See this too: http://www.slate.com/articles/health_and_science/books/2013/02/jared_diamond_the_world_until_yesterday_anthropologists_are_wary_of_lack.html http:

See this too: http://www.slate.com/articles/health_and_science/books/2013/02/jared_diamond_the_world_until_yesterday_anthropologists_are_wary_of_lack.html http://www.slate.com/articles/health_and_science/books/2013/...