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TIL that the phrase "Jet Black" refers to a gemstone and not an airplane

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Ka6B TIL a Greenland shark was tagged off Greenland in 1936 and recaptured in 1952. Its measurements suggest that Greenland sharks grow at a rate of 0.5–1 cm (0.2–0.4 in) per year, thus the largest individuals may live about 200 years, making them among the longest-lived vertebrates on Earth.
xjb TIL the nylon American flag planted on the moon during Apollo 11 cost $5.50, was knocked over by exhaust from the Lunar Module’s ascent, and is likely disintegrated by four decades of heat, UV rays and radiation.
wLeRM TIL The Queen of England still has a Champion. The title is currently held by a 64 year old accountant.
gR5b TIL the Italian words widely used in New Jersey differ greatly from mainstream Italian today not because of bad “copying” but because the words came from people speaking an Italian dialect that subsequently died out in Italy
ABg4 TIL thousands and thousands of mites closely related to spiders live in the pores of your face. They come out at night to mate and lay their eggs. Scientists aren’t sure of their purpose or what they eat