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TIL while the chloroplasts of nearly all known photosynthetic eukaryotes derive ultimately from the a single cyanobacterium taken in by a eukaryote a billion years ago, there are 3 species of amoeba which had taken on a cyanobacterium more recently and whose endosymbiont is called a chromatophore

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8ePNb TIL the "Messiah" Stradivarius violin is the only Stradivarius that is considered to be in "like new" condition, having been played so infrequently that it has basically no wear.
a8JLL TIL that Six Flags of New Orleans was Abandoned after Hurricane Katrina. The Park is an overgrown swamp now with the attractions still up as they were pre-hurricane.
1aBMD TIL in the 18th century, the wealthy would keep live "garden hermits" or, people that would dress as druids and live in handmade grottos among the properties. They would be used as entertainment, could not cut their hair or nails, and were often treated as sages.
B9PD TIL In 1945, after Japan had conceded defeat in World War II, Sony founder Masaru Ibuka invented a product to try and serve the millions of homes who had electricity but lacked the appliances to use it. The result was an electric rice cooker.
78ov7 TIL About CRISPR-Cas9’s New Frontier: Rewriting Genetic Memories and sickle cell disease.