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TIL watermelons originated in Africa and were first cultivated solely for their water content; their flavor was very bitter.

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ADK4g TIL Cats do not need to blink on a regular basis to keep their eyes lubricated. Unblinking eyes are probably an advantage when hunting. Cats will, however, squint their eyes, usually as a form of communication expressing affection and ease around another cat or human.
Z8mEB TIL: That FEMA monitors Waffle House's decision to close restaurants to gauge storm response
MNw8 TIL Saudi Arabia promotes practice of marriage between close relatives which has produced high level of several genetic disorder including thalassemia, sickle cell anemia, spinal muscular atrophy, deafness and muteness.
M4Vb TIL that the Wizard of Oz tornado was a big sock with wind and dirt thrown at it.
y9Wp TIL that Crocodile Hunter Steve Irwin and his wife Terri didn’t wear wedding rings because they feared it may pose a risk for themselves or the animals they worked with