Learning is essential in everyday life. Whenever we make a choice, we need to know whether to repeat it or to try a different course of action. But what makes us learn or prevents us from learning? A ...

This summer, my kids spent time hanging out with their cousins who were visiting from out of town. My kids range in age from 11 to 19 years old. Their cousins are between 6 and 9 years old, but age ...

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