Suzana Herculano-Houzel is a neuroscientist who did a TED talk below on

The human brain is puzzling — it is curiously large given the size of our bodies, uses a tremendous amount of energy for its weight and has a bizarrely dense cerebral cortex. But: why? Neuroscientist Suzana Herculano-Houzel puts on her detective’s cap and leads us through this mystery. By making “brain soup,” she arrives at a startling conclusion.

BTW, check this post out using the edit button. You’ll see that there’s a “short code” built into WP.org software for TED embedding videos in our website. Very simple, you’ll appreciate.