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TIL about Deadline, 1944 sci-fi story about the use of nuclear bomb. It includes topics such as uranium enrichment, methods of isotopic separation and moral questions about the weapon. Author had no knowledge of Manhattan project and came up with the idea from scientific journals.

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wo5Lo TIL That until Sept 25, 2017, sign stealing in baseball was typically un-enforced. After the Yankees were caught in 2016, and Red Sox in 2018 an investigation was conducted and only the Astros were penalized because they were found to have done it after the Sept 25th memo.
GYNG4 TIL that about 90-95% of infants in films are played by twins or triplets, due to child labour laws that restrict how long they can be on set.
J1yKl TIL Clint Eastwood weighed 11 pounds 6 ounces (5.2 kg) at birth, prompting hospital nurses to nickname him "Samson", and he is descended from Mayflower passenger William Bradford, making him a 12th generation American
Vvlk TIL that refrigerator doors became magnetic in 1956 because kids playing would climb into an abandoned fridge, pull the door shut and realize too late they were trapped. The door seal prevented air from getting in and the kids’ screams from getting out, and in a short time they’d suffocate.
Yp4Zv TIL despite being described in ancient texts as foreign invaders and barbarians; the Hyksos were born in Egypt, had lived there for centuries, practiced international diplomacy, were culturally diverse, and greatly contributed to Egyptian culture. They even introduced the iconic horse and chariot.