In their early careers, Sylvester Stallone and Jackie Chan both took part in porn.
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In 2007, a Bosnian couple found out that they had been cheating on one another in online chatrooms... with each other.
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In 2011, there were 3 known cases around the world of twins coming from different fathers.
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The Rain Man (Laurence Kim Peek) was the only savant known to science who could read two pages of a book simultaneously - one with each eye.
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