
Researchers have shown that intelligence in animal species can be estimated by the size of the holes in the skull through which the arteries pass.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/kr1V_my59UA» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kr1V_my59UA/150715091256.htm