In particular, 'Jews' are a sub-race produced by the written word.
Without the effects of reading and writing, 'Jews' could probably never have existed. There are other technical possibilities, for the future: here's an interesting comment: It will be interesting when face-recognition software ... members of cryptic in-groups [and races].' Jewish control of media has suppressed popular discussion of all this; 'politically correct' writers such as Richard Dawkins go to great lengths to avoid any mention of important human racial differences.
Some otherwise serious investigators omit the entire issue of Jewish deliberate promotion of dysgenics (or 'malgenics').
Roger Pearson's Heredity and Humanity (1996) discusses the entire heredity question without mentioning Jews once; they are not even in the index, although anyone serious can identify them, for example 'Ashley Montagu'.
Jew Subversion Studies Program Jewish Aims in Destroying White Societies.