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TIL Charles Baldwin, designer of the international Biohazard symbol, said regarding his design, “We wanted something that was memorable but meaningless, so we could educate people as to what it means.”

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5Vw5Q TIL in 1982, Sune Bergstrom won the Nobel Prize in physiology and medicine. His son Svante Pääbo, who was the result of an affair, won the same prize in 2022, despite a very distant relationship with his father. This was the 8th time a parent-child pair both received the Nobel.
GYleg TIL that in 24% of all cases studied where dogs were left alone with their dead owners, the dogs began eating their masters in under 24 hours - even when dog food was available
b6mrE TIL that ducklings swim in a line behind their mother in order to reduce drag and propel themselves forwards
mOeO TIL a lawyer in Toronto fell to his death in 1993 after he threw himself against a window on the 24th floor of a building in an attempt to prove to a group of visitors that the glass was “unbreakable”, an act he had done twice before. The glass did not break, but popped out of the window frame
a8bBN TIL that the Apollo astronauts left retroreflectors on the Moon in 1969 that still allow scientists to measure the Earth-Moon distance with lasers to within a few millimeters.