Despite the fact that humans are not the only creatures on Earth who have brains, our brain is probably the least understandable one. They say we only use 5-10% of its incredible functions and abilities while the other 90% are still hidden from the humankind. However, if you feel like 10% are too little for such a talented and skillful person as you are, no worries, there are numerous ways to make your grey substance work more effectively. And here you can find 9 ways to do it!