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TIL Eleanor Roosevelt regularly refused Secret Service protection, and instead traveled with a .22 Smith and Wesson on her person.

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8abDG TIL of the world's rarest insect, the land lobster, which is found only on an island one-eighth of a square mile in size, in a small patch of shrubs growing on a single rock ledge.
gr65W TIL the parasitic wasp Habrobracon can cope with over 180 times of a Human’s lethal radiation exposure. While a Cockroach can survive 6 to 15 times the lethal dose for Human’s.
J1wjv TIL that Isekai is on of the most popular genres of Japanese science fiction. It revolves around a person or people who are transported to and have to survive in another world, such as a fantasy world, virtual world, or parallel universe. Isekai traces it's roots back ancient Japanese literature.
YpwOA TIL Monarch butterflies migrating North take 3-4 generations to make it to their destination. Gen 1 does not get to its Northern destination; Gen 3 or 4 does. To return, Gen 3 or 4 flies the entire route South. Then Gen 3 or 4 begins flying N. laying eggs along the way that start Gen 1 migrating N.
1aA4r TIL that Stephen Colbert's father and two of his brothers were killed in the plane crash that sparked the FAA's Sterile Cockpit regulation back in 1974.