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TIL Milk contains Magnesium, Calcium, B Vitamins and Theanine, all of which can help lower anxiety and depression.

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Z8LnD TIL devices that use optical sensors like heart rate monitors, fitness trackers, oximeters, and motion activated soap dispensers can be unreliable for people with dark skin
R74G9 TIL an MIT researcher was concerned about the censorship of human genitalia on extraterrestrial messages, so he recorded & transmitted the sound of ballerinas' vaginas contracting. The Air Force terminated the project, but test messages made it to two nearby stars in 1996 & 1998.
XEoB6 TIL John Hathorne was the only judge in the Salem Witch Trials never to apologize for his actions. His great-great grandson, Nathaniel Hawthorne, added a W to his last name to distance himself from him.
KpGQ TIL that the Prophet Mohammed considered sex without foreplay an act of cruelty, and any man who neglected it an animal.
Mep4K TIL there is a shortage in chemotherapy treatment medications across the USA due to the slim profit margins that medical companies make from them.