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TIL that in an experiment done on mice with Alzheimer's, exposing them to lights flickering at 40hz for an hour, reduced the beta-amyloid plaques in their brains by 50%.

Read more nia.nih.gov

via reddit.com

5VMXr TIL that the maps, that William Clarke made during his famous 1803 expedition with Meriwether Lewis were done with such accuracy that they were only off by 40 miles from his starting point in Camp River Dubois in Illinois to the Pacific Ocean.
W7od TIL Cuba has a lower infant mortality rate than the USA
lol67 TIL 1 of 3 job exemptions in US child labor laws are for “the making of evergreen wreaths”
m1llv TIL About the "Disney Dollar", A currency created by the Disney Company for use within their various theme parks and hotels. While you can still redeem them today, the official printing ended in 2016 after use for nearly 30 years. The values were 1-1 with standard US Dollars.
Y7VGB TIL that sugar isn’t directly bad for your teeth, but rather it creates the perfect environment for bacteria in your mouth to thrive, and they produce acid as a byproduct which IS bad for your teeth.