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epDw4 TIL that a "dale" is a valley in an otherwise hilly area while a "glen" is a secluded and narrow valley.
b9b67 TIL the word potassium is derived frm 'potash.' This preindustrial way to produce water-soluble possasium was by burning plant matter then soaking the ashes with water in a pot.
aK0N TIL: A NOOK is a small corner formed by two walls; an alcove or recess, forming a hidden or secluded spot. A CRANNY, by comparison, is small, narrow opening, fissure, or crevice in a wall, or other substance.