linkfest – 01/03/ thecurrentyear

The human migration out of Africa left its mark in mutations“The farther from Africa, the more of them there are.” – h/t billare! – see also: Distance from sub-Saharan Africa predicts mutational load in diverse human genomes.

Genomic Evidence Establishes Anatolia as the Source of the European Neolithic Gene Pool“Kum6 shows a strong population continuity with present-day Sardinia. Kum6 expresses connections to the central Eurasian gene pool. Kum6 shares notable affinity with the Iceman, a 5,300-year-old southern European. Genetic affinities to both East and West suggest continuous contact with Anatolia.”

Ancient Irish had Middle Eastern ancestry, study reveals“Genetic researchers find evidence of mass migration to Ireland thousands of years ago.” – see also: Neolithic and Bronze Age migration to Ireland and establishment of the insular Atlantic genome. and see also from razib: The Gaels Were from Scythia. and from dienekes: Bronze Age people from Ireland had steppe ancestry and R1b. – (my mtDNA hapologroup [more here] — H13a1a — is rather rare in ireland, but is most common in daghestan and may have arisen there. the parent group H originated in the near east.)

The Residents of Vanuatu, Then and Now“Analysis of skulls in the oldest known cemetery in the South Pacific suggests that the earliest inhabitants of Vanuatu may have descended from Asian and Polynesian populations, while modern residents share more physical similarities with people in Melanesia.”

The evolution of the age at menarche from pre-historical to modern times“Data from skeletal remains suggest that in the Paleolithic female menarche occurred at an age between 7 and 13 years, early sexual maturation being a trade-off for reduced life expectancy. In the classical, as well as in the medieval years, the age at menarche was generally reported to be at about 14 years, with a range from 12-15 years. A significant retardation of the age at menarche occurred in the beginning of the modern times, soon after the industrial revolution, due to the deterioration of the living conditions, most studies reporting menarche to occur at 15-16 years. In the 20th century, especially in the second half of it, in the industrialized countries, the age at menarche decreased significantly, as a result of the improvement of the socioeconomic conditions, occurring between 12-13 years. In the present times, in the developed countries, this trend seems to slow down or level-off.” – h/t neuroskeptic!

Why parenting may not matter and why most social science research is probably wrong and How to Find a Parenting Effect – from brian boutwell! – from the first article: “Whether it’s a study purporting to link some aspect of parenting to child development, or a study intended to link some new diet fad to weight loss, the results are unclear if they did not control for genetics. Lest someone put words into my mouth later, this does *not* mean that every correlation reported by social scientists is the result of correlated genetic influences. The point, however, is that we have spent decades churning out correlations and we have no idea whether the findings were polluted by unmeasured genetic factors. That’s frightening, especially since public policies have been built on some of these potentially illusory correlations. The standard way of doing business in the social sciences ignores genetic influences, and has for years. Be careful which findings you cling to. Most social science research can only reveal associations; which is important, no doubt, but I presume you want to know something about causality also (i.e., if you eat bacon everyday what’s the chance that it’ll *cause* you to get cancer; that sort of thing). To even begin approximating causality (assuming you cannot do an experiment, which you can’t with most social science research), you must account for all confounding factors—genes included.”

Discontinuity in the genetic and environmental causes of the intellectual disability spectrum“[O]ur results suggest that most severe ID is a distinct condition, qualitatively different from the preponderance of ID, which, in turn, represents the low extreme of the normal distribution of intelligence.”

Heritability of autism spectrum disorders: a meta-analysis of twin studies – between 64-91%.

Progress and promise in understanding the genetic basis of common diseases

The Concordance and Heritability of Type 2 Diabetes in 34,166 Twin Pairs From International Twin Registers: The Discordant Twin (DISCOTWIN) Consortium – h/t amir sarislan! who tweeted: “Heritability of Type 2 Diabetes 72% (95% CI: 61–78%).”

Clinical Genetics Has a Big Problem That’s Affecting People’s Lives“Unreliable research can lead families to make health decisions they might regret.”

Schizophrenia and violence“[T]here are startling new results from a large, representative sample of Norwegians [swedes, i think-h.chick], showing that the rate of violence is about 7 times higher in schizophrenics as compared to controls, and 3 times higher for those with bi-polar disorder.” – from dr. james thompson.

How Time Preferences Differ: Evidence from 53 Countries“Time discounting correlates with innovation, environmental protection, innovation, etc.” – h/t rolf degen!

Personality, cognitive/psychological traits and psychiatric resilience: A multivariate twin study“Neuroticism evidenced the largest phenotypic and genetic relationship with resilience, and accounted for nearly all of the phenotypic and genetic variance between resilience and the other traits.”

Polls and Elections Some Folks You Just Can’t Reach: The Genetic Heritability of Presidential Approval“The model is tested using twin data to estimate the genetic heritability of presidential performance evaluations and finds that presidential approval has a strong genetic component.” – h/t andrew sabisky!

Status Decreases Dominance in the West but Increases Dominance in the East“Across two experiments, having high status decreased punishment by American participants but increased punishment by Chinese and Indian participants. Moreover, within each culture, the effect of status on punishment was mediated by feelings of being respected. A final experiment found differential effects of status on punishment imposed by Asian Americans depending on whether their Asian or American identity was activated.” – h/t timothy bates!

Assortative Mating for Educational Level in Parents of Public School Children (N > 7000 Individuals) in the Lagos State, Nigeria“Approximately 61.5 % of the parents had spouses at the same level of education. More mothers than fathers married upward in educational level. The assortative mating coefficients for educational level were .52–.61 across respondents’ classes, .51–.62 across six school districts, and .57 (.55–.59) in the total sample. Overall, these results were very similar to the findings from Western or Asian samples, providing evidence to support the robustness of human mating pattern in educational attainment across different cultures and ethnic groups.”

‘The Bell Curve’ 20 years later: A Q&A with Charles Murray“The lesson, subsequently administered to James Watson of DNA fame, is that if you say it is likely that there is *any* genetic component to the black-white difference in test scores, the roof crashes in on you. On this score, the roof is about to crash in on those who insist on a purely environmental explanation of all sorts of ethnic differences, not just intelligence. Since the decoding of the genome, it has been securely established that race is not a social construct, evolution continued long after humans left Africa along different paths in different parts of the world, and recent evolution involves cognitive as well as physiological functioning.”

Why Some of the Worst Attacks on Social Science Have Come From Liberals“In the halls of social-science academia, where liberals [have a numerical advantage], it’s telling that some of the same sorts of feeding frenzies occur. This should stand as a wake-up call, as a rebuke to the smugness that sometimes infects progressive beliefs about who ‘respects’ science more. After all, what both the Bailey and Chagnon cases have in common — alongside some of the others in Galileo’s Middle Finger — is the extent to which groups of progressive self-appointed defenders of social justice banded together to launch full-throated assaults on legitimate science, and the extent to which these attacks were abetted by left-leaning academic institutions and activists too scared to stand up to the attackers, often out of a fear of being lumped in with those being attacked, or of being accused of wobbly allyship.”

Small families are better for kids, new research says – hmmmm. – see also: The Quantity-Quality Trade-Off And The Formation Of Cognitive And Non-Cognitive Skills.

edge question 2016: What Do You Consider The Most Interesting Recent [Scientific] News? What Makes It Important? – john tooby’s response: The Race Between Genetic Meltdown and Germline Engineering. – h/t steve stewart williams!

Oldest Hoabinhian site discovered in SW China“The oldest Hoabinhian culture, an important technological adaptation by hunter-gatherers to the humid tropical and subtropical environments of southeast Asia some 43,500 years ago, was identified in southwest China’s Yunnan Province. Discovered at Xiaodong Rockshelter, it is the first-ever Hoabinhian site to be found in China, according to a research team at the Yunnan Institute of Cultural Relics and Archaeology.”

Palaeolithic stone tools found in Iranian Kurdistan

bonus: Do Dogs Know Other Dogs Are Dogs?“This is not a philosophical riddle. Despite their highly variable appearance, dogs can recognize each other by sight alone.” – woof!

bonus bonus: Carrie Fisher: I had sex with Princess Leia fans – what happens at comic-con STAYS at comic-con! (~_^) – h/t razib!

and the tweet of the (last) week…! (~_^)

(note: comments do not require an email. carrie fisher. you’re welcome! (~_^) )

top ten list 2014

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

linkfest – 02/17/14

making up for a few lost weekends linkfests…

Tracing Ancestry, Researchers Produce a Genetic Atlas of Human Mixing Events“Researchers have found genetic evidence for hundreds of examples of the large-scale mixing of human populations in the past 4,000 years.” – see also: A Genetic Atlas of Human Admixture History“We used this to produce an atlas of worldwide human admixture history, constructed by using genetic data alone and encompassing over 100 events occurring over the past 4000 years. We identified events whose dates and participants suggest they describe genetic impacts of the Mongol empire, Arab slave trade, Bantu expansion, first millennium CE migrations in Eastern Europe, and European colonialism, as well as unrecorded events, revealing admixture to be an almost universal force shaping human populations.” – see also: A genetic atlas of human admixture history. – see also from dienekes: Human admixture common in human history (Hellenthal et al. 2014).

Earliest footprints outside Africa discovered in Norfolk“Scientists have discovered the earliest evidence of human footprints outside of Africa, on the Norfolk Coast in the East of England. The footprints are more than 800,000 years old and were found on the shores of Happisburgh.”aaaand then they got washed away in the storms. (>_<)

Modern human genomes reveal our inner Neanderthal“Cross-breeding boosted Homo sapiens’ ability to cope with cool climates, but the hybrids may have had trouble breeding.” – see also: Neanderthal-human sex bred light skins and infertility. and see also: Adaptive Neanderthal admixture – from greg cochran.

Science discovers new ignorance about the past – good stuff from matt ridley.

Genetic origins of high-altitude adaptations in Tibetans“Genetic adaptations for life at high elevations found in residents of the Tibetan plateau likely originated around 30,000 years ago in peoples related to contemporary Sherpa. These genes were passed on to more recent migrants from lower elevations via population mixing, and then amplified by natural selection in the modern Tibetan gene pool, according to a new study.” – see also: Admixture facilitates genetic adaptations to high altitude in Tibet – see also: A novel mechanism for getting high – from greg cochran. – see also: Tibetan mastiffs equally adapted to high altitudes of Tibet.

Immediate replacement of fishing with dairying by the earliest farmers of the northeast Atlantic archipelagos [i.e. british isles] – “These new findings…unequivocally confirm rejection of marine resources by early farmers coinciding with the adoption of intensive dairy farming. This pattern of Neolithization contrasts markedly to that occurring contemporaneously in the Baltic, suggesting that geographically distinct ecological and cultural influences dictated the evolution of subsistence practices at this critical phase of European prehistory.”

The booms and busts of Neolithic Europe (and their potential impact on our DNA)“most of the interactions between the genetically Near Eastern-like Neolithic farmers and indigenous European hunter-gatherers, including mixing, in all likelihood took place on the peripheries of the farming societies. If so, then perhaps every time there was a bust, it was the relatively more admixed, or even more hunter-gatherer-like, farmer groups from the peripheries that took advantage of the situation and moved in to grab some land in the depopulated regions? In other words, this might have been the process which led to the well-documented reemergence of hunter-gatherer-derived ancestry in the heart of Europe after the early Neolithic.” – @eurogenes.

First Ancient North American Genome Sequenced“Analysis of 12,600-year-old DNA refutes the idea that Native Americans originated in Western Europe.” – see also: The genome of a Late Pleistocene human from a Clovis burial site in western Montana

The Fading of the Most Basal of Basal“[T]he western and eastern Pygmy populations of the Congo rainforest seem to have diverged tens of thousands of years ago, tens of thousands of years after their divergence from the ancestors of their agriculturalist neighbors.” – from razib.

Slow times in the New World – from greg cochran.

Genetic ancestry is associated with colorectal adenomas and adenocarcinomas in Latino populations“[I]ncreased African ancestry (or variants linked to it) contributes to the increased susceptibility of colorectal cancer in admixed Latin American population.” – h/t razib!

Black Death Left a Mark on Human Genome“Genetically, the Rroma are still quite similar to the northwestern Indians, even though they have lived side by side with the Romanians for a millennium, the team found. But there were 20 genes in the Rroma and the Romanians that had changes that were not seen in the Indians’ versions of those genes, Netea and his colleagues report online today in the Proceedings of the National Academy of Sciences. These genes ‘were positively selected for in the Romanians and in the gypsies but not in the Indians,’ Netea explains. ‘It’s a very strong signal.'”

HBD is Life and Death – from jayman.

Chemists Seek Possible Precursor to RNA – h/t billare! who tweeted: “Were there self-assembling replicants—proto-RNAs—before RNA world? Researchers find some candidates.”

The Unique Merger That Made You (and Ewe, and Yew)“All sophisticated life on the planet Earth may owe its existence to one freakish event.” – mitochondria, eukaryotes, yada, yada, yada.

Study demonstrates evolutionary ‘fitness’ not the most important determinant of success“By modelling populations over long timescales, the study showed that the ‘fitness’ of their traits was not the most important determinant of success. Instead, the most genetically available mutations dominated the changes in traits. The researchers found that the ‘fittest’ simply did not have time to be found, or to fix in the population over evolutionary timescales. The findings suggest that life on Earth today may not have come about by ‘survival of the fittest’, but rather by the ‘arrival of the frequent’.”

Burakumin, Paekchong, and Cagots“Human evolution is a logarithmic curve where most of the interesting changes have happened since the advent of farming and complex societies. *Homo sapiens* was not a culmination but rather a beginning…of gene-culture co-evolution. There are many ways to study this co-evolution, but one way is to look at the different evolutionary trajectories followed by castes and their host populations.” – from peter frost.

Of Genetic Determinists and Unicorns – from helian.

Geographic variation of human gut microbes tied to obesity“[P]eople living in northern latitudes have a greater proportion of the Firmicutes associated with obesity than do people living farther south, and a smaller proportion of Bacteroidetes. The implications are unclear, though microbes may evolve with people to better extract energy from food in colder climates.” – h/t claire lehmann! – also: I had the bacteria in my gut analysed. And this may be the future of medicine.

A Dog Can’t Teach a Dog New Tricks (But It Can Teach a Wolf) – *cough*domestication*cough* – h/t neuroskeptic!

Revolutionary new view on heritability in plants: Complex heritable traits not only determined by changes in DNA sequence“Complex heritable traits are not only determined by changes in the DNA sequence. Scientists have now shown that epigenetic marks can affect traits such as flowering time and architecture in plants. Furthermore, these marks are passed on for many generations in a stable manner.” – in PLANTS! (are you a plant?)

Single nucleotide polymorphism in the neuroplastin locus associates with cortical thickness and intellectual ability in adolescents – h/t stuart ritchie! – also: Scientists identify gene linking brain structure to intelligence.

The many-headed Hydra of alternate intelligences – from dr. james thompson.

Quick Post: L&V’s National IQs predict GMAT scores across 173 nations“We have shown that measures of national cognitive ability predict both GMAT scores and English proficiency scores independent of rates of English usage. GMAT and English proficiency scores seem to be indexes of National (g) by way of National IQ and National ACH.” – @human varieties.

Meritocracy doesn’t work. It’s in the Left’s interest to recognise this.“The Son Also Rises, a study of social mobility by Gregory Clark, will surprise and also alarm some people. He notes, by using surname patterns, that mobility is minimal in all societies where the data is available. Even, for example, in the Nordic paradise of Sweden. He says: ‘In all societies, what seems to matter is just who your parents are. At the extreme, we see in modern Sweden an extensive system of public education and social support. Yet underlying mobility rates are no higher in modern Sweden than in pre-industrial Sweden or medieval England.’ He also notes that even in revolutionary societies, such as in Communist China, people with aristocratic surnames also turn up at the top, showing that once again Darwin trumps Marx.” – from ed west. – see also: Everyone likes the idea of equal opportunity. This economist thinks it’s a fantasy.

The Ideological-Conflict Hypothesis: Intolerance Among Both Liberals and Conservatives“[L]iberals and conservatives express similar levels of intolerance toward ideologically dissimilar and threatening groups.”

Sadism: A New Addition to the Dark Triad? – from staffan.

You Are Not A Special Snowflake – from sisyphean the mad contrarian.

Males and females differ in specific brain structures“Reviewing over 20 years of neuroscience research into sex differences in brain structure, researchers have conducted the first meta-analysis of the evidence. The team performed a quantitative review of the brain imaging literature testing overall sex differences in total and regional brain volumes. They found that males on average have larger total brain volumes than women (by 8 to 13 percent). Looking more closely, the researchers found differences in volume between the sexes were located in several regions. These included parts of the limbic system, and the language system.”

Major sex differences in brain gene expression – from mr. mangan, esq. – also: How Can This Be? – from malcolm pollack.

How much do sex differences matter in sports?“Thanks in large part to testosterone, men are generally heavier and taller than women. They have longer limbs relative to their height, bigger hearts and lungs, less fat, denser bones, more oxygen-carrying red blood cells, heavier skeletons that support more muscle — 80 percent more in the upper body, on average, which is about the difference between male and female gorillas — and narrower hips that make for more efficient running and decrease the chance of injury. But since these differences generally don’t appear until puberty, boys’ and girls’ records in track tend to be identical before age 10. There’s scant biological reason to separate young boys and girls in competitions.” – from david epstein.

How the gender divide reaches into our nightmares“A study has found women are more likely to dream of interpersonal disputes, while men tend to face war, calamities and insect swarms alone.”

Be My Valentines: Is Monogamy Natural to Us?“It turns out that we aren’t monogamous or polygamous by nature. As everyone from poets to divorce attorneys can attest, we are by nature a profoundly confused species—somewhere in between.” – h/t robert ford!

Male infanticide leads to social monogamy in primates“The origin of social monogamy in primates is best explained by long lactation periods caused by altriciality, making primate infants particularly vulnerable to infanticidal males. We show that biparental care shortens relative lactation length, thereby reducing infanticide risk and increasing reproductive rates. These phylogenetic analyses support a key role for infanticide in the social evolution of primates, and potentially, humans.” – h/t heartiste!

23andMe Couples Correlated“For Valentine’s Day, we analyzed data from 15,298 real-world couples who had children together and found that people paired with others who were more like themselves than they were different.”

How Women Gang Up On Each Other To Get What They Want – from claire lehmann.

Morality and evolution – from mr. mangan, esq.

Cultural Marxism, gay-style – hints of left-wing authoritarism? i think so. from the awesome epigone.

Panthropology reveals 4,300 year old chimp site

Ethnic diversity’s ‘inconvenient truths’“[W]hen the Vancouver Foundation recently conducted a massive survey of Metro Vancouver residents, researchers discovered most people in this West Coast city feel unusually high levels of loneliness and lack of friends…. The Vancouver Foundation survey of 3,800 diverse Metro residents confirmed Putnam’s results. It found one in four Metro residents feels alone more often than they would like, one-third consider Vancouver a difficult place to make friends, most don’t socialize with their neighbours, half don’t volunteer and most feel that, while diversity is generally a good thing, they prefer to be with members of their own ethnic group.” – h/t mike anissimov!

Rainforests in Far East shaped by humans for the last 11,000 years“New research shows that the tropical forests of South East Asia have been shaped by humans for the last 11,000 years. The rain forests of Borneo, Sumatra, Java, Thailand and Vietnam were previously thought to have been largely unaffected by humans, but the latest research suggests otherwise.”

The Case of Moulay Ismael – Fact or Fancy?“The results indicate that Moulay Ismael could have achieved this high [888 children!] reproductive success.” – btw, that’s moulay ismael the bloodthirsty to you!

How HBD Will Make you a Better Person“[F]orbidden knowledge does not result in genocide. The problem with this view is that genocide has been the norm throughout human history — that is, until very recently. On a historical timeline, our recent scientific knowledge of racial differences actually negatively correlates with the historic trend of genocide.” – @occam’s razor.

Robots and HBD denialism“The coming robot revolution will make the labor of people below a certain IQ totally worthless. This is an event never before experienced by humanity.” – from the lion of the blogosphere.

The outgrowth of Muller’s eugenics program“[T]he eugenics program described by Muller, as such, has become a reality.” – h/t jayman and billare!

Being lazy could be genetic say scientists – study done on (lazy, good for nuthin’!) mice.

Male sexual orientation influenced by genes, study showsGenes examined in study are not sufficient or necessary to make men gay but do play some role in sexuality, say US researchers.”

Church Making Strides Preserving African Family Histories“Genealogy experts are experiencing a race against time in Sub-Saharan Africa; an area that spans 36 countries. There is an urgency to collect oral interviews of African genealogy because family historians are aging and some are dying before those histories can be recorded.” – h/t t.greer!

Plagiarism attitudes common across cultures – in children – h/t naturalismo!

Richard III DNA mapping: historic first lets experts look into eyes of Plantagenet king“Scientists will be able to check whether portraits of a dark-haired brooding monarch are accurate.”

Norse Rune code cracked“A scholar of the University of Oslo has cracked one of the rune codes used by the Vikings, revealing they were sending each other messages such as ‘Kiss me’.” -?!-

Midiclorianos: determinismo biológico en Star wars – REALLY important stuff from eduardo zugasti. (^_^)

After 400 years, mathematicians find a new class of solid shapes“Nearly 400 years after the last class was described, researchers claim that they may have now invented a new, fourth class, which they call Goldberg polyhedra.” – h/t jason moore!

bonus: Nigeria: Restaurant Served Roasted Human Heads – yup.

bonus bonus: Huge chimpanzee population thriving in remote Congo forest“Scientists believe the group is one of the last chimp ‘mega-cultures’, sharing a unique set of customs and behaviour.”

bonus bonus bonus: Camels Had No Business in Genesis“Radiocarbon dating was used to pinpoint the earliest known domesticated camels in Israel to the 10th century B.C.— decades after the kingdom of David, according to the Bible.”

bonus bonus bonus bonus: Cat parasite found in Arctic Beluga“The cat parasite *Toxoplasma gondii*, which can cause blindness in people, has been identified in Beluga in the western Arctic.” – h/t carl zimmer!

bonus bonus bonus bonus bonus: The Rise of the Crazy Ants“Ants equipped with venom antidote invade southeastern U.S.” – h/t hbd bibliography!

bonus bonus bonus bonus bonus bonus: This Tiny Animal Can Live an Estimated 1,400 Years

bonus bonus bonus bonus bonus bonus bonus: Conservative Acquaintance Annoyingly Not Racist – h/t niall gooch!

(note: comments do not require an email. bili apes!)

side-effects of polygamy in three african societies

here’s a little data from the demographic and health surveys for three african nations where polygamy is common — benin (2006), burkina faso (2003), and nigeria (2008). these are the percentages of single (never married) men and women at different ages. as you can see, because of polygamy (which creates a shortage of women), it takes longer for men to get married (a first time).

in benin, we don’t see a majority of men (76%) being married until after age 25. the vast majority of women are married by ages 20-24:

in burkina faso, again, a majority of men (~60%) are not married until after age 25. 84% of women are married by age 24:

in nigeria, a majority of men (76%) are not married until between the ages of 30-34. 62% of women are married by the age of 24:

in all three countries, a majority of men aged 45+ (98-99%) are married, but there’s a h*ckuva long wait for so many men!

see also: solving the “polygamy problem”? and more on solving the “polygamy problem”

(note: comments do not require an email. or a marriage license.)