Other: Rejection and ridicule
I was the only student from third grade on who aced all of the science-related assignments, but because I sucked at sports in a jock-run school system, no one took me seriously when it came to science-based discussions, even when I was right (which was most of the time).
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.