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TIL that by 1935 the life expectancy of an S&P 500 company was 90 years. By 2010, it was only 14 years and shrinking

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4Xo15 TIL that Ring Around the Rosie is a song about bubonic plague (black death) from England.. and it used be “and we all fall dead” but they omitted ‘dead’
wlGY TIL that the intense rationing in England during WWII actually reduced infant mortality by guaranteeing nutrition to everyone.
vlZr TIL The term X-mas doesn’t originate from the deletion or “x-ing” out of Christ like some people believe. The X is taken from the Greek word “Χριστός” or khristós (the anointed one).
LkG1d TIL that researchers figured out a way to break into locks by using a smart phone to record the sound of a key being inserted. They were able to narrow down the range from more than 330,000 keys to 3.
5Yxdp TIL the Grand Canyon Museum had three buckets of radioactive uranium ore on display for 18 years, and only found out when a kid was goofing around with a Geiger counter