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TIL in WW2 the U.S military initially recommended adding armor to areas of aircraft with the most bullet holes. However due to survivorship bias - where people or things that do not make it past a selection process are not factored into a decision - those were places that already had enough armor.

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XNpX TIL that coral reefs once thought completely dead from heat, bleaching, CO2 induced ocean acidification, and other stressors can recover faster than anyone thought in what’s called the Phoenix Effect
R5jpw TIL about Ovicula, a plant discovered in 2024 by Big Bend National Park botanist Debra Manley. Named "wooly devil" because of its hairy leaves and ray florets resembling devil horns, it is the first new plant species discovered in a U.S. National Park since 1976.
R5gd9 TIL of the Ancient Greek politician Hyperbolus, who put forward a motion for ostracism (exile) in an attempt to have one of the two more popular politicians ostracized. Instead, the two factions put aside their differences and voted to ostracize Hyperbolus. He was the last Athenian to be ostracized.
R5nMw TIL that Natalie Imbruglia’s Torn was a cover of a cover; it was first recorded in 1993 by Danish singer Lis Sørensen, then by the original songwriters’ band Ednaswap 1994, then by Trine Rein in 1996, before becoming a massive international hit with Natalie’s 1997 version
6Eejw TIL that if you were to stand at the top of the Olympus Mons on Mars, the tallest planetary mountain in the solar system, you would not be able to tell you were on a mountain due to the shallow slope in the mountain extending further than the horizon line, which is a mere three kilometers away.