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TIL The Shroud off Turin was carbon dated to be from around ~1300 AD

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OG6p6 TIL that 'Off the Derech' is an expression used to describe a departure from a Jewish lifestyle. A 2013 survey on American Jews found that 52% of Jewish adults who were raised Orthodox, were no longer Orthodox.
wlPM TIL some large telescopes use liquid mercury for a reflective mirror instead of glass. The rotating liquid assumes the paraboloidal shape regardless of the container’s shape and has a much lower cost than traditional glass mirrors.
oBe07 TIL the FBI mounted a 4-year-long undercover surveillance operation to nab Jared "The Subway Guy" Fogle, after he made some inappropriate comments about middle school girls to a female reporter
oB0PW TIL that Amazon offers refunds if your guaranteed delivery date is late. You need to contact Amazon customer service, but you'll either get your delivery fees refunded or a free month of prime (if you're a prime customer). Some customers have even reported e-gift cards.
gMEPy TIL the smaller chunks that break off of icebergs are officially called "bergy bits"