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TIL Nikola Tesla apparently never slept more than 2 hours per day. He slept 15 minutes ever 4 hours. His lack of sleep may have contributed to his hallucinations, fueling his creativity.

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lo0MB TIL Before 1995, anyone who wanted a domain name could register it FREE OF CHARGE. That all changed when the National Science Foundation awarded tech consulting company Network Solutions the ability to charge for registration. Domain prices began at $100 for a two-year registration.
W79GL TIL Metallica has its own philanthropic organization called All Within My Hands devoted to "creating sustainable communities by supporting workforce education, the fight against hunger, and other critical local services."
KO4PB TIL Neuroscientists have found evidence to suggest feeling powerful dampens a part of our brain that helps with empathy. Even a small amount of power can have this effect on someone
690lJ TIL SSRIs, benzodiazepines, and antihistamines can make you heat intolerant, and more susceptible to heat stroke
rb6W TIL the Earth’s mantle is so extremely viscous that it takes at least 50 million years to complete a convection circuit. The mantle has only moved an average of 18 feet since the pyramids were built