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TIL there's a Japanese museum of rocks that look like faces

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NkBJ TIL in 1991 a man found a first printing of the Declaration of Independence, inside the frame of a $4 painting he’d bought at a flea market. It sold at auction for $2.4 million.
rRNd4 To strain out the nasty stuff we breathe in. It’s like an air filter in your house, says Justin Turner, an otolaryngologist (short, sort of, for otorhinolaryngologist, Greek for ear (oto), nose (rhino), and throat (laryng)) at Stanford University. Nose hairs trap dirt, viruses, bacteria and toxins until we blow them out, sneeze, or swallow.
japj TIL 10 to 15% of George Washington’s army during the Revolutionary war was Black.
0lnL TIL that before 194 BC, using sticks and shadows, Eratosthenes of Cyrene calculated the Earth’s circumference with an error between 2 and 15%, and calculated the tilt of the Earth and the distance of the Sun to the Earth with near perfect accuracy.
X0wp8 TIL that Baked Beans actually originated from the United States