Articles with the keyword: 


Animal Intelligence and the Evolution of the Human Mind
jerry submitted, created time 2 months 3 weeks (www.sciam.com)
The human brain lacks conspicuous characteristics—such as relative or absolute size—that might account for humans’ superior intellect. This article in Scientific American is a smoothly written and interesting discussion of how scientists have found ways to measure intelligence in non-human species--especially primates--and of the speculation on the reasons behind human intelligence. 
\ 1
\