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9

TIL how canyons are formed

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d8W0r TIL that Playboy is a major manufacturer of school girl uniforms in Japan and is used by ordinary school students. Most of them are unaware of the true nature of the brand.
yV9J TIL there is a highly venomous spider in Australia whose fangs are able to penetrate a shoe.
PYr5G TIL a cow from Bulgaria was almost killed because it wandered off outside the EU borders lacking the necessary paperwork.
BgBnd TIL an analysis of Beethoven's hair found high levels of lead, arsenic & mercury. The high amount of lead in particular likely contributed to his deafness. One lock of hair had 380 micrograms per gram & a second one had 258 micrograms. A normal level of lead is around 4 micrograms or less per gram.
5gPP TIL that after water, concrete is the most used substance in the world.