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TIL Charles Drew, the inventor of the “blood bank” and pioneer of successful blood transfusions, died during a failed blood transfusion after a car accident

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Brrxr TIL About Transcranial Magnetic Stimulation which is a technology allow the use of small magnets to stimulate brain centers treating various mental ailments.
QNdNX TIL the U.S. Air Force is the world's largest air force, while the U.S. Navy is the world's second largest air force
AD09w TIL Not all bats live in caves. These thumb-sized Honduran White Bats sleep in leaves in the rainforest. They are polygamous. Each leaf-tent houses a single male and his harem of up to six females.
epZL TIL a New York criminologist designed the ‘Truth Chamber’, It was covered in mirrors so the suspect was forced to stare at countless reflections of himself, the interrogating officers could adjust the color of the lighting to make the suspect appear “worn and haggard” and give a confession.
dDDRj TIL that deepsea crustaceans excrete aluminum gel to protect themselves in the crushing depths of the ocean