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Growing up in rural Ontario, I would talk with older folks about politics. A favorite topic was Quebec, and how those selfish French Canadians wouldn’t fight in the Boer War, the First World War, and the Second World War. Later, as a student in Quebec City, I would hear the other side. French Canadians saw those wars as foreign entanglements of no concern to them. They were willing to fight and die, yes, but only for their own soil. That may seem selfish, but so were we with our slavish loyalty to the British Empire.

The folks back home would have disagreed. The Empire wasn’t just for the British or even for Europeans in general. It was for people of all races and religions. It was an instrument for raising everyone up to British standards of fair play, morality, and civilization. In short, for making the world a better place. Take up the White Man’s burden …

Such talk puzzled me, even as a kid. The sun had long ago set on the British Empire. There was the Commonwealth, but why would its leaders defend our imperial heritage? Most of them had fought for independence from the Empire. They valued the British connection only to the extent that it was useful to themselves and their people.

Some Commonwealth leaders wouldn’t even be that generous. When Robert Mugabe dispossessed the British farmers remaining in his country, we could only look on helplessly. A century ago, people called the Ottoman Empire the “sick man of Europe.” Today, that title surely applies to the remnants of the British Empire.

There is a difference, though. The Ottomans were militarily helpless. We are ideologically helpless. Our universal morality has been turned against us, and it is in the name of our notions of fair play that we’re giving everything up, often to people, like Robert Mugabe, who make no pretence of believing in fair play. And we accept the logic of the situation. We think it normal to judge ourselves by a harsher standard and others by a more permissive one.

Double standards normally work the other way. Normally, one judges people of another kind by a harsher standard. They are less likely to share the same notions of right and wrong. They are also less likely to feel the sort of kinship affinity that makes people want to help each other and forgive minor wrongs, or even major ones.

But we’re doing the reverse. That kind of situation is inherently unstable, even self-destructive. No other human society has ever attempted such a thing.


All of this seems obvious to me. Why is it less so to other people? The question crosses my mind when I see how thinking men and women respond—or rather fail to respond—to the Rotherham sex-abuse scandal. In an English town of some 250,000 people, at least 1,400 school-age girls were “groomed” for prostitution by gangs of Pakistani origin. Grooming begins with seduction and ends in abduction, trafficking, and confinement. This final stage apparently explains why some 500 girls were missing from the town’s 15 to 19 age group at the last census.

This went on for years without anything being done and little being said. From time to time, the parents of the girls would complain, and the police would immediately investigate … the parents. Finally, in August of this year, a long report broke the logjam of silence by officials and the media (Jay, 2014). There is still a pervasive bias against this news item, as seen in coverage by three online magazines.Slate ran one story about Rotherham and four about Jennifer Lawrence. Jezebel had one story about Rotherham and six about Jennifer Lawrence. Feministing made a passing reference to Rotherham and ran two stories about Jennifer Lawrence (Durant, 2014).

Who is Jennifer Lawrence? She’s an American actress, and last August someone leaked nude photos of her online. That’s why she matters so much more to thinking men and women.

It gets weirder. Social media have become overwhelmingly opposed to quarantining of the Ebola outbreak (Alexander, 2014). At one time, quarantines were considered a progressive measure, the sort of thing you would support as a thinking man or woman. If you didn’t, people would assume you were a fool who knew nothing about modern science.

So what makes the Ebola outbreak different? The difference is simple. Quarantining means that light-skinned people will be detaining dark-skinned people. So we just can’t do it. Because? Because.

The same applies to Rotherham, which was about dark-skinned men seducing, confining and, ultimately, enslaving light-skinned women. That, too, triggers the same mental lockdown—Don’t go there! That’s how thinking men and women unthinkingly respond—or almost anyone who has gone to college and watches TV. The response seems almost Cartesian: I try not to think, therefore I am a moral person.

Unfortunately, we cannot make unpleasant truths go away by ignoring them. Sooner or later, we will have to confront them. We will especially have to confront our universal morality, including the assumption that only light-skinned folks have moral agency and only they are to be held accountable for their actions.

Please don’t get me wrong. I’m not arguing for a new improved universal morality. Morality can never be universal. It is a product of local conditions—to be specific, it arises from a co-evolving system of cultural, historical, and genetic factors. If forced to choose between saving one or the other, we should first save this foundational system. Anyhow, that’s all we can really save. Morality has no existence above and beyond the humans who act it out in their daily lives.

That’s a hard message to swallow, but we will have to. Eventually.


Alexander, S. (2014). Five case studies on politicization, Slate Star Codex, October 16

Durant, J. (2014). John Durant compares coverage of Rotherham abuse vs. Jennifer Lawrence nudes, Twitchy Media, September 3

Jay, A. (2014). Independent Inquiry into Child Sexual Exploitation in Rotherham 1997-2013

(Reprinted from Evo and Proud by permission of author or representative)
• Category: Science • Tags: Ebola, John Durant, Morality, Rotherham 

Are men and women more alike in some populations than in others? It’s possible. First, boys and girls differentiate from each other to varying degrees during adolescence, and this process of sexual differentiation is genetically influenced. There are even conditions, like Swyer syndrome, where an individual is chromosomally male (46, XY) and yet develops externally into a woman.

Second, men and women don’t have the same sex roles everywhere. According to a survey of 93 nonindustrial cultures, men were expected to dominate their wives in 67% of them, the sexes were expected to be about equal in 30%, and women were expected to dominate their husbands in 3% (Whyte, 1978). Sex roles differ to varying degrees even among hunter-gatherers, who correspond to the earliest stage of cultural evolution. In the tropics, women provide more food through gathering than men do through hunting. The reverse is true beyond the tropics, where women have few opportunities to gather food in winter (Kelly, 1995, pp. 128-132; Martin, 1974, pp. 16-18).

There has thus been a potential for gene-culture co-evolution. Wherever men and women behave more alike, natural selection will tend to level any innate behavioral differences between them. This can come about in several ways, but a particularly common one is to reduce the sex difference in prenatal hormonal exposure, i.e., the ratio of testosterone to estrogen in the uterine environment of the developing fetus.

We have a “handy” way to measure this prenatal influence. It’s called the digit ratio: the length of your index finger divided by the length of your ring finger. The lower your 2nd digit to 4th digit ratio (2D:4D), the more you were exposed to testosterone in the womb and the less to estrogen.

English psychologist John T. Manning has pioneered the use of this digit ratio as a way to measure how prenatal male and female hormones influence various behavioral traits. In a recent study, he looked at how prenatal hormones might influence gender equality in different populations. After measuring the digit ratios of participants from 29 countries, his research team averaged the score for each country and compared it with indices of gender equality: women’s share of parliamentary seats; women’s participation in the labor force, women’s education attainment level; maternal mortality rates; and juvenile pregnancy rates. To ensure comparability, all of the participants were of European descent.

The results?

In short, the more similar the two sexes were in 2D:4D, the more equal were the two sexes in parliamentary and labor force participation. The other variables were not as strongly correlated. (Manning et al., 2014)

In general, women from Northwest Europe have more masculine digit ratios, whereas women from farther east and south have more feminine digit ratios. This geographical trend is more pronounced for the right hand than for the left hand. Since the right-hand digit ratio is associated with social dominance, Northwest Europeans may be less sexually differentiated for that particular trait, as opposed to being less sexually differentiated in general.

Presumably, this isn’t a new tendency. Women must have been more socially dominant among Northwest Europeans even before the late 19th century and the earliest movements for women’s suffrage. So how far back does the tendency go? To medieval times? To pre-Christian times? It seems to go back at least to medieval times and, as such, forms part of the Western European Marriage Pattern:

The status of women differed immensely by region. In western Europe, later marriage and higher rates of definitive celibacy (the so-called “European marriage pattern”) helped to constrain patriarchy at its most extreme level.

[...] In eastern Europe however, the tradition of early and universal marriage (usually of a bride aged 12-15 years, with menarche occurring on average at 14) as well as traditional Slavic patrilocal customs led to a greatly inferior status of women at all levels of society. (Women in the Middle Ages, 2014)

Does this geographic tendency go back to pre-Christian times? There is little consensus on this point, as noted in a study of women in Old Norse society:

The conversion of Iceland raises the problem of the impact of Christianity on the female half of the human race. This, in fact, is one of the most controversial issues in women’s history. One point of view argues that Christianity was deeply imbued from the beginning with Jewish and Roman patriarchy, which became intensified by an all-male clergy and resulted in misogyny as the most lasting and profound legacy of Christianity for women. An opposite argument claims that the Christian message was fundamentally a liberating force that included women as well, and although the original radicalism of Jesus on this issue, as on so many others, became diluted with time, women were better off during the Christian period and in Christian countries than they had been before and elsewhere. (Jochen, 1995, p. 2)

Perhaps both arguments are true. As I have argued elsewhere, there may have been a “fruitful encounter” between Christianity and pre-existing behavioral tendencies in Northwest Europe, the result being a significantly different form of Christianity (Frost, 2014).


Frost, P. (2014). A fruitful encounter, Evo and Proud, September 26

Jochens, J. (1995). Women in Old Norse Society, Cornell University Press.

Kelly, R.L. (1995). The Foraging Spectrum. Diversity in Hunter-Gatherer Lifeways, Washington: Smithsonian Institution Press.

Manning, J.T., B. Fink, and R. Trivers. (2014). Digit ratio (2D:4D) and gender inequalities across nations, Evolutionary Psychology, 12, 757-768.

Martin, M.K. (1974). The Foraging Adaptation – Uniformity or Diversity? Addison-Wesley Module in Anthropology 56.

Women of the Middle Ages. (2014). Wikipedia

Whyte, M. K. (1978). The status of women in preindustrial societies, Princeton, NJ: Princeton University Press.

(Reprinted from Evo and Proud by permission of author or representative)

Are we being manipulated by microbes? The idea is not so whacky. We know that a wide range of microscopic parasites have evolved the ability to manipulate their hosts, even to the point of making the host behave in strange ways. A well-known example is Toxoplasma gondii, a protozoan whose life cycle begins inside a cat. After being excreted in the cat’s feces, it is picked up by a mouse and enters the new host’s brain, where it neutralizes the fear response to the smell of cat urine. The mouse lets itself be eaten by a cat, and the protozoan returns to a cat’s gut—the only place where it can reproduce (Flegr, 2013).

T. gondii can also infect us and alter our behavior. Infected individuals have longer reaction times, higher testosterone levels, and a greater risk of developing severe forms of schizophrenia (Flegr, 2013). But there is no reason to believe that T. gondii is the only such parasite we need to worry about. We study it in humans simply because we already know what it does in a non-human species.

Researchers are starting to look at manipulation by another human parasite, a sexually transmitted bacterium called Chlamydia trachomatis. Zhong et al. (2011) have found that it synthesizes proteins that manipulate the signalling pathways of its human host. These proteins seem to facilitate reinfection, although there may be other effects:

Despite the significant progresses made in the past decade, the precise mechanisms on what and how chlamydia-secreted proteins interact with host cells remain largely unknown, and will therefore still represent major research directions of the chlamydial field in the foreseeable future. (Zhong et al., 2011)

What else would a sexually transmitted pathogen do to its host? For one thing, it could cause infertility:

While several nonsexually transmitted infections can also cause infertility (e.g., schistosomiasis, tuberculosis, leprosy), these infections are typically associated with high overall virulence. In contrast, STIs tend to cause little mortality and morbidity; thus, the effect on fertility seems to be more “targeted” and specific. In addition, several STI pathogens are also associated with an increased risk of miscarriage and infant mortality (Apari et al., 2014)

Chlamydia is a major cause of infertility, and this effect seems to be no accident. Its outer membrane contains a heat shock protein that induces cell death (apoptosis) in placenta cells that are vital for normal fetal development. The same protein exists in other bacteria but is located within the cytoplasm, where it can less easily affect the host’s tissues. Furthermore, via this protein, Chlamydia triggers an autoimmune response that can damage the fallopian tubes and induce abortion. This response is not triggered by the common bacterium Escherichia coli. Finally, Chlamydia selectively up-regulates the expression of this protein while down-regulating the expression of most other proteins (Apari et al., 2014).

But how would infertility benefit Chlamydia and other sexually transmitted pathogens? Apari et al. (2011) argue that infertility causes the host and her partner to break up and seek new partners, thus multiplying the opportunities for the pathogen to spread to other hosts. A barren woman may pair up with a succession of partners in a desperate attempt to prove her fertility and, eventually, turn to prostitution as a means to support herself (Caldwell et al., 1989). This is not a minor phenomenon. STI-induced infertility has exceeded 40% in parts of sub-Saharan Africa (Apari et al., 2011).

It gets kinkier and kinkier

Does the manipulation stop there? We know, for instance, that sexual promiscuity correlates with the risk of contracting different STIs, but is this a simple relationship of cause and effect? Could an STI actually promote infidelity by stimulating sexual fantasizing about people other than one’s current partner?

Let’s look at another pathogen, Candida albicans, commonly known as vaginal yeast, which can cause an itchy rash called vulvovaginal candidiasis (VVC). Reed et al. (2003) found no significant association between VVC and the woman’s frequency of vaginal sex, lifetime number of partners, or duration of current relationship. Nor was there any association with presence of C. albicans in her male partner. But there were significant associations with the woman masturbating or practicing cunnilingus in the past month.

VVC is thus more strongly associated with increased sexual fantasizing, as indicated by masturbation rate, than with a higher frequency of vaginal intercourse. This does look like host manipulation, although one might wonder why it doesn’t translate into more sex with other men, this being presumably what the pathogen wants. Perhaps the development of masturbation as a lifestyle (through use of vibrators and pornography) is making this outcome harder to achieve.

A sexually transmitted pathogen can also increase its chances of transmission by disrupting mate guarding. This is the tendency of one mate, usually the male, to keep watch over the other mate. If mate guarding can be disabled or, better yet, reversed, the pathogen can spread more easily to other hosts. This kind of host manipulation has been shown in a non-human species (Mormann, 2010).

Do we see reversal of mate guarding in humans? Yes, it’s called cuckold envy—the desire to see another man have sex with your wife—and it’s become a common fetish. Yet it seems relatively recent. Greco-Roman texts don’t mention it, despite abundant references to other forms of alternate sexual behavior, e.g., pedophilia, cunnilingus, fellatio, bestiality, etc. The earliest mentions appear in 17th century England (Kuchar, 2011, pp. 18-19). This was when England was opening up to world trade and, in particular, to the West African slave trade.

Sub-Saharan Africa has been especially conducive to sexually transmitted pathogens evolving a capacity for host manipulation. Polygyny rates are high, in the range of 20 to 40% of all adult males, and the polygynous male is typically an older man who cannot sexually satisfy all of his wives. There is thus an inevitable tendency toward multi-partner sex by both men and women, which sexually transmitted pathogens can exploit … and manipulate.

What about sexual orientation?

(Reprinted from Evo and Proud by permission of author or representative)
Archaic humans were still around when the Neanderthals were going extinct in Europe

East Africa, 60,000 to 80,000 years ago. The relative stasis of early humans was being shaken by a series of population expansions. The last one went global, spreading out of Africa, into Eurasia and, eventually, throughout the whole world (Watson et al., 1997). Those humans became us.

This expansion took place at the expense of more archaic humans: Neanderthals in Europe, the Middle East, and Central Asia; Denisovans in East Asia; and mysterious hobbit-like creatures in parts of Southeast Asia.

And in Africa itself? We know less about those archaic humans, partly because the archeological record is so patchy and partly because ancient DNA does not survive as long in the tropics. Over time, the double helix breaks down, and this decomposition occurs faster at higher ambient temperatures. We’ll probably never be able to reconstruct the genome of archaic Africans.

Yet they did exist. Surprisingly, they held out longer in parts of Africa than their counterparts did much farther away. A Nigerian site has yielded a skull that is only about 16,300 years old and yet looks intermediate in shape between modern humans on the one hand and Neanderthals and Homo erectus on the other. It resembles the skull of a very early modern human, like the ones who once lived at Skhul and Qafzeh in Israel some 80,000 to 100,000 years ago (Harvati et al., 2011; Stojanowski, 2014).

Archaic humans also held out in southern Africa. The Broken Hill or Kabwe skull, from Zambia has been dated to 110,000 years ago and looks very much like a Homo erectus (Bada et al., 1974; Stringer, 2011). This pre-sapiens human seems to have lasted into much later times. Hammer et al. (2011) found that about 2% of the current African gene pool comes from a population that split from ancestral modern humans some 700,000 years ago. They dated the absorption of this archaic DNA to about 35,000 years ago and placed it in Central Africa, since the level of intermixture is highest in pygmy groups from that region.

Cognitive modernity: less awesome on its home turf

Why did archaic humans survive longer in Africa than elsewhere? Some of them were more advanced than the Neanderthals or Denisovans, and perhaps better able to fend off invasive groups. This was the case with archaic West Africans, who seem to have been transitional between pre-sapiens and sapiens. They may have met modern humans on a more level playing field while enjoying the home team advantage.

On the other hand, archaic southern Africans look clearly pre-sapiens. What was levelling their playing field? Perhaps modern humans had advantages that were more useful outside Africa. Klein (1995) has argued that this advantage was cognitive, specifically a superior ability not only to create ideas but also to share them with other individuals via language—in a word, culture. This cognitive edge may have been more useful outside the tropics, where the yearly cycle forced humans to plan ahead collectively and keep warm collectively by building shelters and making garments. The result was a much wider range of human technology: deep storage pits for meat refrigeration; hand-powered rotary tools; kilns for ceramic manufacture; woven textiles; eyed sewing needles; traps and snares; and so on (Frost, 2014).

Modern humans were thus pre-adapted in Africa for later success elsewhere. We see this in their rapid penetration of cold environments unlike anything in their place of origin. By 43,500 years ago, they were already present in Central Europe at a time when it was barren steppe with some boreal forest in sheltered valleys (Nigst et al., 2014).

Pre-adaptation is a recurring oddity of evolution. A new ability may initially be a bit helpful and only later truly awesome. Does this mean that evolution anticipates future success? Well, no. It’s just that the difference between failure and success—or between so-so success and the howling kind—often hinges on a few things that may or may not exist in your current environment. By moving to other environments, you increase your chances of finding one that will put your talents to better use. Success is fragile, but so is failure.


Bada, J.L., R.A. Schroeder, R. Protsch, & R. Berger. (1974). Concordance of Collagen-Based Radiocarbon and Aspartic-Acid Racemization Ages, Proceedings of the National Academy of Sciences (USA), 71, 914-917.

Frost, P. (2014). The first industrial revolution, Evo and Proud, January 18

Hammer, M.F., A.E. Woerner, F.L. Mendez, J.C. Watkins, and J.D. Wall. (2011). Genetic evidence for archaic admixture in Africa,Proceedings of the National Academy of Sciences (USA), 108, 15123-15128.

Harvati, K., C. Stringer, R. Grün, M. Aubert, P. Allsworth-Jones, C.A. Folorunso. (2011). The Later Stone Age Calvaria from Iwo Eleru, Nigeria: Morphology and Chronology. PLoS ONE 6(9): e24024. doi:10.1371/journal.pone.0024024

Klein, R.G. (1995). Anatomy, behavior, and modern human origins,Journal of World Prehistory, 9, 167-198.

Nigst, P.R., P. Haesaerts, F. Damblon, C. Frank-Fellner, C. Mallol, B. Viola, M. Gotzinger, L. Niven, G. Trnka, and J-J. Hublin. (2014). Early modern human settlement of Europe north of the Alps occurred 43,500 years ago in a cold steppe-type environment, Proceedings of the National Academy of Sciences (USA), published online before print

Stojanowski, C.M. (2014). Iwo Eleru’s place among Late Pleistocene and Early Holocene populations of North and East Africa, Journal of Human Evolution, epub ahead of print

Stringer, C. (2011). The chronological and evolutionary position of the Broken Hill cranium. American Journal of Physical Anthropology,144(supp. 52), 287

Watson, E., P. Forster, M. Richards, and H-J. Bandelt. (1997). Mitochondrial footprints of human expansions in Africa, American Journal of Human Genetics, 61, 691-704. 0024024

(Reprinted from Evo and Proud by permission of author or representative)