› added 7 years ago

164

TIL that L. Frank Baum, author of "The Wizard of Oz", wanted to exterminate all remaining American Indians in the 1890s

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Y7PQA TIL about Low-background steel, any steel produced prior to the detonation of the first nuclear bombs in the 1940s and 1950s and now typically found in shipwrecks. It is often used for modern particle detectors because more modern steel is contaminated with traces of nuclear fallout.
oBjE TIL that a man named Arthur Lintgen can correctly identify a piece of classical music by simply analyzing the grooves on a vinyl record.
x6baD TIL that the Earl of Elgin, from 1801 to 1812, removed about half of the surviving sculptures of the Parthenon in Greece.
0wD9M TIL about Photic Sneezing, which is caused by looking at bright lights, rather than by irritants in the nasal passage. Only around 18-35% of people have them and it’s a genetic condition. It’s also known as ACHOO Syndrome.
OGM81 TIL that scallops have up to 200 eyes and that they contain tiny crystals that act like concave mirrors like on the Hubble telescope