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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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
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In 2012, as phone booths become increasingly obsolete because of mobile phones, a Japanese artist has turned several booths in Osaka into aquariums.
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Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
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In 2012, redditor laporkenstein forged his own wedding ring out of a Gibeon meteorite.
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In Brazil, prison inmates can reduce their sentence by 4 days (up to 48 days a year) for every book they read and write a report on.
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Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
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