Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
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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.
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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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