A couple from Bristol who had trouble selling their house, found out they had an original Banksy on their wall, and received twice the asking price by selling the painting with a house attached.
7
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
13
Passengers on the Beijing subway can pay with plastic bottles.
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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.
14
Korean Okhwan Yoon left behind a profitable business to cycle the world in aid of world peace. For over 9 years, he has biked across 192 countries on six continents, and has survived 6 car accidents, malaria, extreme temperatures, robbery, and kidnapping.
16