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TIL the Saint Louis Arch is as wide as it is tall (630 feet x 630 feet)

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9YGj6 TIL about “ultraconserved” words, which are 23 words that have been mostly unchanged over 15,000 years and are currently in use in many languages today
DQYwe TIL that the Incans genetically modified and hybridized crops such as potatoes at sites like the Moray Terrace.
ZRLo TIL: Alaskan salmon fisherman feared Bald Eagles were a threat to the salmon population. As a result more than 100,000 bald eagles were killed in Alaska from 1917 to 1953.
rdb4 TIL that when Marilyn Manson was asked what he would say to the students of Columbine, he replied, “I wouldn’t say a single word to them; I would listen to what they have to say, and that’s what no one did.”
KO9Dw TIL that Mitochondria, the powerhouse of the cell, is not a part of our DNA, but instead is a bacteria that developed a symbiotic relationship with cells some 1.7 to 2 billion years ago.