There's a café in France which charges €7 for a coffee to rude customers and €1.40 to people who talk politely to staff.
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After coming across a "very sweet" homeless man from Jamaica named Michael on a night out, Londoner Jenny Baker took to Twitter, and within hours, using the hashtag #getmichaelhome, had raised thousands of pounds so that he could return home to Jamaica where he said he would be "happy again".
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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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Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
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