Two thirds of the public and almost half of science teachers believe the same myth: that we only use 10% of our brains. This is not true! The misunderstanding stems from a quote from William James and has somehow transformed into faux-fact that implies 90% of our brains are just idle. Watch this video to find out how much of our brains we actually use and why. Also, next time you hear someone say “we only use 10% of our brains” you set them straight, and tell them Lifehack sent you!