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TIL In the first half of the 20th century, state sponsored campaigns dynamited roosting areas, taking large numbers of American Crows. A campaign in Oklahoma from 1934 to 1945 dynamited 3.8 million birds.

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R5ok9 TIL the “20Q” (20 questions) handheld game, a toy released in 2003 and famous for its scary level of accuracy, actually used a basic implementation of an AI neural network. It used training data gathered from users of a web-browser based implementation of the game which launched in 1994.
5oYk TIL that the lead author of the US government’s controversial report strongly recommending against prostate cancer screening is a female pediatrician.
9wW0G TIL On March 16, 1968 Hugh Thompson, a US Army helicopter pilot, played a pivotal role in ending the My Lia Massacre in a southern Vietnam village. Thompson threatened to open fire on American troops if they continued to harm innocent civilians. His extraordinary actions prevented further tragedy.
jdNX TIL a marketer for Kraft Foods rotated their square Shreddies cereal 45 degrees, and re-marketed them as the new “Diamond Shreddies”. The new product showed a large increase in sales and test groups even reported a difference in flavor.
aJA TIL That physicists won the Nobel prize in 2010 for peeling graphene off pencils with scotch tape