The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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In 2002, Kenyan Maasai tribespeople donated 14 cows to the US to help with the aftermath of 9/11.
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Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
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Lentil As Anything, a successful Australian restaurant, allows its customers to pay whatever price they feel like paying for the food.
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