With St. Patrick’s Day almost here, I’m reminded of the good old days trying to find lucky four-leaf clovers in my lawn as a kid. Of course, some years it was hard because clover is a weed and my dad would spray to get rid of them.

Clover normally has three leaves, but sometimes a mutation produces a fourth leaf. When I found one, I was sure good luck would come my way. Little did I know that this belief has a long history. Four-leaf clovers were considered an omen of good fortune by ancient Celtic peoples.

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