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TIL In 2011 3-D mapping revealed an ancient Mayan city under a Guatemalan rain forest

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gM0QX TIL Princeton has a Professor of Hip Hop teaching special topics in hip hop dance with a focus on Breaking
D1ywg TIL that Bangladesh has a Floating market just for selling Guavas!
X0OvE TIL that the name of the orchid comes from the Greek word for testicle, "ὄρχις", because of the shape of the twin tubers in some plants of the genus Orchis. This resemblance is also why the Middle English word for certain orchids was "bollockwort", from "bollock" (testicle) and "wort" (plant).
9YokB TIL social psychologist Stanley Milgram found randomly selected Mid-westerners could deliver a package to a Divinity Student in Boston via personal connections in an average of 5.9 steps (i.e. 6 degrees)
dAkE TIL when cats are stalking their prey, they “chatter” their teeth because they are so intensely fixated on their prey that they are envisioning biting on them already. This is called: the “vacuum reaction”