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TIL "Donald" is an Old English name that means "ruler of the world"

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W6PX TIL Ronald McNair (killed on the Challenger) was the second black man in space, had a black belt in karate, and a Ph.D. in physics from MIT. He had a sax with him on the trip and had planned to compose the first sax song in space.
QwAe TIL casu marzu, a Sardinian cheese, contains live maggots which can jump up to six inches. Squeamish consumers sometimes put the cheese in a sealed bag. Starved for oxygen, the maggots jump around creating “pitter-patter” sounds; once the sounds stop, the maggots are dead and the cheese is eaten.
Lk50d TIL that the Soviet Union successfully landed 10 probes on the surface of Venus between the years 1961 and 1984. In spite of the short life spans of the Venera landers due to the extreme surface conditions, several of the landers were still successful in transmitting imagery from the surface.
x6Xd7 TIL that there was a mutualistic relationship between human whalers and orca around twofold bay Australia until 1930, it may have been 1,000s of years old.
7rEZX TIL Microsoft sank a data centre to investigate if it could boost energy efficiency. It could sit on the sea floor for up to five years.