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TIL A study with over 1,600 patients concluded that acetaminophen is ineffective for low back pain and it worked no better than placebo to speed up recovery

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yQeev TIL that Canada, which is 1.4% Sikh, has more Sikhs than any country other than India (1.9% Sikh)
GAR5g TIL Crown shyness is a phenomenon in which the trees do not touch each other. The phenomenon is most prevalent among trees of the same species, but also occurs between trees of different species.
mBRM TIL that between 2180 and 2160 BC a tunnel was built under the Euphrates River to connect the two halves of Babylon. It was the biggest underwater tunnel until one was built beneath the Thames in 1824.
loaDa TIL about the saffron crocus flower that is used to make the most valuable spice in the world (by weight)-- saffron. It can take 50,000–75,000 plants to produce 1 pound of saffron.
v18v7 TIL that gold coins are carried by elite military units as emergency currency in war and conflict situations behind enemy lines