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TIL that scientists have engineered micromotors powered by bacteria and controlled by light

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via reddit.com

b6nea TIL about Puppy Pregnancy Syndrome, a cause of death for people infected by rabies in India; when bitten by rabid dogs, some superstitious people in India, both male and female, become convinced they are pregnant with puppies and seek faith healing instead of rabies treatments.
E1087 TIL that the American flag deployed on the moon during the Apollo 11 mission was inserted only seven inches deep and was placed about 27 feet from the Eagle landing craft. As a result, it was blown over by the blast of the rocket exhaust during the takeoff back to Earth.
Rev8 TIL Orson Welles was a lifelong practitioner of magic, and that in 1953 he filmed a short where he pretended to interact from the screen with a live magic performer, and that David Copperfield used this film to interact with him posthumously on television in 1992.
LkgGP TIL that East Germany invested the machinery, housing, farm training, and infrastructure necessary to increase the coffee production in Vietnam, in exchange for 50% of the Vietnamese coffee harvest for 20 years. The first usable harvest occurred in 1990, one year after the Berlin Wall fell.
pYBoN TIL your belly button depth isn’t determined by the cut at birth, but just randomly how your stump heals.