The brain is pretty much like a beautiful mess if you look inside. But in that chaos, all your neurons are working in uniform. They know their way around the mess. This 3D scan video below shows every synapse.

Made by National Geographic, it just tells us how little we know about the brain. The video shows how super thin slices of mouse brains can let us better understand how the brain connects and communicates with each other.

Check it out in the video below: