In the US, it is legal for women to be publicly topless in 33 states. Male toplessness became legal in 1936.
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Oral sex was illegal in 18 states under old sodomy law until 2003 when they were invalidated.
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Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
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In Cuba, hitchhiking is encouraged and government vehicles are legally required to pick up hitchhikers.
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In Kentucky, US, every citizen is required by law to take a bath at least once a year.
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