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TIL that during the siege of Tyre in 332 BC, Alexander the Great ordered the construction of a kilometre-long causeway between the island and the Lebanese mainland that, in addition to facilitating the breaking of the siege, collected sediment and turned the island into a peninsula.

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OGArX TIL that it was once proposed to bury nuclear waste at the bottom of the Mariana Trench, with the theory that tectonic plate subduction would eventually push it down into the Earth's mantle
VBRxD TIL that while there are numerous instances of feral children being found living in close proximity to animals, there are no eyewitness accounts of animals feeding human children. They are kept alive by human caregivers, being abused and neglected
ADnjd TIL Mongols used catapult to send dead soldier bodies infected by the plague across the walls.
R7ERj TIL The Selmer Company claims a 42 percent share of the U.S. professional band instrument market and 25 percent of beginner instrument sales. Over three-fourths of its unit sales are made to student musicians. Sales rose and fell in concert with the birth rate, albeit with a 10- to 11-year lag
mxg4O TIL that blindsight is a specific form of blindness that allows people to respond to visual stimuli in their environment despite not being able to consciously see anything.