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TIL-Planned systemic obsolescence is deliberately making a product obsolete by altering the system in which it is used as to make its continued use difficult such as not accommodating forward compatibility in software, or changing screws so that they cannot easily be operated on with existing tools.

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KOwRR TIL If following the USDA guidelines, you can't simultaneously meet both their potassium and sodium intakes
R7Xo4 TIL of Wendigo Psychosis, a psychiatric disorder found only in some native Canadian tribes. After periods of starvation, individuals believed that they were influenced by, or becoming a Wendigo (cannibalistic folk monster). Some individuals, instead of attempting to find food, actually ate people.
5YyVQ TIL Australians eat white bread with butter and sprinkles (and they love it!)
KOj4a TIL The first cat in space was a black and white stray named Félicette. She travelled on a French rocket Veronique and stayed 15 minutes in space. She returned safely home, before being euthanized by scientists to research the brain's activity after travelling to space.
yWxw TIL the West African Ebola outbreak is linked to people eating bats.