If I hand you a baby without warning, chances are you’ll instinctively take them and cradle them with their head on your left side. Approximately 70 percent of people prefer to hold babies facing to the left. The tendency is more pronounced in right-handers and women, but it appears to be universal. Children have a…

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When you were a kid, maybe you read The Little Engine That Could, a story about a modest train locomotive whose persistence pays off. One possible reason for this story’s popularity is that many parents see persistence as a core ingredient for life success to pass on to their children. This emphasis on hard work…

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