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TIL That actor Viggo Mortensen is also an author, that has had over 20 books of his poetry, photography, and painting published

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78X6L TIL the beginning in 1963 until as late as 2006, tattooing was illegal in many large US cities like New York, Milwaukee and Norfolk, and even entire states like Massachusetts and Oklahoma.
O7d6 TIL the first commercial digital navigation system, Etak, was released in 1985, before commercial GPS. The founders had to digitize their own maps which were so accurate they’re still in use today, including in Apple’s Maps app.
9Yxe6 TIL THC, the most psychoactive part of cannabis, is believed to be involved in the plant's self-defense against insect predation, ultraviolet light, and environmental stress. But humans use it to get high.
9YpRM TIL that Edward Eagan from Denver, Colorado is the only Olympian to receive gold in both the winter and summer Olympics for bobsled and boxing
oMjR TIL we often suffer from the illusion of transparency; we assume our emotions are more apparent to others than they really are. In experiments participants generally think others can tell they are nervous when giving a speech, but usually the observers are less aware of their anxiety than expected.