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TIL An ant mill is an observed phenomenon in which a group of army ants, which are blind, are separated from the main foraging party, lose the pheromone track and begin to follow one another, forming a continuously rotating circle. The ants will eventually die of exhaustion.

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Zpw6Q TIL the Portuguese Man o’ War is a colonial organism, where many organisms form one unit. They produce both sexually and asexually. First, the male and female polyps release gametes into the water which, when fertilized, result in larvae that then begin to reproduce asexually to create a new colony.
gQwL TIL Morality is present in animals and predates religions.
gMvMD TIL that during the Chenrobyl disaster - Alexei Ananenko, Valeri Bezpalov and Boris Baranov accepeted a suicide mission to release a safety valve in time and, in doing so, saved the world from a disaster that would have been exponentially worse than the initial explosion.
OobOL TIL about food scientist Robert Baker who invented the chicken nugget in a laboratory at Cornell University in the early 1960s. He successfully created a "chicken stick" that would retain form when freezing or frying. Instead of patenting the invention, he sent the recipe to hundreds of companies.
BMDL TIL that due to American Public Law 94-479, by the 94th Congress, George Washington is protected from being outranked by any officer in past, present, and future - so if there’s a 6 star general, Washington is automatically upgraded to 7.