linkfest – 09/29/13

Do Elite ‘Power Sport’ Athletes Have a Genetic Advantage?“A specific gene variant is more frequent among elite athletes in power sports…. A ‘functional polymorphism’ of the angiotensiogen (AGT) gene is two to three times more common in elite power athletes, compared to nonathletes or even elite endurance athletes, according to the new research by Paweł Cięszczyk, PhD, of University of Szczecin, Poland, and colleagues.”

Ballet Dancers’ Brains Adapt to Stop Them Getting in a Spin – or maybe they start off with somewhat different brain structures: “Scientists have discovered differences in the brain structure of ballet dancers that may help them avoid feeling dizzy when they perform pirouettes…. The brain scans revealed differences between the groups in two parts of the brain: an area in the cerebellum where sensory input from the vestibular organs is processed and in the cerebral cortex, which is responsible for the perception of dizziness. The area in the cerebellum was smaller in dancers.”

Math explains history: Simulation accurately captures the evolution of ancient complex societies“The question of how human societies evolve from small groups to the huge, anonymous and complex societies of today has been answered mathematically, accurately matching the historical record on the emergence of complex states in the ancient world. Intense warfare is the evolutionary driver of large complex societies, according to new research….” see also: Math and History Collide. response: No, math cannot predict the rise and fall of empires. (party pooper.)

Genetic study pushes back timeline for first significant human population expansion“Using new genetic tools, the authors conclude that the first significant expansion of human populations appears to be much older than the emergence of farming and herding, dating back to the Paleolithic (60,000-80,000 years ago) rather than Neolithic age (10,000 years ago). They also suggest that strong Paleolithic expansions may have favored the emergence of sedentary farming in some populations during the Neolithic.” – h/t malcolm pollack!

Scientists Created a New Form of Matter and It’s Like a Lightsaber – AWESOME! – see also: Scientists create never-before-seen form of matter

New Approach to Explaining Evolution’s Big Bang“[T]he Cambrian Explosion was preceded by a rise in sea level that submerged vast swaths of land, eroding the drowned rocks…. But these great floods also poisoned the ocean. The erosion of the coastlines released calcium, which can be toxic to cells. In order to survive, animals had to evolve ways to rid themselves of the poison. One solution may have been to pack the calcium into crystals, which eventually evolved into shells, bones, and other hard tissues. Dr. Smith doesn’t think it’s a coincidence that several different lineages of bilaterians evolved hard tissues during the Cambrian explosion, and not sooner.”

No, You Don’t Have Free Will, and This is Why – best post from jayman. ever. (to date! (~_^) ) a response to this.

Robert Ardrey: Incidents in the Disappearance of an Unperson – ok. i’ve run out of ways to say how brilliant helian’s posts are. just go read him already!

The IQ Breaking Point – How Civilized Society is Maintained or Lost“[I]t seems like there is a point, somewhere around 97, above which a modern civilization can be maintained and below which things abruptly begin to fall apart.” – from staffan!

Maths is a man thing* – from dr. james thompson!

Myths about IQ: Episode I – from elijah!

HBD: On Puerto Ricans and Their Heritage, Part I: Before the Taíno – from nelson!

Understanding how infants acquire new words across cultures“[I]n English, 24-month-old infants were better able to learn novel verbs for novel actions (e.g., petting) if the surrounding noun phrases were explicitly mentioned (e.g., ‘The girl is petting the dog’) than if they were dropped from the sentence (e.g., ‘Look. Petting!’). In contrast, the new research shows that in Korean (a language in which noun phrases are typically dropped in conversation) 24-month-olds were better able to learn novel verbs for novel actions if the surrounding noun phrases (e.g., the girl, the dog) were dropped; in fact, unlike English-acquiring infants, those acquiring Korean struggled if the nouns were explicitly mentioned.” – don’t know, unfortunately, what the ethnicities of these infants are.

The Science Fiction Future of Genetic Genealogy“Next month at the American Society of Human Genetics 2013 meeting, researchers from AncestryDNA will present their work detailing the reconstruction of portions of the genomes of an 18th-century couple using detailed genealogical information and Identity-by-Descent (‘IBD’) DNA segments from several hundred descendants of the couple in the AncestryDNA database. In other words, researchers identified several hundred descendants of a certain couple living in the 1700s and then used the DNA shared by those descendants to recreate as much of the couples’ genomes as possible.” – cool! from the genetic genealogist.

Black men have lower sperm counts than white men – @race/history/evolution notes.

Low-Hanging Fruit: Consider the Ant“Some spiders somehow fly by using silken threads. They’ve been detected at altitudes over 4 km, and more than a thousand miles from land. The usual notion is that these threads catch air currents, but that may not be the real explanation. For one thing, they seem to be able to take off fairly rapidly in a dead calm. It looks instead as if these spiders manage to impart a negative charge to these threads and are then propelled upward by the atmospheric electric field – electrostatic levitation, a totally novel mechanism for flight.” – whoa! – from greg cochran.

Brainwashed by a microbe?“*T. gondii* is being studied for possible behavioral effects mainly because it has attracted so much attention. But we’re probably being manipulated by other parasites. ‘A large number of parasitic organisms probably exist in helminths, protozoa, fungi, bacteria, archea and viruses that may influence the phenotype of their human host even more than the Toxoplasma. These organisms are, however, still waiting for research teams to engage in a systematic study of their influence on the human host.'” – from peter frost. previously.

When the Melting Pot Reaches a Boil“If there is one constant in the travails of *Homo sapiens sapiens*, it is that he gets on best with his own kind. Yet to the social engineers who would shepherd us into multicult euphoria, it is as if these millennia of inter-ethnic strife didn’t exist.”

Humans are not the only primates who whisper – so do the cotton-top tamarins. shhhhhh! don’t tell anyone!

What Else Can I Do With My DNA Test Results? – @the genetic genealogist.

That’s not autism: It’s simply a brainy, introverted boy“Autism spectrum diagnoses are up 78 percent in 10 years. We’re dramatically overdiagnosing it in everyday behavior.” – #longread.

The 16 Most (and Least) Honest Cities in the World – wallet test – finns ftw!

Ancient language not heard for 4,000 years is recorded for the first time – PIE (proto-indo-european).

2,500-year-old horse remains found in Bulgaria that suggest the creatures were buried standing up“The carriage and horse skeletons were discovered in the village of Svestari in north-east Bulgaria. They were found in a Thracian tomb along with some decorations.” – cool photos!

How Alcohol Conquered Russia“A history of the country’s struggle with alcoholism, and why the government has done so little about it.” – take note of anatoly’s comments!

bonus: mitual shah – one of the good guys. one of the VERY good guys: Briton died saving children in terror mall“A British marketing executive was shot dead in the Westgate massacre in Kenya after offering himself as a hostage to bargain for the lives of 33 children.”

bonus bonus: I’m sorry, but we have to talk about the barbarism of modern Islamist terrorism – from brendan o’neill.

bonus bonus bonus: hero of the week, via everyone on twitter – After Told He’s Racist, UW-M Student Rejects Further Diversity ‘Training’

bonus bonus bonus bonus: The silence of our friends – the extinction of Christianity in the Middle East – from ed west @the spectator.

bonus bonus bonus bonus bonus: from india – ‘Family honour’ and ‘values’ give immunity to the predator at home – h/t mark weiner!

bonus bonus bonus bonus bonus bonus: The US government has been running a quantum Internet for over two years – cool! – h/t michael anissimov!

bonus bonus bonus bonus bonus bonus bonus: The Demons of Moldova“In Europe’s poorest country, young people are turning to occult religious practices — even exorcisms — to escape everyday life.”

(note: comments do not require an email. cotton-top tamarians!)


hejazis vs. najdis (and vice versa)

in my last post on saudi arabs, i mentioned that there are maybe, perhaps some hints that the historic mating patterns amongst the najdis of the central part of the arab peninsula were closer than those amongst the hejazis of the western coast. maybe. there are only hints, so it’s hard to be sure.

one other hint that the hejazis maybe outbred a bit more than the najdis is the somewhat greater freedoms that women have historically had in the region (the pattern seems to be the stronger the inbreeding, the more restrictions on women). from Cradle of Islam: The Hijaz and the Quest for an Arabian Identity [pg. 27]:

“As in other societies the Arab concept of family is closely linked to that of female honour. In the Arabian Peninsula the urban Hijazis have historically been viewed as more lax or lenient in such matters than tribal Najdi culture, with its strict Wahhabi norms of sexual segregation. An increased emphasis on female honour has, however, developed among some of the Hijazi *’awa’il* in reaction to Najdi standards.”

if the elevation/marginal environment theory of inbreeding/outbreeding is correct, then it would make sense if arabs living right along the coast in the west were inbred less. same for those on the east coast, i suppose. (the greatest oubreeders of the arab peninsula ought to be in the southeast area of saudi arabia, but i don’t think many people live there!):

saudi arabia - topography

in any case, saudi society is not just clannish, it’s downright tribalistic — and the people of the hejazi region don’t like the people of the najdi region. and the feeling is very much mutual [pgs. 16-17, 85]:

The most obvious and important expression of the persistence of social boundaries is the rarity of intermarriage between Najdis and Hijazis, with obvious implications for cultural assimilation. Hijazi opinion on this matter varies. Some explain that Najdi men fear the consequences of marital alliances with Hijazi families, while others contend that Hijazis are reluctant to allow their daughters to marry Najdis, because of polygamy, ease of divorce and stricter gender segregation among the Najdis. Najdi men — who do not hesitate to take wives from other Arab countries — regard marrying a woman from the same country as a greater commitment, especially when she is from an inferior or less ‘pure’ lineage in the Najdi grading of tribal descent. Meanwhile, the Hijazies, who claim descent from the Prophet’s tribe, the Quarysh, consider themselves the superior ones. Competition in ‘purity of blood’ in the Arabian Peninsula reaches its apotheosis in the context of intermarriage, and the few instances of it are typically between a Hijazi man and a non-tribal (i.e. ‘non-pure blood’) Najdi *khadiri*, as a tribal Najdi *gabili* will not marry outside the group. Even in these rare cases, the Najdi *khadiri* family typically makes the marriage procedures very lenthy and costly….

“The images that Hijazi and Najdi have of one another and the names they use to describe each other are further indications of social boundaries and the consciousness that sustains them. The Hijazis, for example, call the Najdis *shurug* (Easterners), a derogatory term. Another term, *badu* (Bedouin), carries an even worse connotation — essentially a lack of urban refinement. On the other hand, the Najdis call Hijazis *tarsh al-bahr*, (the flotsam of the sea) and *bagaya hujjaj*, (pilgrimage remnants). Whereas the first term is applied to those from Jeddah and the second to Meccans and Medinese, both allude to the ‘impurity’ of Hijazis’ Arab descent, owing to intermarriage with non-Arab Muslims. While the Najdis pride themselves on their lineage and *asala* (purity of blood), the Hijazis pride themselves on their *zawg* (good taste), *anaga* (elegance), *nazaka* (refinement) and *usul* (knowledge of the rules of propriety). To be sure, Hijazis also place lineage as the first criterion of status and respectability, especially those claiming descent from the Quraysh. But for those from other Muslim countries who settled in Mecca, Medina or Taif, lineage does not imply ‘blood purity’, but rather three generations of good social standing. As a result, ‘Najdis regard Hijazis as degenerate and not quite Arabian’….

“Marriages between Hijazis and Najdis are very rare. The exceptions are one way, occurring between a *khadiri* (non-tribal, ‘non-pure’ Najdi) woman and a Hijazi man, especially if he is wealthy and offering a high *mahr*. Najdis do not marry Hijazis because their lineage is not considered pure enough. Therefore Hijazis are excluded from marriage with the Najdi elite…. The rarity of cases of inter-marriage between Hijazis and Najdis is the most significant expression of the social boundaries between the regions of Saudi Arabia and an obvious example of the cultural distinctivenss of the Hijazis. Despite the attempt at integration and national homogeneity, marriage practices and alliances demonstrate the fractured nature of the Saudi state.

not much love there, then.

and, like i said, saudi society is very tribal — extremely tribal. from Challenges to the Cohesion of the Arab State [pgs. 181-182, 184, 186-187 – links added by me]:

“Saudi Arabia is known in the literature as a ‘rentier state.’ In its most narrow meaning, a rentier states refers to a state which gains most of its revenues not from taxes, but rather from the income (‘rents’) derived from the sale of natural resources, in this case — petroleum. In the Saudi case, the state distributes much of the income to the population, without taxing it. Saudi Arabia has (as have other wealthy Gulf states) an unwritten ‘social contract’ between the Sa’ud family and its subjects: the family runs a cradle-to-grave social welfare system and guarantees employment in the public sector; in exchange, the population is expected to be loyal, without having a representative system. It is, in fact, a system of ‘no taxation, no representation.’

This governmental system dovetails quite nicely with the tribalistic character of Saudi Arabia, and to a great extent even duplicates it. Although the tribe, as a discrete social unit, has been somewhat weakened in Saudi Arabia due to the efforts of the Saudi state, the structure of relations between the Sa’ud family and the population operates to a great extent according to tribalistic patterns and values, and thus contributes to national cohesion.

“Certain political, and socio-economic groups develop a corporate identity and behavior, not unlike that of tribes. These groups are termed *’asabiyyat* (from the word *’asabiyya*, tribal solidarity), and indeed form the core of social cohesion in Saudi Arabia. They are patron-client groups that have a common tribal, regional, family, or ethnic background, which is used to obtain jobs or resources from the central government. In return, the central government uses these relationships to command the loyalty of these groups. In this sense, the state is an extension of tribal politics.

in 1961, when the saudi central government was moved from jeddah (in hejazi territory) to riyadh (in najdi territory), pretty much ALL of the hejazi civil servants were sacked and replaced with najdis [pg. 94]. now THAT’S what i call nepotism!

more from Challenges to the Cohesion of the Arab State:

“Tribalistic patterns of behavior are characterized by a high degree of personalization since they are based on personal relationships. For instance, the main ministries are headed by members of the Saudi royal family that represent the various ‘circles of power.’ To get a job in one of those ministries, one must ally oneself with the relevant faction of the family, or with someone associated with it. The most powerful circles of power [in 2008 when this book was published-h.chick] are the Al Salman (connected to Salman, the governor of Riyadh province), the Al’ Abdallah (associated with the present king), the Al Fahd (connected to Fahd, who was king until his death in 2005), the Al Na’if (connected to the minister of the interior, and the Al Sultan (connected to the heir apparent and minister of defense and aviation). These circles act as corporate groups looking out for one another. They consist of blood relatives and their associates. Until a few years ago, applicants for government jobs were required to provide their family and tribal background, going back five generations, as part of the application process. This clearly illustrates how the royal family uses tribal patterns and values to maintain its rule.

“Like the head of a tribe, the state is responsbile for the protection of its citizens. The state, personified in the Sa’ud family which functions as the head of a tribe, protects the people’s physical and financial safety. Like all tribal leaders, members of the royal family mediate disputes, and keep the peace….

The Saudi royal family/state also functions as a genealogical organizer of society. As tribes did in the past, it determines who will marry whom. The fact that it makes it hard for Saudis to marry non-Saudis contributes to the myth of an entire country under Sa’ud domination, of one vast exclusive tribal family patronized by the Al Sa’ud. Since Saudi citizenship, which grants admission to the tribal family, confers entitlement to the largesse of the *shaykh*, the Saudis have created powerful incentives for their citizens to accept the truth of the myth of Saudi national identity, an identity fused with religion, in which membership is in fact a coveted privilege bestowed by birthright….

“Regional identities

“The region with the most highly developed sense of regional identity is the Hijaz, a strip of land along Saudi Arabia’s Red Sea coast, stretching from the border with Jordan in the north nearly to Yemen in the south. In it are situated the two holiest places in Islam, Mecca and Medina.

“In the Hijaz the elite are quite aware of the status they enjoyed before what the Saudis call unification, and some Hijazis call occupation, or annexation. When they feel they are being treated as second-class citizens, which they often are because the Najdis hold most of the government and religious jobs, they strive to gain recognition by asserting their distinctiveness as the elite of Islam’s holiest places.

“One recent manifestation of the this regionalism is the periodical *al-Hijaz*, published in London by the Hijazi National Organization (*al-jam’iyya al-wataniyya al-Hijaziyya*). The periodical is extremely anti-Saudi, and seeks to celebrate Hijazi culture and distinctiveness. The articles, most of which remain unsigned, refer not to the ‘unification’ of Arabia under the Saudis, as stated in the official narrative, but rather to the occupation of the Hijaz….

“Some Hijazis are thus beginning to assert their distinctiveness, whether through writing about Hijazi customs and food, or by wearing Hijazi dress. Indeed, there seems to be a revival of Hijazi dress lately. People who choose to wear Hijazi dress do so at some risk since it is Najdi dress which is considered the national dress and is worn by most of those in or close to power. What one wears is a statement, and is noted immediately. Some Hijazis are demonstratively reverting to their own regional dress, which includes a tighter-fitting robe calle a *jubba*, and a turban, or *’amama*….

“One man stands out as leader of the Hijazi cultural movement, namely Sami al-Angawi, an architect, who has made it his life’s work to preserve the customs, dress, and architecture of the Hijaz against Najdi attempts to eliminate them. He openly wears Hijazi dress. Moreover, he explicitly declares that he is a Sufi, a mystic — in other words, that he belongs to a stream of Islam which is forbidden by the Wahhabi clerics, who monopolize religion in Saudi Arabia.

He has protested the destruction of Hijazi architecture and Hijazi holy sites by envious Wahhabis, who see the worship of these sites as unlawful religious innovation (*bid’a*). Several of these sites have been destroyed, the most recent amongst them being the Jiyad fortress, built by the Ottomans in the eighteenth century, and destroyed in 2002. The fortress was the site from which Husayn bin ‘Ali started the Arab Revolt in Mecca. It overlooks the Ka’aba, and was removed to make way for a massive, five-story project. The developers of the project are the Bin Ladin Company, which has close ties to the royal family.”

i could never understand all the destruction of islamic sites — including mohammed’s mother’s grave (!) — happening in mecca and medina (see also here). greed (i.e. wanting to build huMONgous hotel complexes to milk the hajj crowds) doesn’t seem to cover it, afaiac. but now that i know that all these sites are in hejazi territory and are connected with hejazi history — and the fact that it’s mostly najdis destroying them — NOW it all makes sense! it’s tribes vs. tribes, that’s all.

previously: historic mating patterns on the arabian peninsula and tribalism on the innerwebs

(note: comments do not require an email. mecca’s big ben!)

historic mating patterns on the arabian peninsula

anybody else getting a little bored with europe and europeans? yeah, i thought so. here’s a little diversion! (i will return to the mating patterns of europeans shortly.)

the arabs. and by “the arabs” i mean the ones on the arabian peninsula. even more specifically, i mean to contrast the arabs living in the hejaz on the west coast with the arabs from the najd in the interior. for a very long time, the hejazi arabs have been quite comopolitan and internationally-oriented, whereas the najdi arabs were mostly camel-herding nomads or settled in and around desert oases. the balance of power between the two shifted beginning in the 1700-1800s when the al saud clan — from the najd region — gained control of the region, and, most importantly, when they eventually acquired de facto control of the nation’s oil. tells us that the saudi arabians today inbreed a LOT: 50%+ of all marriages are consanguineous (between second cousins or closer). there is variation within the country though.

from Consanguinity among the Saudi Arabian population (1995) [click on table for LARGER view] …

consanguinity among the saudi arabian peninsula - table 02

… the total consanguinity rate in what the authors refer to as the “north western province” (i think this must be some former provincial designation), which is basically the hejaz region, was 67.7% in 1995. the “central province” — the northern part of the najd region — had a consanguineous marriage rate of 60.8% — so lower than the hejaz region.

i don’t think that this was always the case, that consanguineous marriage was more common in the hejaz region than in the najd region. in fact, i think that the hejazis have adopted cousin marriage more and more over the course of the last couple of centuries thanks to a process of “najdification” that, presumably, the entire country has been undergoing since the al saud clan came to prominence. (also, perhaps many najdis have moved to places in the hejaz region like mecca.)

from Cradle of Islam: The Hijaz and the Quest for an Arabian Identity (2004) [pgs. 77-81]:

Of key interest here is the introduction of what may be called the ‘tribalisation’ of marriage relations amongst the Hijazis. In contrast to past practices of marriage with non-Arab Muslims, marriages now take place within the Hijazi cultural group. The definition of what constitutes a Hijazi for marriage purposes has become more strict….

One implication of ‘tribalisation’, however, is that it draws the cultural form of association that sets the standards for the Hijazis from Najdi life. The emphasis placed on lineage, purity and related ideas confirms the superiority of a particular conception of what a social group should be: a tribe….

“For members of the Hijazi *’awa’il*, establishing and dissolving contemporary marriage relationships is now regulated by several sets of rules and considerations, most of which are relatively recent in origin…. All of these changes are best understood in light of the contrast between the period prior to and that following the Hijaz’s political unification under Saudi rule….

“In the period before Saudi political unification the rules governing marriage derived from largely religious sources, reflecting a very different relation between state and society to that which exists in the present. All contemporary marriage rules are closely related to these earlier ones, either as refinements or entailing new but subordinate principles.

“At the most general level, the Quran is broadly permissive of potential marriage partners: ‘Oh! Mankind! We have created you from a single [pair] of a male and a female, and made you into nations and tribes, that ye may know each other. Verily the most honoured of you in the sight of Allah is the most pious of you.’ There are, however, some qualifications to this open-ended approach. The first is that Islam permits marital ties between Muslim men and non-Muslim women, provided the latter are ‘people of the book’, *ahl al kitab*, i.e. Jews or Christians. The Quran tells male Muslims that, ‘lawful for you are the chaste women from among those who have been given the book’. Muslim women, on the other hand, are absolutely prohibited from marrying non-Muslims. A Muslim woman’s marriage to a non-Muslim is considered to entail illegal intercourse and thus produces illegitimate offspring who are prohibited from inheriting the father’s wealth….

“In addition to religion, considerations of the nature of wider family life have been most influential in regulating marriage. Here the promotion and defence of patrilineal group status is of central significance. Family status is related to the *’ird* (honour) of its male members, which is defended by ensuring the chastity of female dependants. The idea of *’ird* is a key reason why marriage based on overt love has traditionally been considered *’ayb* (shameful): admitting love implies a clandestine pre-marital relationship. Indeed, the idea that marriage should be based on an emotional bond between husband and wife conflicts with the primacy of maintaining well-integrated families; it implies putting one’s personal interests and needs above the extended family’s wellbeing. In this, Hijazis conform to general Arabian attitudes but, as ever, the Hijazi preoccupation with family creates a specific distrust of bonds based on emotion or sentiment….

Accounts of the late nineteenth and early twentieth centuries clearly show that these rules did indeed regulate Hijazi marriages. For instance, being Muslim, regardless of other origins, provided a sufficiently strong basis on which to build marriages. Mecca was a melting pot for the Islamic world, so mixed marriages were common. Marriage made a significant contribution to the heterogeneous and cosmopolitan nature of Hijazi society.

By contrast, Najdi marriage was, and remains within the same lineage, with bonds among the tribal families usually reinforced by patrilineal parallel-cousin marriages. There is, however, an important distinction between *khadiri* (non-tribal, i.e. ‘non-pure’ Najdi), and *gabili* (tribal ‘pure-blooded’ Najdi). Strict patrilinearity allowed *gabili* men to marry outsiders, such as Egyptian, Moroccan or Lebanese women, but their female relatives have never married outside the tribe. In principle, then, men from the Hijaz would not have been able to marry into a pure-blooded Najdi family, while women would, although Hijazi women were not, as a rule, given in marriage to Najdi families, nor were they asked. In this intricate system of social boundaries expressed through marriage practices, Hijazis — both men and women — married from the Asir tribal region more easily than from the tribal Najd….

“Among elite Najdi men polygamy has also been more prominent.”

so it sounds as though the najdi arabs have had a longer history of closer inbreeding than the hejazi arabs.

if we go even further back, there are more hints that the hejazis may have been comparative outbreeders, as far as arabs go anyway. from Close Relationships: Incest and Inbreeding in Classical Arabic Literature (2005) [pgs. 78-81]:

“Much has been written on the extent to which Islam changed or confirmed the existing customs in pre-Islamic Arabia. Data on these customs are scanty…. As for the forbidden degrees of marriage, early Muslim authorities explain that the main differences between pre-Islamic and Islamic customs concerned the marriage of stepmothers and sons, and being married to two sisters simultaneously. Muhammad ibn al-Saib al-Kalbi (d.146/763) praises the Arabs in the Jahiliyya, the period of ‘ignorance’, for anticipating the Qur’anic prohibitions:

“‘The Arabs, in the time of their Ignorance, held things for forbidden that the Qur’an was to declare forbidden. They did not marry daughters or mothers, nor sisters or aunts from the mother’s side or the father’s side. The worst thing they used to do was to be married to two sisters at the same time, or to succeed one’s deceased father as husband to his wife. They used to call someone who did this *dayzan*….

“‘(…) If a man died, leaving a wife, or divorced his wife, his eldest son would stand up and throw his cloak over her if he wanted her. If he did not want her, one of his brothers would marry her, with a new brideprice.’

“Ibn Habib (d. 245/860), who has a nearly identical passage, adds that ‘Islam has separated men from the wives of their fathers; they are numerous’….

“Ibn Habib also states that the Arabs used to marry two sisters….”

not too much about marrying cousins there, but there’s this…

Against the tendency of presenting the pre-Islamic Arabs as being very close to Islam already, others restrict this virtuous behaviour to the inhabitants of Mecca, contrasting them with the Bedouins, as did Yaqut in the passage quoted above….

and that passage from yaqut [pg. 60]:

“In his ‘Kitab al-Arab’ (‘Book of the Arabs’), devoted to the virtues of the Arabs, Ibn Qutayba praises especially Quaysh, the Prophet’s tribe, for preserving something of the old Abrahamic religion, inherited through Abraham/Ibrahim’s son Ismael/Imail; these remnants included ‘circucision, ritual ablution, repudiation of women, manumission of slaves, and the prohibition of marriage with forbidden family members, through kinship, milk relationship, or affinity by marriage’. Yaqut (d. 626/1229) rephrases the same idea: the pre-Islamic Meccans:

‘were not like the uncouth Bedouins. They used to circumcise their sons, to perform the Hajj at the Kaaba; … they shunned marriages with a daughter, a daughter’s daughter, a sister, and a sister’s daughter, because of their sense of jealous honour and in order to keep aloof from the Magians.'”

in other words, perhaps the pre-islamic hejazi were not at all like the pre-islamic najdis (bedouins) … and, perhaps, the hejazi — the population from whence mohammed hailed — didn’t inbreed so much [pg. 81]:

In general, as far as may be ascertained, inbreeding was not very common in pre-Islamic times. It is difficult to obtain precise information. The genealogies of tribes and clans in the pre-Islamic and early Islamic periods, though very detailed, are notoriously unreliable, loaded as they are with politics and sentiments; an alliance between tribes was often cemented by fabricating a common ancestor. Moreover, the genealogies normally present the male lines only and give very little information on females. Among the exceptions are the lineages of the Prophet Muhammad and other prominent early Muslims. Thus Ibn Habib gives Muhammad’s ancestors in the all-female line, going back seven generations. Similar but shorter matrilinear lines are given for Abu Bakr, Umar, Uthman, Ali, and al-Hasan. Only two lines are given in full in these lineages: the all-male and the all-female, out of the theoretical maximum of 128 (2 to the 7th) lines of ascendants that go with a full picture of seven generations in Muhammad’s case. Therefore it is hazardous to draw any firm conclusions. Yet the general picture that emerges from this admittedly limited sample is clear: there may have been ‘irregularities’ by Islamic standards, such as the above-mentioned stepmother-marriages, but the spouses are not closely related and even first-cousin unions, often assumed to be dominant in Arab society, are almost absent as far as can be observed. In the Prophet’s lineage, one finds that his great-grandmother Umm Habib and her husband Abd al-Uzza had a great-grandfather (Qusayy) in common; Uthman’s maternal great-great-grandmother Sakhra bint Abd ibn Imran married her first cousin Amr ibn Aidh ibn Imran.”

perhaps mohammed — who invented a fairly (fairly) universalistic religion — came from a comparatively not-so-inbred population [i.e. the hejazi arabs – mohammed’s tribe, the quraysh tribe, was from mecca]. -?- dunno. difficult to tell, but it’s an interesting question, i think.

previously: inbreeding and the ancient hebrews (and the arabs) and father’s brother’s daughter’s marriage

(note: comments do not require an email. tl;dr.)

“core europe” and human accomplish-ment

uncle bob beat me to this (hey uncle bob! *waves* (^_^) ). i’ve been meaning to post about human accomplishment in core europe ever since agnostic posted about it last month on his blog.

here, from charles murray’s Human Accomplishment, is a map of “concentrations [of accomplishment] within the european core”:

charles murray - human accomplishment map - european core

from murray (via agnostic):

“The colored regions in the European core (light and dark blue together) account for the origins…of fully 50 percent of the total European significant figures. Just the five regions colored dark blue — Ile de France, Southeast England, Tuscany, Belgium, and the Netherlands — account for 26 percent of the European total. The other 24 percent come from (in order of their contribution) Bavaria, Venetia, Southwest England, Switzerland, Lowland Scotland, Lower Saxony, Saxony, Baden-Wurttemberg, Northeast Austria, the Italian Papal States, and Brandenburg….

“Or you can think of it another way: 80 percent of all the European significant figures can be enclosed in an area that does not include Russia, Sweden, Norway, Finland, Spain, Portugal, the Balkans, Poland, Hungary, East and West Prussia, Ireland, Wales, most of Scotland, the lower quarter of Italy, and about a third of France.”


the dark blue area of belgium, the netherlands, ile de france, and southeast england is definitely the core area of europe that — thanks to the early enthusiasm of the franks for christianity and the church’s cousin marriage bans AND the franks’ invention of manorialism — has been outbreeding for the longest amount of time out of all the europeans. (see “mating patterns in europe series” below ↓ in left-hand column for more details.) belgium + the netherlands + ile de france = austrasia, which is where manorialism got started. the franks brought the manor system, and the cousin marriage bans, with them on their trek across/conquest of the east — the light blue bits in germany. there is also evidence for the manor system early on in kent and the south of england, not to mention some very early secular laws against cousin marriage in those parts of england. the manor system was introduced in lowland scotland — along with many actual lords of those manors from normandy — by king david. (no, not that onethis one.)

these areas — along with parts of northern italy (the flat parts) — are what i’ve been calling my “core europe” — the most outbred of the europeans (who are, in turn, the most outbred of almost anybody on the planet). although northern italy — tuscany — i’m not 100% sure about. i have found a little evidence suggesting that medieval northern italians maybe avoided marrying their cousins — and perhaps the genetics backs that up — but Further Research is RequiredTM.

as uncle bob said: “Where there was the most outbreeding there was the most accomplishment. Look specifically at northern Italy, England, and central Europe. I find this astonishing.”

me, too!

map of the “concentrations [of accomplishment] within the european core” with the hajnal line? but of course:

charles murray - human accomplishment map - european core + hajnal line

see also: How Inbred are Europeans? from jayman!

update 09/25: another map from murray’s book [source]:

charles murray - origins of significant figures 1800-1950

previously: medieval manoralism and the hajnal line and behind the hajnal line

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linkfest – 09/22/13

Flies see the world in slow motion, say scientists“Flies avoid being swatted in the same way Keanu Reeves dodges flying bullets in The Matrix, by watching time pass slowly, research suggests. The smaller an animal is, and the faster its metabolic rate, the slower time passes for it, scientists found. This means that across a wide range of species, time perception is directly related to size, with animals smaller than us seeing the world in slow motion…. ‘It’s tempting to think that for children time moves more slowly than it does for grown ups, and there is some evidence that it might…. People have shown in humans that flicker fusion frequency is related to a person’s subjective perception of time, and it changes with age. It’s certainly faster in children.’ – mind. blown.

Poverty Can Trump a Winning Hand of Genes“When psychologists first started studying twins, they found identical twins much more likely to have similar IQs than fraternal ones. They concluded that IQ was highly “heritable”—that is, due to genetic differences. But those were all high SES twins. Erik Turkheimer of the University of Virginia and his colleagues discovered that the picture was very different for poor, low-SES twins. For these children, there was very little difference between identical and fraternal twins: IQ was hardly heritable at all…. Richer children have similarly good educational opportunities, so genetic differences among them become more apparent…. But for poor children, haphazard differences in educational opportunity swamp genetic differences.”

Shy male birds keep closer ‘friends’“Shy male great tits have fewer ‘friends’ but build stronger bonds than bolder birds, researchers have found.” – speaking of birds: Warblers begin migrating after interbreeding.

Ancient genomes mirror mode of subsistence rather than geography in prehistoric Europe (preprint) – @dienekes’.

Pornography addiction leads to same brain activity as alcoholism or drug abuse, study shows“Cambridge University scientists reveal changes in brain for compulsive porn users which don’t occur in those with no such habit.”

Redneck Psychiatrists“Schizophrenia is more common in men than women – about 1.4 to 1. It’s more common in the lowest SES groups, although that may be downward drift. Schizophrenia is considerably more common among people of African ancestry…. Schizophrenia seems to be more common among people that grew up in cities – about twice as common.” – from greg cochran.

Stronger Sexual Impulses, Not Weaker Self-Control, May Explain Why Men Cheat More Than Women, Study Reveals

Painful and extreme rituals enhance social cohesion and charity“The study of 86 males in Mauritius found both observers and performers of the Kavadi were more charitable than those who only participated in the collective prayers. The researchers also found that higher levels of pain were positively associated with larger donations and a more inclusive self-identity.”

DNA Double Takechimeras! and other neat stuff.

Why parents think your partner isn’t good enough“[P]arents tend to give more resources to children whose partners provide less support, and that this leads to a conflict over mate choice…. ‘Parents are equally related to all of their children, whereas children value themselves more than their siblings — so each child wants to get more than their fair share of parental resources.’ This means that the children are willing to settle for a mate who is less caring than their parents would ideally like.”

The Social Life of Genes“Your DNA is not a blueprint. Day by day, week by week, your genes are in a conversation with your surroundings. Your neighbors, your family, your feelings of loneliness: They don’t just get under your skin, they get into the control rooms of your cells. Inside the new social science of genetics.” – h/t you know who you are!

Lifestyle Influences Metabolism via DNA Methylation“An unhealthy lifestyle leaves traces in the DNA. These may have specific effects on metabolism, causing organ damage or disease. Scientists of Helmholtz Zentrum München have now identified 28 DNA alterations associated with metabolic traits. This world-first epigenome-wide association study (EWAS) of modified genes and metabolites has been now published in the journal Human Molecular Genetics.”

From Slavs to slaves. Part II“With the Christianization of Eastern Europe, the trade in fair-skinned women and boys came to an end.” – from peter frost.

The Books Interview: David Epstein – author of The Sports Gene.

In Defense of Neanderthals – from jim goad.

UC Davis research finds Neandertals, not modern humans, made first specialized bone tools in Europe

Who Was Eating Salmon 45,000 Years Ago in the Caucasus?“Neandertals Probably Not as Rigid in Their Diet as Thought” – h/t hbd bibliography!

You’ll never be Chinese“Except where there is economic benefit to be had, communities do not act together, and when they do it is only to ensure equal financial compensation for the pollution, or the government-sponsored illegal land grab, or the poisoned children.”

The £29 DNA dating test that takes a swab of your saliva to find your perfect partner – they’re looking at hla genes. note that this is not an endorsement!

bonus: Sending food to Africa to solve famine is barmy, says Sir David Attenborough as he blames overcrowding for crisis

bonus bonus: The British babies made in India“The surrogate mothers of India’s Akanksha Clinic eagerly await their 600th delivery. But is there an ethical price to pay?” – is there a biological price to pay?

bonus bonus bonus: Sex Jihad raging in Syria, claims minister“A Tunisian minister has revealed local women are travelling to Syria to undertake ‘sex jihad’ by giving battlefield comfort to Islamist fighters battling the regime…. ‘After the sexual liaisons they have there in the name of “jihad al-nikah” – (sexual holy war, in Arabic) – they come home pregnant,’ Ben Jeddou told the MPs. “ – ooohhh-kay.

bonus bonus bonus bonus: joey prusak – good guy! (^_^)

bonus bonus bonus bonus bonus: Dinosaur feathers found in Alberta amber“Feathers believed to be from dinosaurs have been found beautifully preserved in Alberta amber. The primitive, hair-like feathers known as protofeathers likely belonged to theropods — dinosaurs similar to tiny Tyrannosaurus rexes — that roamed the swampy forests of Alberta 80 million years ago….”

bonus bonus bonus bonus bonus bonus: ‘Rotating moon’ filmed by Nasa – video

bonus bonus bonus bonus bonus bonus bonus: Is this the most extraordinary human brain ever seen? – yikes. =(

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