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TIL that there is a monument in Estonia honoring Estonians who served in the Nazi German Wehrmacht and Waffen-SS

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oBWar TIL that if graffiti covers the identification numbers on a railcar the company has to repaint it. Artists have since stopped painting over them as a way to preserve their art longer.
1aRQ7 TIL researchers discovered bacteria that naturally evolved to eat away at polyethylene terephthalate, the plastic known as PET or polyester. While studying the structure of an enzyme found in that bacteria, they accidentally created a “mutant enzyme” that can break down plastic within a few days
JLNQ TIL In May 1997, Mattel introduced Share a Smile Becky, a doll in a pink wheelchair. A 17-year-old high school student with cerebral palsy pointed out the doll wouldn’t fit in the elevator of Barbie’s Dream House. Mattel announced it would redesign the house in the future to accommodate the doll.
P1E6w TIL that the Eurasian magpie is one of the most intelligent birds, and one of the most intelligent of all non-human animals. The expansion of its nidopallium is approx. the same in its relative size as the brain of humans. It is the only bird known to pass the mirror test.
PgvV TIL in 1953, a US Scientist named Frank Olsen was administered LSD without his knowledge as part of the MKULTRA program. A week later, Olsen ended up dead. The CIA claimed Olsen jumped from a hotel window, but later paid the family $750K and a 2nd autopsy revealed he was likely assassinated.