Habits that are actually signs you're smarter than you think

Studies Show That People Who Doodle Have an Advantage Over the Rest of Us
You probably don't doodle on purpose. But somehow, whenever you happen to have a pen in hand and should be, well, focused, the margins of your notebook seem to fill up with lopsided hearts and your name in cursive (or maybe that pointy S we all drew in the '90s). But while many of us consider our doodling to be a distraction, it may be just the opposite. According to research, all that free-form scribbling can actually help you concentrate and retain information, especially during dull tasks.