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TIL about Garrett Morgan who with only an elementary school education went on to patent several inventions, including an improved sewing machine and traffic signal, a hair-straightening product, and a respiratory device that would later provide the blueprint for WWI gas masks.

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awLo0 TIL: Over the past two centuries, Singapore’s land area has expanded by a 25% – from 58,150 to 71,910 hectares (or 578 to 719 sq km).1 This gradual increase in land surface is not because of tectonic movements but rather the miracle of a man-made engineering feat known as land reclamation.
ADeel TIL that Daft Punk's "Touch" and "Beyond" are collaborations with Paul Williams, who also cowrote The Muppets' "Rainbow Connection". His 1974 movie, Phantom of the Paradise, inspired their robot helmets.
gkM8 TIL Lord Timothy Dexter, late 1700s American businessman, faked his own death, but after attending his own funeral and not seeing his wife cry, revealed himself and caned her for not grieving hard enough
EnNd TIL that there is a species of rhino that is so endangered, that it has its own 24 hour armed gaurds to protect it from poachers.
7rWQM TIL the Great British Knot Experiment found that cords have a much smaller chance of tangling when their ends are tied together to form a loop. The result has also been used by pharmacologists to control microscopic loops in DNA and viruses.