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TIL Canada was once a world leader in weaponizing mosquitos and plague-infected fleas, even surpassing American and British bio-warfare development efforts during WW2

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0drmp TIL Elton John's moving song "Someone Saved My Life Tonight" was written as a tribute to a friend who talked him out of suicide and helped him come to terms with his homosexuality. The friend was musician Long John Baldry more well known nowadays for voicing Dr. Robotnik in the 90s Sonic cartoon.
P1jGO TIL that elemental mercury (quicksilver) poses few toxic consequences when ingested, whereas metallic mercury vapour is highly toxic to the central nervous system
9w4dQ TIL - that Bluey is a girl
NXpRN TIL Washington’s dentures were made of a mix of human and animal teeth
4kBXb TIL that in 2009 the US launched a satellite so secret that no government agency admits to owning it. Even the name, "Palladium at Night", is mysterious.