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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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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In 2012, redditor laporkenstein forged his own wedding ring out of a Gibeon meteorite.
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A teen in Michigan built a working nuclear reactor. He taught himself how to build it as a weekend hobby project in his basement from ages 15-17 for $3500.
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Steven Callahan spent 76 days at sea while he drifted 1,800 perilous miles across the Atlantic in a rubber raft, battling starvation, thirst, sharks and storms. He later became the technical adviser for the acclaimed movie Life Of Pi.
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There's a road in Lancaster, CA that has grooves carved in such a way that when you drive over them at 55 MPH, they will play a part of Rossini's "The William Tell Overture."
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