Sea otters will hold hands while they're sleeping, so they don't drift apart.

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Eating dates in the last 4 weeks before labour helps with birth.

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In Brazil, the Juruena River flows underground through caves, creating a ‘ghost river.’ Locals call it sacred due to its mystical sound.

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The McDonald's Gold Card, which allows you to order food for the rest of your life, absolutely free.

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Grand Theft Auto was originally a racing game called Race’n’Chase, however a glitch made the police cars go crazy, ramming the player. This glitch was so popular with testers that they rebuilt the game around it, creating GTA.

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In France, it's illegal to publish photographs of handcuffed suspects until they've been convicted.

Doing so before a conviction is a threat to personal dignity; as they would appear to be guilty anyway.

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The smell of cinnamon improves cognitive function and memory.

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The very first computer weighed 30 tons and looked like this.

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In Australia, Lake Hillier has bright pink water. The color comes from algae that produce a pigment, and it doesn’t fade even in a bottle! Scientists are still studying why the lake is so unique, but swimming is prohibited.

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Getting less than 6 hours of sleep each night can decrease life expectancy.

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To protect paintings from rodents, around 70 cats work at the Hermitage.

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When a person dies, his sense of hearing is the last to go.

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Research suggests that spending money on experiences rather than material possessions tends to bring people more happiness in the long run.

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Sheffield FC is the oldest soccer club recognised by FIFA, having been founded in October 1857.

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Son Doong in Vietnam is the largest cave in the world. There is a fast subterranean river flowing inside it, trees growing up to 3 meters high, and even real clouds are formed under the vaults due to the great temperature difference!

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Cherophobia (fear of happiness) is an attitude towards happiness in which individuals may deliberately avoid experiences that invoke positive emotions or happiness because they think something bad will happen after.

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Josef Koeberl from Austria broke the world record when he managed to stay 2.5 hours inside a glass box filled up with ice cubes.

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Sir Isaac Newton's apple tree still stands today, more than 350 years after it helped him discover gravity.

Sadly, in 1816 despite their best efforts, the tree was blown down in a storm. Some branches were removed but a large portion of the tree was left and re-rooted.

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In 1942, a Mexican farmer stumbled upon Paricutin volcano, which grew right in his field. Within a year, it rose 424 meters, and the farmer’s village was destroyed by lava. It’s the only volcano whose birth humans witnessed!

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