i think that supports a point that is emerging in a number of these programs that howard gardner has made, that there are multiple intelligences. you can be strong in some things and weak in others and conversely you can have serious compromise of function and do exceedingly well. that probably holds for the two of us. >> charlie: this is charles darwin's book, the expression of the emotions in man and animals. darwin was amazing. >> amazing man. he was without a doubt the most important biologist who ever lived. he not only formulated the theory of evolution but he realized that behavior evolved. just like body parts evolve, so does behavior evolve. you can see examples of human behavior in simpler animals. and since emotion is an important feature of behavior, you can see expressions of emotion in animals and you could detect that. he looked around at different groups of people living throughout the world and he realized that they all had a fixed number facial expressions. six or seven that expressed different emotions. and those are conserved. so whether you're living in the orien