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TIL that a group of scientists used mouse skin cells to create stem cells and then used these stem cells to create mouse eggs. These eggs were then fertilized and produced healthy baby offspring. These latter mice were able to have their own babies.

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4Xxao TIL 40s Hollywood talent agent Henry Wilson had a stable of young, attractive clients (including Rock Hudson) who he frequently coerced into sexual relationships in exchange for publicity and film roles. He died destitute, & was buried in an unmarked grave.
LWKv TIL a mysterious lady dressed with a headscarf like a Russian grandma, the Babushka Lady, was seen at the JFK assassination taking pictures of the event, and the FBI publicly asked for her to step forward with any pictures she took but she never came forward
07j5 TIL That through a series of experiments in the Polytechnic Institute of New York, a robotic fish ended up becoming the leader of a school of live fish.
PxPn TIL, In 1242, all of Western Europe could have been destroyed had the Mongol horde’s leader, Ögedei Khan, not died of alcohol poisoning during a hunting trip; forcing the horde to return to Mongolia to choose a new Khan.
WkBxL TIL There is no Federal statute mandating that a private business, a person, or an organization must accept currency or coins as payment for goods or services. Private businesses are free to develop their own policies on whether to accept cash unless there is a state law which says otherwise.