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You know you read that section of your book, but… you just can’t recall what it said. Sound familiar? Memory is a tricky thing, and when we’re stressed or sleepy it’s the first thing to take a hit. So, how do we hack our memories? A recent study found that repeatedly reviewing a concept—literally repeating it out loud in our own words—caused the memory pathways in our brain get stronger. Try it out and read more in this month’s issue of online magazine.