Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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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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When the 2013 government shutdown threatened the closing down of a national program giving medical attention and meals to children, John D. Arnold donated $10 million of his own money to keep it afloat.
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There is a fake village with fake shops and restaurants that is actually a care home for elderly dementia sufferers in the Netherlands.
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It 'snows' metal on Venus.
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Hockey player Jarome Iginla donates $2,000 to the children’s charity Kidsport for every goal he scores. Since 2000 it has added up to more than $700,000.
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