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TIL dairy cows accidentally eat so much metal waste that farmers feed them magnets to prevent internal organ damage

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O8ja TIL that the end of a tape mesaure is supposed to move back and forth to account for its own width in inside/outside measurements
0dy1y TIL Unlike most bivalves, scallops possess up to 200 small eyes along the edge of their mantles. These eyes utilize a concave, parabolic mirror of guanine crystals to focus light, allowing scallops to detect movement and changes in light, aiding in predator detection.
X0L1X TIL the Dominican Republic has had 39 constitutions since 1844, the most of any country
kkrm TIL when Peter the Great found his wife had a lover he had the man beheaded, then forced her to keep her lover’s head in a jar of alcohol in her bedroom which stood in Catherine’s bedroom till Peter’s death.
mA1Y TIL George Crum invented the potato chips after a customer complaint that his french fries were too thick and soft. In order to teach him a lesson, he cut the potatoes as thin as possible, deep fried them to a crisp and salted them. The customers loved them and the potato chips were invented.