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TIL, out of top ten Air Forces in the world, USA occupies 4 spots. US Air Force is 1st, US Army Aviation branch is 2nd, US Naval Air Force is 4th and US Marine Corps Aviation is 7th. Talk about overkill.

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Zpaa4 TIL: About a company that is genetically engineering poplar trees (already fast-growing, asexually spreading trees) to reduce their energy needs by adding metabolic genes from pumpkins and algae. The engineered trees grow 1.5x than controls. They've planted 600 trees in Oregon and plan to do more.
Zyxp TIL: In 2011, a man’s death was officially listed as “starvation” from a celery only diet.
X0n4r TIL that Alaska has a much higher rate of missing persons per 100,000 residents than any other state, standing at a stark 42.16 compared to the next highest, Arizona, with 12.28.
l7MBB TIL the Japanese baseball team the Chunichi Dragons has a Koala mascot named Doala the Koala.
xXOD TIL that The emu and red kangaroo are on the Australian coat of arms, because they are unable to move backwards and symbolize the nation moving forward constantly