A recent study came out showing birds are more intelligent than expected possibly because of neuron density. [1] I find it easier to believe, without evidence o

A recent study came out showing birds are more intelligent than expected possibly because of neuron density. [1] I find it easier to believe, without evidence of course, that the brain became more compact rather than losing processing power. A neuroscientist on brain size and intelligence: https://neuroscience.stanford.edu/news/ask-neuroscientist-does-bigger-brain-make-you-smarter https://neuroscience.stanford.edu/news/ask-neuroscientist-do... [1] http://www.pnas.org/content/113/26/7255.full http://www.pnas.org/content/113/26/7255.full