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TIL a 2019 study by Drexel University (in addition to many other studies) found that houseplants do not improve air quality or otherwise purify the air.

Read more drexel.edu

via reddit.com

6EBvX TIL that Iron Giant book ends with the Iron Giant defeating a "Space-Bat-Angel-Dragon" the size of Australia in a contest of pain endurance. The Iron Giant then commands the alien monster to bring peace to humanity by flying around the Earth singing the "music of the spheres".
MBBV TIL two men were brought up on federal hacking charges when they exploited a bug in video poker machines and won half a million dollars. His lawyer argued, “All these guys did is simply push a sequence of buttons that they were legally entitled to push.” The case was dismissed.
9YXer TIL that, from 1933 to 1945, more than two-thirds of the faculty hired at many Historically Black Colleges and Universities were Jewish refugees who had come to the United States to escape from Nazi Germany.
9YBBD TIL about the botched execution of William Williams. The sheriff miscalculated the length of the rope, resulting in Williams hitting the floor, 3 deputies held his body up by the rope for over 14 minutes, he died of strangulation. The state of Minnesota abolished capital punishment right after.
OW01 TIL in Ancient Rome, besides famous gladiator fights there were so-called Naumachia ‒ naval battles taking place in huge artificial basins with seating tiers surrounding them, similar to amphitheatres.