› added 1 year ago

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TIL that the feeling of being awake when you’re actually sleeping is a disorder called paradoxical insomnia and the reason for it is unclear.

Read more sleepfoundation.org

via reddit.com

PZnJ TIL that the metallic “coin smell” is not from the coins themselves, but that it is actually a body odor produced when you touch the coins
KMX4 TIL less knowledgeable people are more likely to over estimate their knowledge, and more knowledgeable people tend to underestimate.
a8wxy TIL Dandruff isn't from a dry scalp as many people believe, but from an overly oily one.
VBM7k TIL that the Shunganunga boulder, a 23-ton red quartzite rock, was moved by glaciers from the Dakotas to Kansas hundreds of thousands of years ago; the boulder is sacred to the Kanza tribe (expelled from the state named after them) and Shunganunga translates to "Big Red Rock" in their language.
kOKke TIL The sun makes up 99.8 percent of the mass in the solar system.