› added 4 years ago

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TIL about the Costasiella kuroshimae (AKA "leaf slug" or "leaf sheep"), a species of sacoglossan sea slug that has the ability to retain the chloroplasts from the algae it feeds on and use them to photosynthesize its own energy.

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Oo6Pa TIL about Lonelygirl15, one of the earliest successes on Youtube less than 2 years after launch: what seemed like an authentic teenage girl's vlog was actually a scripted series that kept its fictional status hidden for several months, and stayed a success even when people learned it was scripted
rRngo TIL: how to convert miles to kms. Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21... Let any term be the no. of miles & the next term is≈ the no. of kms: 2miles≈3km|3miles≈5km|5miles≈8km|8 miles≈13km. The ratio of consecutive terms converges to the golden ratio (1.618), & the no. of kms in a mile=1.609
8aVRP TIL about Leo Marks, WW2 cryptographer, who was given a 20 minute training exercise on his first day at work which took him the whole day to complete. He had accidentally not been given the cipher key and ended up breaking a code that was meant to be secure.
x6pKb TIL that emergency contraceptive pills aren’t abortifacients in any way you would define a start of pregnancy
Zx1a TIL the North Korean government is one of the largest counterfeiters of U.S. $50 and $100-dollar bills, dubbed “superdollars,” as they are so close to the real thing that they’ve been referred to as “just U.S dollars not made by the U.S. government.”