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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
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.
One strand of human hair can hold 100g in weight.
Via the Guardian
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.
You have a unique tongue print.
Some infinities are bigger than others.
Romans used to clean their teeth with urine.
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.
Saudi Arabia imports camels... from Australia.
Via the BBC
High heels were originally for Persian soldiers to make it easier for them to stand in stirrups while horse riding.
Botox is the most lethal toxin known to man.
There is only one country between North Korea and Finland… Russia.
Lobsters don’t age.
Via the Daily Mail
The youngest confirmed mother in history was five years old.
Marie Curie’s notebooks are still radioactive
Via Women's History
The Turritopsis dohrnii, a type of jellyfish, is immortal
Via the Telegraph
In 1975 Professor Jack H Hetherington added his siamese cat as a co-author on a physics paper
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.
The colour orange used to be called ‘red yellow’
Via Huffington Post
Norway once knighted a penguin
Tina Turner’s songs are used to scare birds off the runway at Staverton airport
Via the Independent
Christopher Walken used to work as a lion tamer
Via Vanity Fair
You can be allergic to semen
Via Columbia university
Andy Garcia was born with an undeveloped conjoined twin around the size of a tennis ball attached to his shoulder
More: Here are 24 phenomena which prove nature is actually marvellous