Social Network Size Linked to Brain Size | Science News | Scoop.it
From www.scientificamerican.com - August 10, 2012 5:13 AM

Our brains are not as large as they are in order to provide each of us with the raw computational power to think our way out of a sticky situation, instead our brain size helps each of us to deal with the large and complex network of relationships we rely on to thrive.