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509

TIL: You can be allergic to allergy medicine

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69ME8 TIL when seeking an alternative to scarce copper for the Manhattan Project, Manhattan asked the Treasury for 6,000 tons of silver and were told that the Treasury did not deal in tons, their unit was the Troy ounce. Manhattan would eventually borrow 408 million Troy oz (14,000 tons) of silver.
BgnMy TIL that in 1881, an Egyptian obelisk called Cleopatra's Needle was erected in NYC’s Central Park. Beneath it lies a time capsule holding the 1870 U.S. census, a Bible, Webster’s Dictionary, Shakespeare’s complete works, a guide to Egypt, and the Declaration of Independence.
xVwbb TIL Conservation efforts are saving the kākāpō on Codfish Island that are being threatened by the fungal infection Aspergillosis.
LX8p TIL when Mel Blanc went into a coma in 1961, his doctors got him to communicate by addressing him as Bugs Bunny. Blanc responded in character but did not remember the conversations.
ARwd TIL not a single cactus grows in the Sahara, as cacti are native only to the Americas.