@article {2891,
	title = {Environmental variation as a major selective force in the evolution of large brains.},
	journal = {Nature Communications},
	volume = {7},
	year = {2016},
	month = {2017},
	pages = {13971},
	url = {http://www.nature.com/articles/ncomms13971},
	author = {Sayol, F. and Maspons, J. and Lapiedra, O. and Iwaniuk, A.N. and Szekely, T. and Sol, D.}
}