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TIL The magnetic north pole moves around 55 kilometres (34 miles) a year. It crossed the international date line in 2017, left the Canadian Arctic and is headed to Siberia. This presents a problem for compasses in smartphones and other electronics.

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5oeB TIL Cinnamon can prevent mold growth. Scientists have created cinnamon-based packaging that can prevent mold in bread in other baked goods.
xBab TIL that there is an entirely independent food chain that lives deep in the ocean, that is effectively independent of sunlight, and these life forms are the leading candidates for extra-terrestrial life.
9YKgB TIL Every 2 years, 2 ATMs nicknamed, "The Loneliest ATM" in remote Alaska are serviced and brought up to speed and technology. The vendors chosen for that job undergo a psychological exam and a physical to make sure they’re equipped to deal with the Antarctic climate in case they get held over.
9YeVm TIL Beneath the streets of Cincinnati OH is the largest abandoned subway tunnel system in the US. Construction began in the 1910s but was halted by WWI and then canceled indefinitely during the Great Depression.
ZpwnQ TIL that Karl Silberbauer, the Nazi police officer who raided and arrested Anne Frank and her family, bought her diary to see if he was mentioned in the book.