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TIL that elephants are the only other mammal that have a chin.

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x60OB TIL that the hawk-eye technology, used for video assistance in sports like soccer and tennis, was first implemented in a 2001 cricket match between England and Pakistan.
Mxjm TIL that the Big Bang was first theorized by a Catholic priest
Lgrp TIL that Jazz musician Billy Tipton lived for 74 years, had four sons, and several wives; and none of them knew that Billy Tipton had female body parts, Tipton went to great lengths to disguise birth gender; making up a big web of fascinating lies
7rYVb TIL Encyclopedia Britannica’s own market research showed that the typical encyclopedia owner opened his or her volumes less than once a year. They bought them for prestige, not for knowledge.
awRnJ TIL that an owl’s eye color tells you when they are most active. Dark eyes mean most active at right, orange eyes mean most active at dusk and dawn, and yellow eyes mean most active during the day..