Exploring the historical roots of the superstition of knocking on wood for good luck, tracing back to the ancient Celts' beliefs in tree spirits and protection. The chapter also touches on a University of Chicago study examining the psychological impact of engaging in superstitions for luck.
What's the deal with knocking on wood? It's an action one takes to ensure good luck. Which doesn't exist. Yet we do it. Humans are funny that way.
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