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TIL many staplers have a setting for temporary stapling

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eppgg Today I learned that the blue component of the light spectrum is essential for phenolic compounds (flavonoids, phenolic acids, etc.) production and accumulation in higher plants. This is possible thanks to photoreceptor signaling, especially involving cryptochromes.
LkJRQ TIL that Homo erectus stood about 1.79m (5'10"). Only 17% of modern male humans are taller - Their fossils were the oldest known early humans to have possessed modern human-like body proportions. And they are the longest lived human species around 9 times as long as our own species H.Sapiens.
4Veo TIL that in the UK, there is a limit to the number of coins you can use in a transaction.
WmEN TIL a US born nun was killed in Brazil for speaking out about the effect agriculture was having on deforestation of rainforests.
WMB TIL there are no KFCs in Tibet in part because the Dalai Lama wrote them a letter explaining how the mass slaughter of chickens violated Tibet’s traditional values.