Everyone saw the apple fall. Only Newton asked Why.
Being uncertain about the answer to the riddle below may be a pleasant reward-anticipating feeling when you know this will be revealed, but will turn into frustration if the answer is missing. https://www.youtube.com/watch?v=p-QtOcZHcOo Curiosity, the emotion that moved the cat. I wrote a little bit about how my own insatiable curiosity kept [...]