Scientists are continually discovering new things about the human brain, yet it remains a subject shrouded in mystery. These fifteen facts are just the tip of the iceberg when it comes to studying the brain, but they shed light on some important aspects of the brain.

It’s crazy to think that something that is mostly water controls all seven billion people in the world, and that there are 100 billion neurons working constantly to keep us all functioning. Plus, your brain generates enough energy to power a lightbulb, which gives a whole new meaning to the symbol of a lightbulb appearing above someone’s head when they get an idea!

If nothing else, after reading this you’ll finally understand why yawning is contagious.

What do you think is the most interest fact about the human brain?

Love this infographic?