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TIL - The size that acorns grow to is partly dictated by how large the mouths of birds and squirrels are - if the acorns grow too large the animals can’t disperse them away from the tree which is critical for germination an seedling growth

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BgJne TIL about the OODA loop - a process created by a US Airforce Pilot instructing one to - Observe, Orient, Decide, Act. He applied the concept to combat operations, but its since been expanded to many areas of life, including commercial operations and even parenting
7raRP TIL that the 'Frisbee' was named so after a local pie company 'Frisbie Pies' sold many to students at the local college who used to finish the pie and throw the empty tray around for fun yelling 'Frisbee' in case anyone nearby was in danger of being hit.
VMwZm TIL of Phytophotodermatitis, a skin condition caused by exposure to sunlight after handling citrus fruits
LQ6rr TIL about FADs (fish aggregating devices), which are man-made floats or buoys tethered to the ocean floor. Fish are fascinated with and aggregate in considerable numbers around floating objects which provide a “visual stimulus in an optical void.” 1/3 of global tuna are caught using FADs.
1aPv4 TIL about Marina Raskova, the first woman in the Soviet Union to achieve the title of professional air navigator. She convinced Stalin to form three all-female combat regiments