The practical way to a better memory

It seems like every week a new study reveals some wacky way to boost your memory. For example, chewing gum and sipping cocoa (not at the same time) were recently linked to improved recall. Not surprisingly, the evidence backing these theories is a little thin. But there are plenty of carefully researched, science-backed methods to fire up your mind's recall and retention. Here, 10 you should definitely try.