer Robert Ballard was on a secret Cold War navy mission to check on sunken nuclear submarines when he found the remains of the Titanic. Via Bloomberg

19

The colour orange used to be called ‘red yellow’ Via Huffington Post

20

Norway once knighted a penguin Via the BBC

21

Tina Turner’s songs are used to scare birds off the runway at Staverton airport Via the Independent

22

(Picture: AP) Christopher Walken used to work as a lion tamer Via Vanity Fair

23

You can be allergic to semen Via Columbia university

24

Andy Garcia was born with an undeveloped conjoined twin around the size of a tennis ball attached to his shoulder Via the Telegraph More: Here are 24 phenomena which prove nature is actually marvellousKeep reading...Show less

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