Why do you think the human brain has more convolutions than a pig brain?
1 answer
http://www.google.com/search?q=brain+convolutions&tbm=isch&tbo=u&source=univ&sa=X&ei=7qcSU4XrEKjhyQHF24CgBQ&sqi=2&ved=0CCQQsAQ&biw=1366&bih=643
1 answer