Archives for posts with tag: american nations

Ancient Ethiopian genome reveals extensive Eurasian admixture throughout the African continent“Here, we present a 12.5x coverage ancient genome of an Ethiopian male (‘Mota’) who lived approximately 4,500 years ago. We use this genome to demonstrate that the Eurasian backflow into Africa came from a population closely related to Early Neolithic farmers, who had colonized Europe 4,000 years earlier. The extent of this backflow was much greater than previously reported, reaching all the way to Central, West and Southern Africa, affecting even populations such as Yoruba and Mbuti, previously thought to be relatively unadmixed, who harbor 6-7% Eurasian ancestry.” – h/t john hawks! who tweeted: “First ancient DNA from Ethiopia shows that today’s sub-Saharan Africans are at least 0.2-0.7% Neanderthal ancestry!” – see also: First Ancient African Genome Reveals Vast Eurasian Migration“The man’s genome is, unsurprisingly, more closely related to present-day Ethiopian highlanders known as the Ari than to any other population the team examined, suggesting a clear line of descent for the Ari from ancient human populations living in the area. But further genetic studies show that the Ari also descend from people that lived outside Africa, which chimes with a previous study that discovered a ‘backflow’ of humans into Africa from Eurasia around 3,000 years ago.”

Eight thousand years of natural selection in Europe“The arrival of farming in Europe around 8,500 years ago necessitated adaptation to new environments, pathogens, diets, and social organizations…. We identify genome-wide significant signatures of selection at loci associated with diet, pigmentation and immunity, and two independent episodes of selection on height…. These results suggest that the modern South-North gradient in height across Europe is due to both increased steppe ancestry in northern populations, and selection for decreased height in Early Neolithic migrants to southern Europe. “

The Hybrid Origin of “Modern” Humans“Recent genomic research has shown that hybridization between substantially diverged lineages is the rule, not the exception, in human evolution. However, the importance of hybridization in shaping the genotype and phenotype of Homo sapiens remains debated. Here we argue that current evidence for hybridization in human evolution suggests not only that it was important, but that it was an essential creative force in the emergence of our variable, adaptable species.”

Neanderthal ‘flower children’ burials theory debunked“New research casts doubt on the idea that Neanderthals buried their dead covered in flowers.”

Intelligence in youth and health at age 50“Higher intelligence in youth is linked with better physical health at age 50.” – h/t andrew sabisky!

Chorionicity and Heritability Estimates from Twin Studies: The Prenatal Environment of Twins and Their Resemblance Across a Large Number of Traits“There are three types of monozygotic (MZ) twins. MZ twins can either share one chorion and one amnion, each twin can have its own amnion, or MZ twins can—like dizygotic twins—each have their own chorion and amnion. Sharing the same chorion may create a more similar/dissimilar prenatal environment and bias heritability estimates…. We conclude that the influence on the MZ twin correlation of the intra-uterine prenatal environment, as measured by sharing a chorion type, is small and limited to a few phenotypes.”

Genetic transmission of reading ability – h/t steve stewart williams! who tweeted: “If you want your kids to read, your best bet is to have kids with a reader.”

It All Began at Ararat, and Esau’s Revenge“Ancient DNA in Europe strongly indicates massive replacement [of hunter-gatherers by agriculturalists]. But, there is also suggestion of admixture with the local substrate. And, unlike the stylized model of Bellwood, it seems that there were multiple migrations after the initial pulse which reshaped the genetic and cultural landscape of human societies in the wake of agriculture.” – from razib.

Closing the Black-White IQ Gap Debate, Part I – from chanda chisala. and a response from peter frost: No, blacks aren’t all alike. Who said they were? – and previously on this blog: there’s more to human biodiversity than just racial differences.

The Association of Cognitive Ability with Right-wing Ideological Attitudes and Prejudice: A Meta-analytic Review“The present meta-analyses revealed an average effect size of r = −.20 [95% confidence interval (95% CI) [−0.23, −0.17]; based on 67 studies, N = 84 017] for the relationship between cognitive ability and right-wing ideological attitudes and an average effect size of r = −.19 (95% CI [−0.23, −0.16]; based on 23 studies, N = 27 011) for the relationship between cognitive ability and prejudice.”

[male] Chimps like boys toys too“If you want to know why young boys play with toy guns, you could do worse than consider why young male chimpanzees play with leaves and stones.” – h/t darren burke! who tweeted: “Western social constructivism is so insidious and widespread it is even affecting wild chimpanzees now!” – (~_^)

Ravens cooperate, but not with just anyone“Ravens detect cheaters in cooperation.”

Understanding the Cognitive and Genetic Underpinnings of Procrastination: Evidence for Shared Genetic Influences With Goal Management and Executive Function Abilities – procrastination (at least) 28% heritable. will have to read original paper. tomorrow, maybe. (~_^)

Personality Traits Increasingly Important for Male Fertility: Evidence from Norway“[P]ersonality relates to men’s and women’s fertility differently; conscientiousness decreases female fertility, openness decreases male fertility and extraversion raises the fertility of both sexes. Neuroticism depresses fertility for men, but only for those born after 1956.”

Host genetic variation impacts microbiome composition across human body sites“Our results highlight the role of host genetic variation in shaping the composition of the human microbiome, and provide a starting point toward understanding the complex interaction between human genetics and the microbiome in the context of human evolution and disease.”

DNA At the Fringes: Twins, Chimerism, and Synthetic DNA – h/t genetics and society! who tweeted: “Chimeras could undermine DNA forensics & use of DNAtesting as conclusive proof of crime & family.”

Ethnic differences in the association between depression and chronic pain: cross sectional results from UK Biobank [pdf] – h/t don lyall!

Emotion, rationality, and decision-making: how to link affective and social neuroscience with social theory

Women and men react differently to infidelity“While men are most jealous of sexual infidelity, women are most jealous of emotional infidelity.” – w.e.i.r.d. study. (n=1000).

‘Safe spaces’ exist because universities treat secular ideas as sacred“The most influential effect of this cultural and political imbalance is that academia has ignored the increasing evidence that human traits are heavily influenced by hereditary factors, most prominently in intelligence and sexual differences. This has a huge bearing on public policy, especially when so much of policy is involved in tackling inequality of various kinds. It would be like trying to reduce economic inequality while pretending that wealth cannot be inherited, because that’s offensive to people’s parents, and that all fortunes were the results of education, hard work or sheer luck.” – from ed west.

Relics of the Blank Slate, as Excavated at “Ethics” Magazine“There’s a reason that the Blank Slaters clung so bitterly to their absurd orthodoxy for so many years. If there is such a thing as human nature, then all the grandiose utopias they concocted for us over the years, from Communism on down, would vanish like so many mirages.” – from helian.

Anthropologist: “I’ve Never Been So Disgusted with My Own Data” – from steve sailer.

“Ethics” is advertising – david chapman on virtue signaling (trans: signalling. (~_^) ).

Two Fed economists tried to replicate some top economic studies — and the results are dreadful – from mike bird.

The shifting tide of American immigration – from colin woodard.

Missing piece of Gilgamesh Epic discovered

Pompeii Victims’ Bodies Revealed in [ct] Scans: Photos

Excavations at Mexican ruin site yields new details of Aztecs’ sacrifice of captured Spaniards“It was one of the worst defeats in one of history’s most dramatic conquests: Only a year after Hernan Cortes landed in Mexico, hundreds of people in a Spanish-led convey were captured, sacrificed and apparently eaten.”

bonus: Most worker ants are slackers“[N]ew research shows that many ants in a colony seem to specialize in doing nothing at all. To get a closer look at how these ants filled their time, researchers marked every member of five lab-based colonies with dots of colored paint. Over the course of 2 weeks, a high-definition camera recorded 5-minute segments of the ants in action six times a day, capturing their behavior (or lack thereof). Out of the ‘workers,’ 71.9% were inactive at least half the time, and 25.1% were never seen working. A small fraction of the ants, just 2.6%, were always active during observation, the researchers wrote last month in Behavioral Ecology and Sociobiology.”

bonus bonus: How to Dupe a Dung Beetle“A case of biological mimicry has been spotted in Ceratocaryum argenteum, a South African plant that tricks dung beetles into spreading its stinky seeds.”

bonus bonus bonus: Elephants: Large, Long-Living and Less Prone to Cancer“Dr. Schiffman and his colleagues found that elephants have evolved new copies of the p53 gene [“a gene that is crucial for preventing cancer”]. While humans have only one pair of p53 genes, the scientists identified 20 pairs in elephants.”

bonus bonus bonus bonus: DNA Sequenced for New Zealand’s First Dog – the kurī. woof!

bonus bonus bonus bonus bonus: Watch Drones Drop Thousands of Moths on Crops

bonus bonus bonus bonus bonus bonus: Honour, community and hierarchy in the feasts of the archery and crossbow guilds of Bruges, 1445–81

and the tweet of the week… (~_^)

(note: comments do not require an email. “Humans come then go, that is the way fate decreed on the Tablets of Destiny.”)

razib tweeted earlier this week:

granka is julie granka who already did some preliminary blogging about these findings last year over at #ashg2015 is this year’s american society of human genetics annual meeting which is being held next month. here is granka et al.’s poster abstract from that meeting:

granka et al 02

so they’ve been able to detect three subgroups of germans in pennsylvania and can connect those subgroups to their populations of origin back in germany or switzerland. cool! i really, really, really hope they’ve been able to do the same for the various subgroups that came from britain, a la Albion’s Seed!

mr. random c. analysis, esq., did some blogging on these data last year, too. and, of course, jayman has been all over american nations issues for the past couple of years (see here and here, for example).

i’m trying to ease myself gently back into blogging, so for now i’ll just leave you with my tweets of some of granka’s american nations’ genetics maps from


previously: the american revolutions

(note: comments do not require an email. albion.)

a linkfest! (^_^) ’cause i hate linkfasts, too. (*^_^*)

Whole genome sequence analyses of Western Central African Pygmy hunter-gatherers reveal a complex demographic history and identify candidate genes under positive natural selection“African Pygmies practicing a mobile hunter-gatherer lifestyle are phenotypically and genetically diverged from other anatomically modern humans, and they likely experienced strong selective pressures due to their unique lifestyle in the Central African rainforest…. Our two best-fit models both suggest ancient divergence between the ancestors of the farmers and Pygmies, 90,000 or 150,000 years ago. We also find that bi-directional asymmetric gene-flow is statistically better supported than a single pulse of unidirectional gene flow from farmers to Pygmies, as previously suggested…. We found that genes and gene sets involved in muscle development, bone synthesis, immunity, reproduction, cell signaling and development, and energy metabolism are likely to be targets of positive natural selection in Western African Pygmies or their recent ancestors.”

Directional dominance on stature and cognition in diverse human populations“[I]ncreased homozygosity was associated with decreased trait value, equivalent to the offspring of first cousins being 1.2 cm shorter and having 10 months’ less education. Similar effect sizes were found across four continental groups and populations with different degrees of genome-wide homozygosity, providing evidence that homozygosity, rather than confounding, directly contributes to phenotypic variance. Contrary to earlier reports in substantially smaller samples5, 6, no evidence was seen of an influence of genome-wide homozygosity on blood pressure and low density lipoprotein cholesterol, or ten other cardio-metabolic traits. Since directional dominance is predicted for traits under directional evolutionary selection7, this study provides evidence that increased stature and cognitive function have been positively selected in human evolution, whereas many important risk factors for late-onset complex diseases may not have been.” – see also Not tonight, cousin from dr. james thompson. and see also Inbreeding from greg cochran. and see also Directional dominance on stature and cognition from steve hsu.

Genes Unite Executive Functions in Childhood [pdf] – h/t brian boutwell! who tweeted: “Shared genes explain all of the covariance in exec functioning items. No parenting effects to be found.”

200 Blog Posts – Everything You Need to Know (To Start) and The Rise of Universalism and Demography is Destiny, American Nations Edition and National Prosperity – jayman’s been on a roll lately! (^_^) each of these warrants your close attention!

Heritability and the evolution of cognitive traits

CNVs in neuropsychiatric disorders“Over the last few years at least 11 copy number variations (CNVs) have been shown convincingly to increase risk to developing schizophrenia: deletions at 1q21.1, NRXN1, 3q29, 15q11.2, 15q13.3 and 22q11.2, and duplications at 1q21.1, 7q11.23, 15q11.2-q13.1, 16p13.1 and proximal 16p11.2. They are very rare, found cumulatively in 2.4% of patients with schizophrenia and in only 0.5% of controls. They all increase risk for other neurodevelopmental disorders, such as developmental delay and autism spectrum disorders, where they are found at higher rates (3.3%). Their involvement in bipolar affective disorder is much less prominent. All of them affect multiple genes (apart from NRXN1) and cause substantial increases in risk to develop schizophrenia (odds ratios of 2 to over 50). Their penetrance for any neurodevelopmental disorder is high, from ∼10% to nearly 100%. Carriers of these CNVs display cognitive deficits, even when free of neuropsychiatric disorders.”

Improving Phenotypic Prediction by Combining Genetic and Epigenetic Associations [pdf] – h/t dr. xaverius!

County level homicide rates by race/ethnicity of victim and On the effects of wealth on the B-W gaps, a response to questions posed by a commenter @random critical analysis.

the much discussed post The IQ Gap Is No Longer a Black and White Issue – from chanda chisala. see also Chanda Chisala: An African Hereditarian?“If evolution applies to all of us, that includes Africans. It is perfectly possible that some African sub-groups are brighter than others. Any geographic group which takes care to encourage bright persons to marry one another could see positive effects after 20-30 generations of consistently strong selection, if those brighter parents have more surviving offspring, which is likely.” – from dr. james thompson. and see also The Jews of West Africa? from peter frost. and see also my post: there’s more to human biodiversity than just racial differences.

The Water-Crossers – from greg cochran.

Ancestry Matters: Patrilineage Growth and Extinction – h/t ben southwood! who tweeted: “Higher status Chinese patrilineages in the 18th and 19th centuries had more ancestors for hundreds of years after.”

The puzzle of European hair, eye, and skin color – from peter frost.

The people who need very little sleep

How evolutionary psychology may explain the difference between male and female serial killers“[R]esearch has shown that male serial killers tend to stalk and kill strangers. But FSKs tend to kill people they know. It seems, then, that MSKs are hunters and FSKs are gatherers.”

Is the Romantic–Sexual Kiss a Near Human Universal – apparently not! – “The romantic–sexual kiss was present in a minority of cultures sampled (46%). Moreover, there is a strong correlation between the frequency of the romantic–sexual kiss and a society’s relative social complexity: the more socially complex the culture, the higher frequency of romantic–sexual kissing.”

Men are both dumber and smarter than women – just an ok article, but interesting to see this out there *at all*.

Historical Artifacts of the Blank Slate – from helian.

On a Fast Track – Can rapid genome sequencing at birth help save lives?

Genomics Industry Generating Huge Amounts Of Data Due To DNA Sequencing – yay!

Ageing rates vary widely, says study“A study of people born within a year of each other has uncovered a huge gulf in the speed at which their bodies age…. [S]ome people had almost stopped ageing during the period of the study, while others were gaining nearly three years of biological age for every twelve months that passed.” – original research article: Quantification of biological aging in young adults.

Reacting to Spree Killings, Progressively – @thosewhocansee.

for you brits: Is that stranger opposite you a distant cousin?

bonus: Pluto’s discoverer’s ashes will be the first human remains to leave the solar system — glued to the side of a space probe – *sniff*

bonus bonus: r.i.p. conrad – *sniff*

bonus bonus bonus: tweet of the week! (~_^) >>

(note: comments do not require an email. r.i.p. conrad. *sniff*)

the long-awaited genetic ancestry mapping of the u.k. by the wellcome trust has finally been completed (hurrah!) — it’s very, very cool! — and it confirms what everyone has always known: the cornish are different! (~_^)

from nature news: UK mapped out by genetic ancestry“A map of the United Kingdom shows how individuals cluster based on their genetics, with a striking relationship to the geography of the country”:

u.k. genetic ancestry mapping

as you can see, all the calls for cornish independence have been justified! the good folks of cornwall are their own little genetic subpopulation, even distinct from their neighbors in devon (as they’ve known all along). so there! =P

to sum up the major findings:

– the welsh appear to be genetically quite different from the rest of the subpopulations in britain, and so the authors reckon they are the most like the earliest hunter-gatherers who migrated to britain at the end of the last ice age.

– the analyses suggest that there was a substantial migration across the channel after the original post-ice-age settlers but before roman times. white british people today have thirty percent (30%) of their dna ancestry from germanic populations, and people in southern and central england share 40% of their dna with the french (again, this relatedness is pre-norman). there’s also substantial relatedness to danes and belgians due to these early migrations. these migrations had little impact in wales.

– there wasn’t a single “celtic” genetic group in britain before the later invasions of the anglo-saxons, etc. the scots, northern irish, welsh, and cornish are some of the most different from each other genetically. the cornish (free cornwall!) are more similar genetically to other english groups than they are to the welsh, for instance.

– the english in eastern, central, and southern england (all those red squares) are pretty much one, relatively homogeneous, genetic group having significant genetic contributions — between 10-40% of their total ancestry — from the anglo-saxons. this strongly indicates that the invading anglo-saxons intermarried with the existing populations and did not replace them 100%.

– fantastically, the danish vikings (of the danelaw of the ninth century) do NOT appear to have left much dna behind at all. their numbers must’ve been small and/or most of them left (or were killed) at some point.

– the cornish (free cornwall!) and devonians are distinct genetic subgroups, and the division between the two groups lies pretty much at the boundaries between the two counties.

– the subpopulation of west yorkshire look like they’re the descendants of the people of elmet (the last of the brittonic kingdoms to hold out against the anglo-saxons)!

– the cumbrians and the northumbrians are distinct from each other, the people of west yorkshire, and the rest of the english.

– yes, the english-speaking population of pembrokeshire is genetically distinct from the rest of the welsh.

– the orkney islanders are the most genetically distinct of all the subgroups having 25% norwegian dna. again, though, the viking invaders mated with the locals and didn’t replace them 100%.

dál riata is apparent on the map there, as are the lowland scots and border reievers contributions to the ulster scots population.

from the telegraph:

“Geneticist Professor Sir Walter Bodmer of Oxford University said: ‘What it shows is the extraordinary stability of the British population. Britain hasn’t changed much since 600AD.

“‘When we plotted the genetics on a map we got this fantastic parallel between areas and genetic similarity.

“‘It was an extraordinary result, one which was much more than I expected. We see areas like Devon and Cornwall where the difference lies directly on the boundary.’

“Professor Mark Robinson, of Oxford University’s department of archaeology added: ‘The genetic make-up we see is really one of perhaps 1400 years ago.'”

for the purposes of this blog, one of the most interesting things is that lack of a danish viking genetic legacy in england. one of the things we’ve been puzzling about here is where on earth the puritans came from, and one of the ideas that has been bandied about has been that perhaps they were the descendants of the danes, since the danish vikings controlled east anglia and that’s where the purtians were from. that idea doesn’t seem to hold water anymore.

(there’s something else in the paper that may or may not, kinda-sorta be of interest regarding the general topic of this blog, but i’m going to address that in a separate post.)

speaking of the puritans and albion’s seed (and american nations), jayman’s already tweeted this!:

(^_^) so there you go.

i think that’s everything for now. there’s a LOT to take in from this research. i look forward to what razib and greg cochran will have to say on the paper.

for now, for more info, have a look at these!:

UK mapped out by genetic ancestry: “Finest-scale DNA survey of any country reveals historical migrations.”
– the original research article (behind a stupid paywall): The fine-scale genetic structure of the British population. the supplementary information file [pdf] looks like it’s a good read.
Britons still live in Anglo-Saxon tribal kingdoms, Oxford University finds: “A new genetic map of Britain shows that there has been little movement between areas of Britain which were former tribal kingoms in Anglo-Saxon England.”
Genetic study reveals 30% of white British DNA has German ancestry: “Analysis over 20 years reveals heavy Anglo-Saxon influence, with French and Danish DNA coming from earlier migrations than the Normans or Vikings.”
Study Reveals Genetic Path of Modern Britons: “Researchers found 17 clusters, based on genetic relatedness, in the modern British population.”
Scientists discover genetic “border” between Devon and Cornwall
– from dienekes: British origins (Leslie et al. 2015)

(note: comments do not require an email. free cornwall now!)

Humans are still evolving despite massive recent lifestyle changes, study finds – no way! =P – “The researchers analysed church records of births, marriages and deaths for 10,000 inhabitants of seven parishes in Finland since the beginning of the 18th Century and concluded that evolution is still occurring despite the dramatic cultural changes over the same period. ‘We are still evolving. As long as some individuals have more children and other individuals have fewer children than others, there is potential for evolution to take place,’ said Elisabeth Bolund of Uppsala University in Sweden. Dr Bolund and her colleagues at the universities of Sheffield and Turku in Finland…found that between 4 and 18 per cent of the variations between individuals in lifespan, family size and ages of first and last childbirth were influenced by genes. ‘This is exciting because if genes affected differences between individuals in these traits, it means they could also change in response to natural selection,’ Dr Bolund said…. The study, published in the journal Evolution, showed that the genetic influence on the timing of when someone is likely to begin a family and the overall size of the family has actually risen higher in recent times compared to the 18th and 19th Centuries. This means that modern humans could still be evolving because people are responding to Darwinian natural selection on the genetic differences between individuals within the population, the scientists said. ‘It is possible that we in modern societies have more individual freedom to express our genetic predispositions because social influences are more relaxed, and this leads to the genetic differences among us explaining more of the reproductive patterns,’ Dr Bolund said.” – h/t ed west!

The decline of human endogenous retroviruses: extinction and survival“[W]e show that the human genome and that of other hominoids (great apes and gibbons) have experienced an approximately four-fold decline in the ERV integration rate over the last 10 million years.” – huh.

Did Fishermen Find Evidence of an Unknown Group of Primitive Humans?“A fossilized jawbone pulled from the seafloor near Taiwan may be from an ancient type of hominin new to science…. [M]ultiple lineages of extinct humans may have coexisted in Asia before the arrival of modern humans.”

Neanderthals disappeared from the Iberian Peninsula earlier than in the rest of Europe

from lawrence kruass“An interesting fact from Svante Paabo: How related are we to Neanderthals? On average like 1 Neanderthal relative 6 generations back!”

Fossil Provides Evidence Of Early Human Migration To Europe“Some 55,000 years ago, a person — whether female or male, we don’t know — lived in Manot Cave in the western Galilee area of what is now Israel. Judging from the partial skull recovered from the cave, and described in Nature last week by Israel Hershkovitz of Tel Aviv University and his co-authors, the person was anatomically modern and closely related to the first modern humans who went on to colonize Europe.” – see also The Manot 1 skull and how we now look at Neandertal ancestry in early modern humans from john hawks.

Before Agriculture, Human Jaws Were a Perfect Fit for Human Teeth“The emergence of agricultural practices initiated major changes to the jaw structure of ancient humans, leading to dental problems we still experience.”

Half of our [european] ancestry comes from the Pontic-Caspian steppe“Here’s the latest teaser for the new David Reich et al. paper on the ethnogenesis of present-day Europeans. It’s part of an abstract for a seminar to be held by Professor Reich at Jesus College, Oxford, on February 9. Interestingly, it argues that migrations from the steppe resulted in a ~50% population turnover across northern Europe from the late Neolithic onwards.” – see also Strong (?) linguistic and archaeological evidence for steppe Indo-Europeans from dienekes.

A couple of AAPA 2015 abstracts to blow your socks off“‘The origins of the Aegean palatial civilizations from a population genetic perspective.'” – cool! (^_^)

Mapping 61 Ancient Tattoos on a 5,300-Year-Old Mummy – ötzi the iceman had 61 tattoos!

Large multiallelic copy number variations in humans“Thousands of genomic segments appear to be present in widely varying copy numbers in different human genomes…. We find that mCNVs give rise to most human variation in gene dosage—seven times the combined contribution of deletions and biallelic duplications—and that this variation in gene dosage generates abundant variation in gene expression.”

Your IQ in 13 genes (or about 29% of it) – from dr. james thompson.

105 years of the Flynn effect: very fluid“Into this torrent of Flynn-Effectism jump Jakob Pietschnig and Martin Voracek with a large raft of a paper which runs to 179 pages, which is what you get when you have the temerity and the Teutonic thoroughness to plough through 105 years of data and assemble 271 independent samples from 31 countries, totalling almost four million participants. What sorts of childhood do German speakers have, which drives them to these immense labours?” – (~_^) – also from dr. james thompson.

Academic performance of opposite-sex and same-sex twins in adolescence: A Danish national cohort study – h/t jayman! who tweeted: “Opposite sex DZ twins & their math grades shows little evidence of hormonal masculinization in utero.”

from sam dumitriu“Serial killers who kill for enjoyment rather than financial gain are on average 10 IQ points smarter.” [source] (…out of the ones that have been caught. =/ )

Intergenerational Wealth Mobility in England, 1858-2012: New evidence based on rare surnames“Descendants of the wealthy people of England in 1850 are still wealthy. They also have longer life spans than the average person; they are much more likely to attend Oxford or Cambridge; they still live in more expensive neighbourhoods; and they are more likely to be doctors or lawyers.”

Social mobility barely exists but let’s not give up on equality“Too much faith is placed in the idea of movement between the classes. Still, there are other ways to tackle the unfairness of society.” – from greg clark. h/t ben southwood!

Chimps with higher-ranking moms do better in fights

Genetic analysis of human extrapair mating: heritability, between-sex correlation, and receptor genes for vasopressin and oxytocin“[W]e used data on recent extrapair mating in 7,378 Finnish twins and their siblings. Genetic modelling showed within-sex broad-sense heritability — i.e. the percentage of variation in extrapair mating due to genetic variation — of 62% in men and 40% in women. There was no between-sex correlation in extrapair mating, making indirect selection unlikely. Based on previous animal and human findings, we also tested for association of the arginine vasopressin receptor 1A gene (AVPR1A) and oxytocin receptor gene (OXTR) with extrapair mating. We found gene-based association for AVPR1A in women but not in men, and OXTR showed no significant association in either sex. Overall, these findings confirm genetic underpinnings of extrapair mating in humans, but do not suggest that women’s predisposition to extrapair mating is due to selection on men.” – h/t erwin schmidt!

Sources of Marital Conflict in Five Cultures [pdf] – h/t jayman! who tweeted: “‘Marital conflict tends to arise around issues relevant to reproductive strategies.'”

Science Is Not Always “Self-Correcting”“Some prominent scientists and philosophers have stated openly that moral and political considerations should influence whether we accept or promulgate scientific theories. This widespread view has significantly influenced the development, and public perception, of intelligence research. Theories related to group differences in intelligence are often rejected a priori on explicitly moral grounds. Thus the idea, frequently expressed by commentators on science, that science is ‘self-correcting’ — that hypotheses are simply abandoned when they are undermined by empirical evidence — may not be correct in all contexts.” – no, indeed. =/ – from nathan cofnas.

Liberal Bias in Social Psychology: Personal Experience II“‘To what extent is research on politicized topics in social psychology, psychology, and the social sciences distorted by political bias?’ Or, put differently, how much does political bias lead us to entirely unjustified and invalid conclusions?” – h/t claire lehmann! see also Liberal Bias in Social Psychology: Personal Experience I.

Harsh environments and “fast” human life histories: What does the theory say?“A common belief among human life history researchers is that ‘harsher’ environments – i.e., those with higher mortality rates and resource stress – select for ‘fast’ life histories, i.e. earlier reproduction and faster senescence. I show that these ‘harsh environments, fast life histories’ – or HEFLH – hypotheses are poorly supported by evolutionary theory.” – h/t razib!

Lifecycle Patterns in the Socioeconomic Gradient of Risk Preferences [pdf] – h/t ben southwood! who tweeted: “Risk tolerance drops by 0.5sd between adolescence and age 40, but for badly-off it continues dropping to extremity.”

Evidence of polygenic selection on human stature inferred from spatial distribution of allele frequencies – from davide piffer who tweeted: “Different populations have different levels of genotypic height.”

Shared Genetic Influences Between Attention-Deficit/Hyperactivity Disorder (ADHD) Traits in Children and Clinical ADHD

Dorian Gray without his portrait: Psychological, social, and physical health costs associated with the Dark Triad“Examined the Dark Triad and health in American, Australian, and British samples. Psychopathy was best associated with ‘negative’ health outcomes. Narcissism was associated with ‘positive’ health outcomes…. Sex differences in health outcomes were partially mediated by the Dark Triad.”

DNA methylation age of blood predicts all-cause mortality in later life – h/t stuart ritchie! (i don’t wanna die! =o )

Study uncovers genetics of motion sickness – i betcha i have every. single. one. =/

Correlation: The devil rides again? – bryan pesta on correlation…on his new(-ish) blog!

I Don’t Belong Here – on immigrants in france and their problems. lots o’ data! as usual from those who can see!

Your DNA Is Nothing Special“It’s time to relax about genetic testing.” see also: It’s time for the United States to talk about genetics.

diana fleischman tweets: “85% of students in my lecture today think people shouldn’t be able to choose the sex of their baby.” also, from pew: “83% of Americans say changing a baby’s genes to make it more intelligent takes science too far.”

Why There Is No Perfect Human In Puerto Rico or Anywhere Else – h/t shrikant mantri!

Amazonian horticulturalists live in larger, more related groups than hunter–gatherers“Endogamous marriages among kin create intensive kinship systems with high group relatedness, while exogamous marriages among nonrelatives create extensive kinship with low group relatedness. Here, a sample of 58 societies (7,565 adults living in 353 residential groups) shows that average group relatedness is higher in lowland horticulturalists than in hunter–gatherers. Higher relatedness in horticulturalists is remarkable given that village sizes are larger, harboring over twice the average number of adults than in hunter–gatherer camps. The relatedness differential between subsistence regimes increases for larger group sizes.” – h/t andrew sabisky! (thanks, andrew! (^_^) )

On the Whole How You Raise Kids Doesn’t Matter Much – from razib.

Searching For The Origins Of Individualism And Collectivism

The Implicit Assumptions Test“Does the IAT measure what proponents claim it does?” – short answer: no. – h/t steve stewart williams!

Liberal countries have more satisfied citizens while conservatives are happier individuals

How secular family values stack up“[Bengston] was surprised by what he found: High levels of family solidarity and emotional closeness between parents and nonreligious youth, and strong ethical standards and moral values that had been clearly articulated as they were imparted to the next generation. ‘Many nonreligious parents were more coherent and passionate about their ethical principles than some of the “religious” parents in our study,’ Bengston told me. ‘The vast majority appeared to live goal-filled lives characterized by moral direction and sense of life having a purpose….’ [N]onreligious family life is replete with its own sustaining moral values and enriching ethical precepts. Chief among those: rational problem solving, personal autonomy, independence of thought, avoidance of corporal punishment, a spirit of ‘questioning everything’ and, far above all, empathy. For secular people, morality is predicated on one simple principle: empathetic reciprocity, widely known as the Golden Rule. Treating other people as you would like to be treated…. As one atheist mom who wanted to be identified only as Debbie told me: ‘The way we teach them what is right and what is wrong is by trying to instill a sense of empathy … how other people feel. You know, just trying to give them that sense of what it’s like to be on the other end of their actions.'”

Iceland to build its first temple to the Norse gods in 1,000 years

Formation-flying birds swap places to share out lift – h/t steve stewart williams! who tweeted: “Reciprocal altruism is rare in nonhuman animals, but it looks like scientists have found another example.”

Commentary: Weighing the cost of ‘home rule’ in Maine“The state’s system of strong municipal governments is rooted in the early Puritans’ fear of centralization of power.” – from colin woodard.

The Massacre of Europe’s Songbirds – by italians and balkan populations. h/t mr. robert ford!

Ancient tablets reveal life of Jews exiled in Babylon“…where the Judeans traded, ran businesses and helped the administration of the kingdom. ‘They were free to go about their lives, they weren’t slaves,’ Vukosavovic said. ‘Nebuchadnezzar wasn’t a brutal ruler in that respect. He knew he needed the Judeans to help revive the struggling Babylonian economy.'”

Discovery of writing at Peru’s Checta – possible 5000 year old writing from peru. h/t charles mann!

Found in Spain: traces of Hannibal’s troops – h/t donna yates!

Among New York Subway’s Millions of Riders, a Study Finds Many Mystery Microbes“Researchers at Weill Cornell Medical College released a study on Thursday that mapped DNA found in New York’s subway system — a crowded, largely subterranean behemoth that carries 5.5 million riders on an average weekday, and is filled with hundreds of species of bacteria (mostly harmless), the occasional spot of bubonic plague, and a universe of enigmas. Almost half of the DNA found on the system’s surfaces did not match any known organism and just 0.2 percent matched the human genome.” – ruh roh. =/

bonus: Even cockroaches have personalities – personality goes a long way. (~_^)

bonus bonus: In Bedbugs, Scientists See a Model of Evolution – h/t hbd bibliography!

bonus bonus bonus: from john hawks“[M]ale anthropology instructors are vastly more likely to exude spittle than any other field.” =P

bonus bonus bonus bonus: ricky gervais loves natural selection. (~_^)

bonus bonus bonus bonus bonus: A Great Idea: Create an HMS Beagle in LEGO Form“Vote to turn this tiny version of a famous ship into a LEGO kit available for all to enjoy.” – legohhhhhhhhs!!

bonus bonus bonus bonus bonus bonus: The Closest Thing to STAR WARS’ Greedo is Now a CatfishPeckoltia greedoi! (^_^)

(note: comments do not require an email. baby olinguito!)

well, it’s super bowl sunday again! time for lots of pizza & beer, really expensive tv commercials, and for hbd chick to wonder why. why, why, WHY?! why are you all watching a bunch of grown men running around after a ball? (~_^) speaking as an outsider (i.e. not a sports fan), it all looks really weird. (and it might just be w.e.i.r.d. see below.)

srsly. i really don’t get it. i mean, i can sort-of understand people who play sports (although i’ve never been interested in that myself), and i can sort-of get wanting to see a top athlete(s) do their amazing thing — like watching usain bolt sprint at super-human speeds — occasionally. like once. or maybe twice. but every week? or multiple times a week? i’m sorry, but i just don’t understand the whole spectator thing.

last year i wondered why people root for local professional sports teams even though most of the players aren’t local. (why the loyalty?) several readers (and fellow twitter-heads) attempted to explain it to me — thanks for that! (^_^) but, to be honest, i still don’t get it. (don’t worry. it’s not something i lose sleep over anymore.)

this year, i thought i’d see if i could find out who sports fans are. (fans of professional sports.) maybe that’ll shed some light on my whole “why sports?” question. lots of info out there on this very topic. here’s some of it…

from reuters:

“NFL: Last sports bastion of white male conservatives”

“Of people who identified themselves as part of the NFL fan base 83 percent were white, 64 percent were male, 51 percent were 45 years or older, only 32 percent made less than $60,000 a year, and, to finish the point, registered Republicans were 21 percent more likely to be NFL fans than registered Democrats. Another factoid: NFL fans were 59 percent more likely than the average American to have played golf in the last year….”

hmmmm. well, i don’t play (or like to play) golf. maybe that explains why i’ve never watched a super bowl game. (~_^) (in fact, i think i’ve only ever seen one *full* american football game.)

from the atlantic, here’re some stats on the fanbases of other sports:

sports - nba mlb demo

sports - nhl nascar demo

so, sports fans — mostly men (no surprise there), very white (except for in basketball), and football and hockey attract the whitest and wealthiest fans (those two attributes are, perhaps, not unrelated).

from vox, here are some possible american nations maps for jayman (~_^)…

the fanbases of football teams:

sports - american nations - football


sports - american nations - baseball


sports - american nations - basketball

and a hockey tweet map (proximity to canada!):

sports - american nations - hockey tweet map

jumping over to europe for a sec, here again from vox, a map of the percentages of football (soccer) fans attending professional matches. i hope that at this point i don’t have to draw the hajnal line for you (~_^):

sports - europe - football fans

the distribution of dedicated football fans in europe appears to coincide pretty well with the distribution of those who like to get out and play amateur sports themselves (from this previous post):

wvs - membership voluntary organizations - averages

maybe sports fans are w.e.i.r.d.? that IS what i’ve thought my whole life. (~_^)

sorry i don’t have any data here for sports fans in the rest of the world. ‘fraid i’ve exhausted my limited interest in sports for this year. more next february! (^_^)

previously: the home team

(note: comments do not require an email. or a golf handicap!)

pretty much the only political issue that i get worked up about is immigration — mass immigration to be specific. too much immigration (esp. all at once) just doesn’t seem like a good idea to me, for several reasons: 1) assimilation is *not* a thing (’cause of human biodiversity) — what you get with a large influx of a different people (or peoples) into a society is change, or at least division (see Albion’s Seed and American Nations), not assimilation — and while change is not necessarily a bad thing, i think we should be cautious, since no one can know what the outcome will be; 2) diversity doesn’t seem to work very well, not if you want a free and open and liberally democratic nation; and 3) the negative economic effects, in particular the supply of too much cheap labor.

that last reason really applies to african americans, which is why i can never figure out why they’re not more p*ssed off at the current immigration situation.

in 2013, three members of the u.s. commission on civil rightsabigail thernstrom, gail heriot, and peter kirsanow — wrote a letter to the congressional black caucus (cbc) outlining the disastrous consequences the recent mass immigration has had on lower-skilled african-americans and how an amnesty would just further exacerbate those. i can’t see anything to argue with in their letter (looking away from their obvious cluelessness re. human biology and hbd), so i’m just going to reproduce it here (stole it from here — my bolding). too bad the cbc are just another bunch of corrupt politicians who don’t give a sh*t about their constituents:

Hon. Marcia L. Fudge, Chair Congressional Black Caucus
2344 Rayburn House Office Building Washington, DC 20515

Dear Chairman Fudge:

We write in our individual capacities as three members of the eight-member U.S. Commission on Civil Rights, and not on behalf of the Commission as a whole. In light of recent debates on comprehensive immigration reform, we are writing to address a rarely-discussed effect of granting legal status or effective amnesty to illegal immigrants. Such grant of legal status will likely disproportionately harm lower-skilled African-Americans by making it more difficult for them to obtain employment and depressing their wages when they do obtain employment. The increased employment difficulties will likely have negative consequences that extend far beyond economics.

In 2008, the Commission held a briefing regarding the impact of illegal immigration on the wages and employment opportunities of African-Americans.1 The testimony at the briefing indicated that illegal immigration disproportionately impacts the wages and employment opportunities of African-American men.2

The briefing witnesses, well-regarded scholars from leading universities and independent groups, were ideologically diverse. All the witnesses acknowledged that illegal immigration has a negative impact on black employment, both in terms of employment opportunities and wages. The witnesses differed on the extent of that impact, but every witness agreed that illegal immigration has a discernible negative effect on black employment. For example, Professor Gordon Hanson’s research showed that “Immigration . . . accounts for about 40 percent of the 18 percentage point decline [from 1960-2000] in black employment rates.”3 Professor Vernon Briggs wrote that illegal immigrants and blacks (who are disproportionately likely to be low-skilled) often find themselves in competition for the same jobs, and the huge number of illegal immigrants ensures that there is a continual surplus of low-skilled labor, thus preventing wages from rising.4 Professor Gerald Jaynes’s research found that illegal immigrants had displaced U.S. citizens in industries that had traditionally employed large numbers of African-Americans, such as meatpacking.5

Illegal immigration has a disparate impact on African-American men because these men are disproportionately represented in the low-skilled labor force. The Census Bureau released a new report on educational attainment after the Commission issued its report. This report, released in February 2012, found that 50.9 percent of native-born blacks had not continued their education beyond high school.6 The same report found that 75.5 percent of foreign-born Hispanics had not been educated beyond high school, although it does not disaggregate foreign-born Hispanics who are legal immigrants from those who are illegal immigrants.7 However, Professor Briggs estimated that illegal immigrants or former illegal immigrants who received amnesty constitute a third to over a half of the total foreign-born population.8 Foreign-born Hispanics who are in the United States illegally are disproportionately male.9 African-Americans who have not pursued education beyond high school are also disproportionately male.10 These poor educational attainment levels usually relegate both African-American men and illegal immigrant men to the same low-skilled labor market, where they must compete against each other for work.11

The obvious question is whether there are sufficient jobs in the low-skilled labor market for both African-Americans and illegal immigrants. The answer is no. As Professor Briggs noted in his testimony to the Commission, “In February 2008 . . . the national unemployment rate was 4.8 percent, but the unemployment rate for adults (over 25 years old) without a high school diploma was 7.3 percent.”12 During 2007, “Black American adult workers without a high school diploma had an unemployment rate of 12.0 percent, and those with only a high school diploma had an unemployment rate of 7.3 percent.”13 These statistics suggest both that there is an overall surplus of workers in the low-skilled labor market, and that African-Americans are particularly disfavored by employers.14 More recently, Professor George Borjas of Harvard wrote:

‘Classifying workers by education level and age and comparing differences across groups over time shows that a 10 percent increase in the size of an education/age group due to the entry of immigrants (both legal and illegal) reduces the wage of native-born men in that group by 3.7 percent and the wage of all native-born workers by 2.5 percent. . . . The same type of education/age comparison used to measure the wage impact shows that a 10 percent increase in the size of a skill group reduced the fraction of native-born blacks in that group holding a job by 5.1 percentage points.15

Furthermore, these statistics reflect an economy that was not experiencing the persistent stagnation we are experiencing today. The country’s economic woes have disproportionately harmed African-Americans, especially those with little education. In 2011, 24.6 percent of African-Americans without a high school diploma were unemployed, as were 15.5 percent of African-Americans with only a high school diploma.16 Two and half years into the economic recovery, African-Americans face particular difficulty obtaining employment. According to the Bureau of Labor Statistics, the seasonally adjusted January 2013 unemployment rate for all black Americans — not just those with few skills — was 13.8 percent, nearly twice the white unemployment rate of 7.0 percent.17 The economy has a glut of low-skilled workers, not a shortage.

Not only do illegal immigrants compete for jobs with African-Americans, but that competition drives down wages for the jobs that are available. Harvard professor George Borjas writes:

‘Illegal immigration reduces the wages of native workers by an estimated $99 to $118 billion a year . . . . A theory-based framework predicts that the immigrants who entered the country from 1990 to 2010 reduced the average annual earnings of American workers by $1,396 in the short run. Because immigration (legal and illegal) increased the supply of workers unevenly, the impact varies across skill groups, with high school dropouts being the most negatively affected group.18

Immigration, both legal and illegal, resulted in a disproportionately large increase in the number of high school dropouts in the labor pool. This caused a drop in wages among the poorest and least-educated members of the workforce.19 As discussed above, these people are disproportionately likely to be African-American men. Furthermore, there is evidence that wages for these men have not just failed to increase as much as they would have in the absence of illegal immigration. Their real wages, the number of dollars they take home at the end of the week, have actually diminished. Julie Hotchkiss, a research economist and policy advisor at the Federal Reserve Bank of Atlanta, estimated that “as a result of this growth in the share of undocumented workers, the annual earnings of the average documented worker in Georgia in 2007 were 2.9 percent ($960) lower than they were in 2000. . . . [A]nnual earnings for the average documented worker in the leisure and hospitality sector in 2007 were 9.1 percent ($1,520) lower than they were in 2000.”20 A $960 annual decrease may not seem like much to a lawyer or a doctor. But as President Obama noted in regard to the 2012 payroll tax cut extension, an extra $80 a month makes a big difference to many families: “It means $40 extra in their paycheck, and that $40 helps to pay the rent, the groceries, the rising cost of gas . . . .”21

The consequences of illegal immigration for black men and the black community in general are not limited to wages. In another study, Borjas found that lower wages and fewer jobs also correlate with an increase in the black incarceration rate.

‘Our study suggests that a 10% immigrant-induced increase in the supply of a particular skill group is associated with a reduction in the black wage of 2.5%, a reduction in the black employment rate of 5.9 percentage points, and an increase in the black institutionalization rate of 1.3%. Among white men, the same 10% increase in supply reduces the wage by 3.2%, but has much weaker employment and incarceration effects: a 2.1 percentage-point reduction in the employment rate and a 0.2 percentage-point increase in the incarceration rate. It seems, therefore, that black employment and incarceration rates are more sensitive to immigration rates than those of whites.22

Both lower wages and incarceration likely contribute to one of the most serious problems facing the African-American community today: the dearth of intact nuclear families. The disintegration of the black family began to accelerate during the 1960s. It is one of the great tragedies of modern America that the disintegration of the African-American family has shown no signs of abating.23 Seventy-two percent of African-American children are born out of wedlock.24 It is now commonly recognized that children born out of wedlock are far more likely to experience a host of negative outcomes than are children raised by their own biological, married parents.25

Married men are more likely to be employed and to have higher earnings than unmarried men, although the relationship between marriage and economic success is complex. However, it is obvious that men who are unemployed or are incarcerated are far less appealing prospective spouses than men who hold down a steady job.26 Yet there are fewer and fewer jobs available — and at lower wages — for men in traditionally masculine industries.27 Giving amnesty to illegal immigrants would only exacerbate this problem facing low-skilled men, who are disproportionately African-American. The dearth of job opportunities gives these men less confidence in their ability to support a family, and gives women reason to fear that these prospective husbands will be only another mouth to feed.

Granting amnesty to illegal immigrants will only further harm African-American workers. Not only will the low-skilled labor market continue to experience a surplus of workers, making it difficult for African-Americans to find job opportunities, but African-Americans will be deprived of one of their few advantages in this market. Some states require private employers to use E-Verify to establish that their workers are in the country legally. This levels the playing field a bit for African-Americans. If illegal immigrants are granted legal status, this small advantage disappears.

Furthermore, recent history shows that granting amnesty to illegal immigrants will encourage more people to come to the United States illegally. The 1986 amnesty did not solve the illegal immigration problem. To the contrary, that amnesty established the precedent that if you come to America illegally, eventually you will obtain legal status. Thus, it is likely that if illegal immigrants are granted legal status, more people will come to America illegally and will further crowd African-American men (and other low-skilled men and women) out of the workforce.

Before the federal government decides to grant legal status to illegal immigrants, due deliberation should be given to what effect such grant will have on the employment and earnings prospects of low-skill Americans generally and black Americans specifically. We respectfully submit that granting such legal status is not without substantial costs to American workers.

Abigail Thernstrom Vice Chair
Gail Heriot Commissioner
Peter Kirsanow Commissioner

Cc: Congressional Black Caucus

2 Id. at 3, Finding 5:

Illegal immigration to the United States in recent decades has tended to depress both wages and employment rates for low-skilled American citizens, a disproportionate number of whom are black men. Expert economic opinions concerning the negative effects range from modest to significant. Those panelists that found modest effects overall nonetheless found significant effects in industry sectors such as meatpacking and construction.

3 Id. at 26.
4 37, 38-39
5 Id. at 31.
7 Id.
8 THE IMPACT OF ILLEGAL IMMIGRATION, supra note 1, at 35-36.
9 Peter Skerry, Splitting the Difference on Illegal Immigration, NATIONAL AFFAIRS (Winter 2013), at 5 (“Of the undocumented immigrants over the age of 18 currently residing in the U.S., there are approximately 5.8 million males, compared to 4.2 million females.”), available at
10 THE IMPACT OF ILLEGAL IMMIGRATION, supra note 1, at 52; see also Anne McDaniel, Thomas A. DiPrete, Claudia Buchmann & Uri Shwed, The Black Gender Gap in Educational Attainment: Historical Trends and Racial Comparisons, 48 DEMOGRAPHY 889, 890 (2011) (“It is well known that black males trail black females on a range of key educational outcomes, including high school graduation, college enrollment, and college completion.”), available at
11 THE IMPACT OF ILLEGAL IMMIGRATION, supra note 1, Statement of Vernon M. Briggs, Jr., at 37.

[I]t is not everywhere that there is likely to be significant competition between low skilled black workers and illegal immigrant workers, but there are ample circumstances where there is – such as the large metropolitan labor markets of Los Angeles, New York, San Francisco, Chicago, Miami and Washington-Baltimore. Moreover, some of the fastest growing immigrant concentrations are now taking place in the urban and rural labor markets of the states of the Southeast – such as Georgia, North Carolina and Virginia, which never before were significant immigrant receiving states in previous eras of mass immigration. Indeed, about 26 percent of the nation’s foreign-born population are now found in the states of the South – the highest percentage ever for this region. There is mounting evidence that many of these new immigrants in this region are illegal immigrants.

12 THE IMPACT OF ILLEGAL IMMIGRATION, supra note 1, Statement of Vernon M. Briggs, Jr., at 36. 13 Id.
14 Id., Statement of Harry J. Holzer, at 41.

Other evidence, including that by ethnographers, indicates that employers filling low-wage jobs requiring little reading/writing or communication clearly prefer immigrants to native-born blacks, and encourage informal networks through which immigrants gain better access to these jobs. The native-born black workers likely would be interested in some, but not all of these jobs, depending on their wages.

15 George Borjas, Immigration and the American Worker: A Review of the Academic Literature, Center for Immigration Studies (April 2013), available at
16 U.S. DEPT. OF LABOR, The African-American Labor Force in the Recovery (Feb. 29, 2012), at Chart 3, available at
17 BUREAU OF LABOR STATISTICS, Employment situation summary (Feb. 1, 2013), available at
18 Borjas, supra note 15.
19 Id.:

[The simulation] shows that immigration particularly increased supply at the bottom and top of the education distribution. Immigration increased the effective number of hours supplied by high school dropouts to 25.9 percent, and those of workers with more than a college degree by 15.0 percent. In contrast, immigration increased the number of hours supplied by workers with 12 to 15 years of school by only 6 to 8 percent. Overall, immigration increased effective supply by 10.6 percent during the two-decade period. Because of the skewed nature of the supply shift, the simulation shows that immigration particularly affected the wage of native workers at the two ends of the education distribution. The large supply increase experienced by high school dropouts decreased the wage of this group by 6.2 percent in the short run and 3.1 percent in the long run. Similarly, the wage declines for the most highly skilled workers (those with more than a college degree) were 4.1 percent in the short run and 0.9 percent in the long term.

21 Amie Parnes, Obama: Payroll tax cut extension will help with higher gas prices, THE HILL, Feb. 21, 2012, available at
22 George J. Borjas, Jeffrey Grogger, and Gordon Hanson, Immigration and the Economic Status of African-American Men, 77 ECONOMICA 255, 256 (2010).
23 Kay Hymowitz, The Black Family: 40 Years of Lies, CITY JOURNAL (Summer 2005), available at
24 Jesse Washington, Blacks struggle with 72 percent unwed mothers rate, ASSOCIATED PRESS, Nov. 7, 2010, available at
25 See id. (“Children of unmarried mothers of any race are more likely to perform poorly in school, go to prison, use drugs, be poor as adults, and have their own children out of wedlock.”); see also W. Bradford Wilcox and Jeffrey Dew, Protectors or Perpetrators: Fathers, Mothers, and Child Abuse and Neglect, Center for Marriage and Families (Feb. 2008), available at

[A] 1996 federal study found that the overall rate of child maltreatment among single- parent households was nearly double that of two-parent families: 27.3 children per 1,000 were maltreated in single-parent families, whereas 15.5 children per 1,000 were maltreated in two-parent families. Another study found that 7 percent of children who had lived with a single parent had been sexually abused, compared to 4 percent of children who lived in an intact, biological family. Still another study found that children were half as likely to suffer physical abuse involving a traumatic brain injury when they lived in a household with their father, compared to children living in a fatherless family.

Research also indicates that children living in stepfamilies are more likely to suffer from abuse. One study by David Finkelhofer of the University of New Hampshire and his colleagues found that “children currently living in single parent and stepfamilies had significantly greater lifetime exposure than those living with two biological or adoptive parents” to five different forms of victimization—sexual assault, child maltreatment, assault by peers or siblings, being a victim of a crime, or witnessing violence. Other studies have found that children are markedly more likely to be killed or sexually abused by stepfathers, compared to children living in an intact, married household.

26 See Hannah Rosin, THE END OF MEN (2012) 8–10 (a single mother’s description of her daughter’s underemployed father as “one less granola bar for the two of us”).
27 Id. at 71–97 (2012).

(note: comments do not require an email.)

here’s a top ten-ish selection of my posts from this year, selected by me (this blog is not a democracy! (~_^) ). they weren’t necessarily the most read or most commented upon posts, but just the ones that i like the best and that i’d like people to read. ymmv!

a BIG thanks to all of you who do read the ol’ blog! and many, many thanks for all the informative and insightful comments. (^_^) …and for some of the crazy comments, too. (~_^)

big summary post on the hajnal line“so, apart from indicating patterns of nuptuality in late medieval and modern europe, hajnal’s line also represents the extent of both manorialism and The Outbreeding Project on the continent. both of these together set up a very new and different sort of social environment for western europeans — a new, and quite unique, social environment which exerted some very different sorts of selection pressures on the populations, particularly on social behaviors, but perhaps on other traits as well.”

medieval manorialism’s selection pressures“medieval society in northern europe (ca. 400-1500 a.d.) produced some quite unique selection pressures which very much shaped the characteristics and personalities of ‘core’ europeans….”

die ostsiedlung“from a sociobiological point-of-view, probably the most underappreciated event in recent western european history. that and the reconquest of spain.”

mating patterns of the medieval franks“by the 800s, second cousin marriages amongst the franks were considered ‘scandalous.’ bishops actively enforced the bans in their dioceses and neighbors willingly squealed on their cousin-marrying neighbors to the bishops. by the 800s-1000s, there is good evidence that both the frankish aristocracy and the lower classes avoided close cousin marriage.” — see also: kindreds, communes, feuds, and mating patterns in medieval france“beginning in the 1000s, there are indications — the rise of lineages and the appearance of communes — that the french kindreds were starting to break apart. however, feuding continued in france into the 1200-1300s, so clannishness did not disappear in france overnight.”

the transition from shame to guilt in anglo-saxon england (and “core” europe)“feelings of guilt were probably selected for over the course of the middle ages in northwestern europe starting in the early part of the period.” — see also: more on the origins of guilt in northwestern european populations“the center of the guilt culture in northwestern europe — the core region which (historically anyway) has been characterized by the least corruption, the highest levels of trust, liberal democracy, free societies, low levels of internal violence, high levels of human accomplishment, the invention of capitalism, the advancement of science, the development of the ideas and ideals of the enlightenment, and pretty much everything else we call western civilization today — is the core where The Outbreeding Project began the earliest in europe.”

sneak preview: violence, punishment, outbreeding, and swashbuckling pirates in medieval england“over the course anglo-saxon period…the death penalty did come to be more widely applied to cases of homicide, but for most of the period there weren’t really very many executions of killers…. more laws demanding the death penalty (or castration) for killings were issued and enforced during the anglo-norman and angevin periods… [but] executions actually remained comparatively low during large parts of the norman period…. as far as i can tell, criminals were executed right and left during the tudor period. the use of capital punishment really ramped up during the 1500s.” — see also: homicide rates in various regions of thirteenth century england“[I]t is possible that every person in England in the thirteenth century, if he did not personally witness a murder, knew or knew of someone who had been killed.”

a study in swiss“my guess is that the swiss are some of western europe’s ‘inbetweeners’ as far as outbreeding goes. i guessed that they probably got involved in The Outbreeding Project later than some other western europeans — the ones in and closer to the center of my ‘core’ europe. and they didn’t experience manorialism either (unless some of them on the swiss plateau did?).”

reverse renaissance?“perhaps the arabized world underwent a *reverse* renaissance process thanks to the introduction by the arabs of the most inbred form of cousin marriage — father’s brother’s daughter (fbd) marriage — to the populations of the middle east/maghreb….” — see also asabiyyah and asabiyyah ii – clannishness and the abbasid caliphate.

fbd cousin marriage and clans and tribes in iraq“i think a long term inbreeding society selects — or *can* select — for what i call clannishness. and iraqis have got that in spades. they’ve got clans and tribes, nepotism, and an obvious inability to handle liberal democracy. not that that’s some sort of goal in and of itself. i’m just sayin’.”

cousin marriage in sub-saharan africa“there is also a wide variety of mating patterns in ss africa. some populations avoid cousin marriage altogether. we’ve already seen this with the bamileke of cameroon and the igbo of nigeria. also the turkana of kenya and quite possibly the amhara of ethiopia (not 100% sure about them — need to double-check). a notable group which apparently avoids cousin marriage is the zulu. but plenty of other ss africa groups do practice cousin marriage like, as you’ll see in the table below, the kongo and luba in the democratic republic of congo, the ashanti in ghana, the sotho-tswana in south africa, and the kpelle of liberia.” — see also: the bamileke of cameroon and fulani, hausa, igbo, and yoruba mating patterns.

the american revolutions“that there were four american revolutions is a result of the fact that four (five?) somewhat different english populations settled in different regions of north america. the cultural and attitudinal differences between these regions persist to this day because, undoubtedly, there are genetic variations between the populations — probably average genetic differences in the frequencies of genes related to behaviors, personality, and even intelligence. these regional differences also persist because, since the very founding of the united states, like-minded people have been self-sorting themselves within the country so that they group together — and that sorting process has *not* been slowing down.”

it’s not nature and nurture…“…it’s nature and…*we dunno*…miscellaneous/unknown/noise?” — this post's actually very important. READ THIS POST! think about it for a while and let it sink in. and make sure to follow the links!

– my "what is hbd" series: what is human biodiversity (hbd)?“human biodiversity (hbd) is very simply the diversity found among and between human populations that has a biological basis.” — see also: what human biodiversity (hbd) is not; examples of human biodiversity (hbd); why human biodiversity (hbd) is true; hbd and racism; and hbd and politics.

– and finally: you and me and hbd“if you accept that humans exhibit biologically based diversity, then you’d better be prepared to accept ALL of it.”

previously: top ten list 2013


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