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TIL Rinsing with Xylitol sugar after brushing drastically reduces mouth bacteria

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oV1r TIL Neither Stalin nor Hitler have the title of worst genocide ever. Mao Zedong, of China, killed an estimated 63 million
4x9w TIL a Black Robin named Old Blue has become the mother of her entire species when she was the last fertile female in a group of 5 Robins. There are now 250 Black Robins on the Chatham Islands, and have raised their status from Critically Endangered to Endangered.
OoJdg TIL that the ancient Chinese bound women's feet in "lotus shoes" measuring three inches in length, as smaller feet on women forced them to walk in a way that was considered erotic.
LWOm TIL while Dirk Willems was escaping from a prison across an ice covered pond, a guard noticed him and chased him. The guard ended up breaking the ice and falling into the water, begging for help. Willems turned back and saved him, only for the guard to recapture the prisoner and have him executed
ADP74 TIL that scientists successfully cloned an extinct goat back to life, but it died very shortly due to breathing problems.