Oswald Spengler on the causes of mutation accumulation, William D Hamilton on group selection

*
http://iqpersonalitygenius.blogspot.co.uk/2015/03/spengler-on-demographic-trends-leading.html


http://iqpersonalitygenius.blogspot.co.uk/2015/03/wd-hamilton-describes-rise-and-demise.html

*