A very interesting article by a psychologist on whether dogs and two year olds are comparable in intelligence. She uses her own 2 year old son and dog as examples. Fun read.
http://www.nytimes.com/2011/11/20/o...er-than-a-2-year-old.html?_r=1&pagewanted=all
http://www.nytimes.com/2011/11/20/o...er-than-a-2-year-old.html?_r=1&pagewanted=all