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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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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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 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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Raj from the Big Bang Theory is married to Miss India.
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Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
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