Evanston Township High School in Illinois played Justin Bieber's 'Baby' as a fundraiser between classes. Students had to pay to stop it. $1,000 was collected in 3 days.
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The first foreigner to become a samurai was an African slave.
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In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
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Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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In 2012, redditor laporkenstein forged his own wedding ring out of a Gibeon meteorite.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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