When researchers examined the brain of Albert Einstein, they noticed something unusual. A stronger-than-average connection between the two hemispheres—what some refer to as a “genius bridge.”

Today, thousands of people have started experimenting with this same short daily routine. Many say it helps them feel more mentally sharp, less distracted, and more in control of their thoughts throughout the day.

If you’re curious how this works, there’s a short video that breaks it down step by step.