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TIL Some People Base Romantic Compatibility on Blood Type

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gMny4 TIL a Coast Guard K9 is always one rank higher than their handler, signifying that the handler works for the dog instead of the other way around.
60M7 TIL Albert Einstein’s son, Hans, was a famous hydraulic engineering professor who developed important equations for sediment transport in rivers. When reporters asked Albert what he thought of his son’s career, he replied, “He is working on a more difficult problem”
J1Pvl TIL in 2012, a tour group visiting Iceland announced that they had lost track of a group member. A woman decided to help with the intense police search to find the fellow traveler. The search lasted for several hours, before the woman realized that the person everyone was searching for was herself.
YKAx TIL of the corn field bomber. A fighter jet that landed itself on a cornfield after the pilot ejected from it following an unrecoverable spin. His act of ejection changed the center of gravity of the plane allowing it recover. It went back into service after minor repair work.
4kbR5 TIL that California Community Colleges is the largest university system in the United States with 1.8 million students. But this is still less than one third of the largest in the world - Indira Gandhi National Open University in India, with 7.1 million.