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TIL A Charlie Brown Christmas essentially killed the popularity of aluminum Christmas trees single-handedly. Within two years after its release, aluminum trees were no longer regularly manufactured.

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g1y TIL that there is a company that uses human fetal kidney cells to develop and amplify flavors. They are partnered with Nestle, Campbell’s Soup, Kraft Foods and Pepsi.
Bg1Yx TIL about the Haymarket Affair, an 1886 incident in Chicago where labors striking for an 8hr workday were dispersed by police w force, killing a protestor. In response at the next rally, a protestor threw TNT at the cops, killing several w several more on both sides dying in the ensuing gunfight.
xVx6w TIL that camera flash should always result in natural/red pupil. And any observation of white eye when looking directly at camera, should be immediately reported to an ophthalmologist to rule out a rare form of eye cancer.
yVx8p TIL Apple didn't invent Siri, they merely purchased it from an existing company.
awBmM TIL about Jadav Payeng, "The Forest Man of India," who has planted tens of thousands of trees over the course of nearly 40 years. He has made bloom a once desiccated island that lies in the Brahamputra river, which runs through his home state of Assam.