@article {334826,
	title = {The cultural niche: Why social learning is essential for human adaptation},
	journal = {Proceedings of the National Academy of Sciences},
	volume = {108},
	number = {26},
	year = {2011},
	pages = {10918-10925},
	isbn = {0027-8424},
	author = {Boyd, Robert and Peter J Richerson and Henrich, Joseph}
}
