Due to shortage of criminals, Dutch prisons are being converted into hotels

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This is what a doctor's hand looks like after wearing a protective suit and gloves for over 10 hours

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Engaging in unfamiliar activities is the best way to develop your brain

Talking to people who are more intelligent than you is also a powerful way to develop your brain

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Prototypes of socks originated in ancient Greece, they were made of leather and were only worn by women in the home, for men it was considered shameful

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Japanese gum pads have pieces of paper in them, so you can put your used gum there if there's no bin nearby, and throw it away when it's convenient for you

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Any Rubik's Cube 3x3 position can be solved in no more than 20 moves

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About 2% of women have a mutation of the eye. This allows them to see 100 million more colours

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An average of 247 billion emails are sent every day

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An ostrich's eye is bigger than its brain

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The most common pain is back pain

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The elephant needs large ears to cool its body, like an air conditioner

Heat is released through the blood vessels in the ears. To speed up air circulation, elephants flap their ears

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Peniaphobia - fear of being poor and without money

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Platinum used to be considered wrong silver and thrown in the water

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Indian schools are accepting plastic instead of tuition fees. So children from poor families get an education, helping the planet

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There are eight colours of eyes in the world. The rarest colour is considered to be purple eyes

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1 in 4 people can compose a message without looking at the phone screen

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Forgetfulness is good for the brain

Removing unnecessary information helps the nervous system stay flexible

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The kakapo is the world's only flightless parrot

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Surfing is included in school curricula in Hawaii

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In the Livermore fire brigade hangs a 4 watt electric light bulb that has been working almost continuously since 1901

It's only gone out a few times during power outages and twice during moves

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A woman's body contains 6 times more gold than a man's

@Factographer