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TIL that goats have rectangular pupils

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g1aW TIL that the average height of a Dutch man increased by almost 10 inches since 1856
Lkmdr TIL, the first TV commercial was 10 second ad for Bulova Watch Company on July 1st, 1941.
9yxG TIL a JFK assassination witness claimed to see an suspicious unidentified man standing in the window of the school book depository, who later fled the scene. His testimony was ignored, he was intimidated several times, and there were several attempts on his life.
X8Nj TIL the chemical composition of emotional tears differs from those secreted due to irritation (such as tears caused by onions). Emotional tears include more protein-based hormones such as prolactin and leucine enkephalin, a natural painkiller that acts as the mechanism that allows one to feel better
GLx7 TIL that less than 1% of Sweden’s trash ends up in landfills