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TIL That Urea (formerly extracted from horse urine) is a functional skin-softener and humectant, which means it helps to collect and hold moisture in the skin.

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EgokX TIL butt dials to 911 increase during summer when roller coaster rides are more common.
8xVP TIL reusable grocery bags need to be used over 100 times before they are better for the environment.
5YGrP TIL of Alcibiades, an ancient greek general who'd served not one, not two, but three nations during the Peloponnesian War. After being exiled from Athens by his enemies, he played a pivotal role in their downfall whilst serving Sparta, and vice versa when he served Athens again until he got exiled.
Eg8pd TIL That Ancient Romans used to bleach their clothing because it contained ammonia, an effective cleaning agent.
g7AA TIL that during depression you see less contrast, making the world really appear greyer