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TIL Mister Rogers narrated his feeding of the fish every day because he got a letter from a young blind girl who was worried the fish were hungry.

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LWrd TIL only one of the Seven Wonders of the Ancient World still exists
mMBE TIL a driver license in Arizona expires on your 65th birthday and until then, drivers only need new photos every 12 years.
lwA TIL that Birds are capable of seeing a 4th primary color (in the ultraviolet spectrum) totally invisible to humans. It allows them to see a both a totally different fundamental color, and all derivatives obtained by mixing it with the other three primary colors. The color Shmurple does exist.
Yp65v TIL in 1993, an FBI agent in a gorilla suit helped catch Mexican zoo officials who were attempting to smuggle primates from America to Mexico illegally. The five people that were caught were charged with trafficking primates in violation of federal laws protecting endangered species.
Pj7E TIL Listerine coined the term ‘halitosis’ in order to boost the sales of their mouthwash by telling people that they had a health condition. This has historically been one of medicalization’s most successful stories.