How the "10 Percent of Our Brains" Myth Started (And Why It's Wrong)

Morgan Freeman can make anything sound legit no matter scientifically implausible. In Lucy for example, which premiered last Friday, his character cites the "fact" that humans only use about 10 percent of our brain's resources. This is very, very wrong! But why does it keep getting tossed around? And how much of our… » 7/29/14 12:00pm 7/29/14 12:00pm