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TIL: that the phrase ‘devil’s advocate’ comes from a medieval job title. The ‘advocatus diaboli’ was the guy tasked with coming up with counter arguments when a priest was nominated to be blessed or canonized.

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PKoE TIL the CIA used “weather modification” as a tactical weapon by increasing rains(cloud seeding) over Vietnam during the Vietnam War in order to slow Vietnamese military activity in the region.
VMvBD Today i learned about the 3D visualization of the Bile duct and Gall bladder.
roK1 TIL that the last McDonald’s burger sold in Iceland before its closure in 2009 is on display at a hostel in Reykjavik. And you can watch a live webcam of the burger, which turns 7 today.
vPOWR TIL in 1989, Tokyo was worth twice as much as the entirety of United States because of the Japanese Real Estate bubble
OLEe TIL that during sleep cerebral spinal fluid flows through the brain on the OUTSIDE of the brain’s blood vessels and that the CSF removes brain cell waste including amyloid beta protein. This flow only occurs during sleep. Amyloid beta protein buildup is involved in alzheimer’s.