Archives for posts with tag: iq

Stone Age skull from Kenya reveals astonishing human diversity“A partial human skull found at a site in Kenya suggests early humans living in Africa were incredibly diverse. The 22,000-year-old skull is not a new species and is clearly that of an anatomically modern human, but is markedly different from similar finds from Africa and Europe from the same time, the researchers said…. [T]he new findings suggest that during this early period of human history, Africa may have supported even greater human diversity, with small, offshoot lineages that no longer exist today….”

A New Theory on How Neanderthal DNA Spread in Asia“Researchers have discovered that Neanderthals interbred with the ancestors of Asians at two points in history, giving this population an extra infusion of Neanderthal DNA.”

Division of labor by sex and age in Neandertals: an approach through the study of activity-related dental wear“The study reveals that all individuals have cultural striations, but those detected on the adult females are longer than the striations found in adult males. Regarding the distribution of dental chipping, the prevalence of this trait is higher in the maxillary dentition of males whereas females have the majority of dental chipping on their mandibular teeth. T he differences detected on the overall activity-related dental wear pattern denote a difference or a division of labor by age and sex in Neandertals while using the mouth as a third hand, i.e., in activities other than the provisioning of food, and provide new evidence for the lifestyle of this Pleistocene fossil human species.” – h/t paleogenomics!

European languages linked to migration from the east“Large ancient-DNA study uncovers population that moved westwards 4,500 years ago.” — see also Massive Migration and Origins from greg cochran.

A story of 69 ancient Europeans – from dienekes. you need to read this one!

Genetic Characterization of Human Populations: From ABO to a Genetic Map of the British People – see map here @dienekes’.

Y chromosomes and Catalan surnames“‘By genotyping 17 Y-STRs and 68 SNPs in ~2500 male samples that each carried one of the 50 selected Catalan surnames, we could determine sets of descendants of a common ancestor, the population of origin of the common ancestor, and the date when such a common ancestor lived. Haplotype diversity was positively correlated with surname frequency, that is, rarer surnames showed the strongest signals of coancestry. Introgression rates of Y chromosomes into a surname by non-paternity, adoption, and transmission of the maternal surname were estimated at 1.5−2.6% per generation, with some local variation. Average ages for the founders of the surnames were estimated at ~500 years, suggesting a delay between the origin of surnames (twelfth and thirteenth centuries) and the systematization of their paternal transmission. We have found that, in general, a foreign etymology for a surname does not often result in a non-indigenous origin of surname founders; however, bearers of some surnames with an Arabic etymology show an excess of North African haplotypes.'” – @dienekes’.

Genetic evidence for an origin of the Armenians from Bronze Age mixing of multiple populations

Stone Age skeleton judged Norway’s oldest – 8000 years old.

Italic “Eteocretan” Sea peoples? – also @dienekes’.

Making Discoveries about Human Evolution Using 3D Technology

Make Love, Not Disease“New research on the genetic advantages of sexual reproduction has found that blending our genes through sex helps purge us of disease mutations.”

Human Genome Studies Reveal How Little Is Necessary To Explain the Human DNA Behind our Bigger Brains

Gene Changes Make Humans’ Sense of Taste Unique“Our ability to eat bitter plants help distinguish us from our ancestors and chimpanzees today.”

Dominance Genetic Variation Contributes Little to the Missing Heritability for Human Complex Traits – h/t gerome breen!

Elevated germline mutation rate in teenage fathers [pdf] – “We observe, as expected, that the overall mutation rate for fathers is seven times higher than for mothers. Also as expected, mothers have a low and lifelong constant DNA mutation rate. Surprisingly, however, we discover that (i) teenage fathers already set out from a much higher mutation rate than teenage mothers (potentially equivalent to 77–196 male germline cell divisions by puberty); and (ii) ageing men maintain sperm DNA quality similar to that of teenagers….” – h/t andrew sabisky! jayman tweeted: “8.2% false paternity rate in West Africans and 1.3% in Middle Easterners in this sample.”

Escape from crossover interference increases with maternal age – h/t billare! who tweeted: “Higher recombination rates in older women, being less concentrated in the usual hotspots. Men tend to stick w/theirs.”

Predicting and retrodicting intelligence between childhood and old age in the 6-Day Sample of the Scottish Mental Survey 1947“Terman–Merrill Stanford–Binet intelligence test scores at age 11 years correlated .72 with verbal intelligence at age 77. Adding another test from age 11 and educational took the multiple R to .81. National Adult Reading Test scores at age 77 and educational had a multiple R of .75 with IQ scores at age 11.” – h/t stuart ritchie! — see also Steady as she goes from dr. james thompson.

Peer effects: they exist but they’re not very big – from ben southwood.

Indian states: G and S factors – from emil kirkegaard.

State IQ estimates (2013) and 2013 IQ estimates by state, total and white only and State IQ estimates, blacks only (2013) and State IQ estimates, Hispanics only (2013) and IQ by race and parental educational attainment – from the awesome epigone.

Nailing liberalism / conservatism by the 50 U.S. States – from bryan pesta.

Low IQ ups risk of heavy drinking among men“The researchers analysed data collected from 49,321 Swedish males born during 1949 to 1951 and who were conscripted for Swedish military service from 1969 to 1971. IQ results were available from tests performed at conscription, and questionnaires also given at conscription provided data on total alcohol intake (consumed grams of alcohol/week) and pattern of drinking, as well as medical, childhood and adolescent conditions, and tobacco use. Adjustments were made for socio-economic position as a child, psychiatric symptoms and emotional stability and the father’s alcohol habits. ‘We found that lower results on IQ tests in Swedish adolescent men are associated with a higher consumption of alcohol, measured in both terms of total intake and binge drinking,’ Sjolund said.” h/t ruta akula!

Mathematical Proof Is Not Minutiae And Irreducible Complexity Is Not A Theory: A Final Response To Burt And Simons And A Call Tl Criminologists – from brian boutwell et al. brian tweeted: “Our second response to the call within Criminology to ban twin research.”

Familial Clustering of Tic Disorders and Obsessive-Compulsive Disorder – h/t amir sariaslan!

A two-dimensional model of psychopathy and antisocial behavior: A multi-sample investigation using items from the Psychopathy Checklist-Revised – h/t richard harper! who tweeted: “[P]sychopathy as fearless affect plus disinhibited lifestyle, then plus anti-social to get crime.”

Birds of a “bad” feather flock together: The Dark Triad and mate choice“[W]omen high in psychopathy considered the Dark Triad traits in potential male partners more physically attractive and desirable for an one-night stand, as well as a potential husband. Men who were high on psychopathy were likewise attracted to psychopathy in potential mothers.”

Cads and dads“Promiscuity and fidelity seem to be specific biological adaptations. Their manifestations in men and women are not as different as you might expect.” (whatever’s gotten into the economist these days?)

Genetic similarity between mates predicts extrapair paternity — a meta-analysis of bird studies

Who cares? Why evolution suggests parenting responsibility is seldom equally shared

Sex Differences in Preferences for Humor: A Replication, Modification, and Extension [pdf] – “[M]en prefer women who are receptive to their humor whereas women prefer men who produce humor. These findings held even after we modified Bressler et al.’s questionnaire for better conceptual validity. Furthermore, using a separate measure designed to assess trade-offs, we found that men viewed humor receptivity as a necessity and humor production as a luxury when they were asked to create an ideal long-term partner. For women, it was just the opposite.”

How Big are Psychological Sex Differences?“Sex Differences are Not Small if You Know Where to Look” – h/t claire lehmann!

Prenatal hyperandrogenic environment induced autistic-like behavior in rat offspring – h/t simon baron-cohen!

The influence of prenatal hormones on occupational choice: 2D:4D evidence from Moscow“Women in enterprising occupations exhibited lower measured 2D:4D ratios than average. Those in conventional and social work had higher 2D:4D ratios. Results confirm previous findings on 2D:4D and gender-specific occupational interests.”

Examining the Impact of Peer Group Selection on Self-Reported Delinquency: A Consideration of Active Gene–Environment Correlation – h/t jayman! who tweeted: “Do peers still influence adolescent delinquency after taking into account genetic influences? No.”

Socioeconomic status and sick leave granted for mental and somatic disorders: a prospective study of young adult twins“Low SES is associated with a higher level of sick leave granted for both mental and somatic disorders among young adults, but these associations are confounded by factors that are common to co-twins. Education and income are therefore not likely to strongly affect sick leave in young adulthood.”

List of genetic confounds – from emil kirkegaard.

Sibling differences in low birth weight, dopaminergic polymorphisms, and ADHD symptomatology“[L]ow birth weight siblings are at significantly greater risk of exhibiting symptoms of ADHD during childhood relative to their normal birth weight siblings. Moreover, possessing greater genetic risk on three dopaminergic genes (DAT1, DRD2, and DRD4) relative to a sibling appears to exacerbate the link between sibling differences in birth weight and sibling differences in ADHD symptomatology.”

What is different about the brains of “SuperAgers”“Compared with average elderly individuals, they found fewer Alzheimer-type neurofibrillary tangles and an increased packing density of von Economo neurons, especially in the anterior cingulate.”

“Bad genes” & criminal responsibility – MAOA stuff.

Heritability & the left“[T]here’s no conflict between leftism and a belief in the heritability of ability.” – that’s what i said! see also: Heritability, Left and Right.

What does it say about Owen Jones that he isn’t interested in scientific research?“What I find irritating about progressive politics is that it ignores and contradicts science, while at the same time pretending to be in favour of reason. The entire worldview is based on the tabula rasa idea of human nature which is contradicted by science. The blank slate makes the progressive goal of equality of outcomes possible; indeed, if equality is not achieved there can only be nefarious forces at work and ‘more work to be done’.” – from ed west. see also Fancy a job in academia or the media? Best brush up on the new political correctness“[Political correctness is] a faith, and it does not matter how daft the belief systems of a faith appear to a rational mind; if its critics sound backwards and out of touch and rural – literally ‘pagan’ – it will succeed.”

Both liberals and conservatives have anti-science biases, study finds“New research suggests that liberals, as well as conservatives, can be biased against science that doesn’t align with their political views.” — see also Nuclear Power and the Anti-Science Ideology of the “Progressive” Left from helian.

Why science is so hard to believe“Science appeals to our rational brain, but our beliefs are motivated largely by emotion, and the biggest motivation is remaining tight with our peers. ‘We’re all in high school. We’ve never left high school,’ says Marcia McNutt. ‘People still have a need to fit in, and that need to fit in is so strong that local values and local opinions are always trumping science. And they will continue to trump science, especially when there is no clear downside to ignoring science.'”

John Derbyshire On Culturalists vs. Biologians; Or, Where Is The American Harald Eia?

Have Mormons been bred for gullibility? – from agnostic.

Islam Is Not a Religion of the Book“By this, I mean that as a whole humans are prone to accepting the primary causal role of reflective cognition, of beliefs avowed and rationales offered. We are confident in our conscious self control, despite a robust body of cognitive psychology which implies that much of our cognition is not under the control or constraint of rational faculties. This problem is particularly extreme among intellectuals, the very class which also attempts to understand human phenomena. Through the simple process of introspection and extrapolation intellectuals tend to reduce human action to the outcome of ratiocination, inference from eternal axioms. This is wholly inadequate to a phenomenon as complex as religion.” – from razib.

Your DNA is everywhere. Can the police analyze it?“Supreme Court weighing if we must live in sealed bubbles to maintain DNA privacy.”

FDA panel could soon approve 23andMe home genetics test

Linguists link English, Hindi to single ancestor language spoken 6,500 years ago – h/t steve stewart williams!

Old India’s Village of Warriors Becomes Birthplace of Bouncers“Look closely and it becomes clear that the bouncers are all of a single physical type, their chests and biceps built like the front bumper of a sport utility vehicle. If they look like cousins, it is because they are. A startling number of them share a family name, Tanwar, and when the nightclubs close many will return to the same nearby village, a place where women walk down dusty lanes with their faces obscured by a cloth, balancing stacks of dried cow dung on their heads, much as their ancestors did three centuries ago…. The musclemen from the village of Fatehpur Beri are the descendants of the original inhabitants of the city, a genetic line that fortified itself over the course of centuries as they defended their village against waves of invaders on their way to the seat of empire. The sons and grandsons of cow and goat herders, they were born in an outpost surrounded on all sides by croplands. As Fatehpur Beri was swallowed by the expanding city, its spartan strongmen continued to train in the traditional way, stripping down to loincloths and wrestling in a circle of mud. But they were forced to look for a new line of work. ‘There is an element of the warrior in the Tanwars,’ said Ankur Tanwar, who opened the village’s first gym about a decade ago. ‘We fought with the Muslim invaders. We fought with the Britishers.'”

Ancient Egyptians had state-supported health care – at least some of them did.

bonus: Man’s best friend…unless you’re lying: How dogs can sense whether a person is trustworthy – h/t ninja economics! also: When you’re happy and you show it, dogs know it.

bonus bonus: The Cold May Have Cost Penguins Most of Their Taste Buds“Recent genetic analysis shows that penguins can’t taste sweet or bitter, and scientists think sub-zero temps may be to blame.”

bonus bonus bonus: Limpet teeth set new strength record

bonus bonus bonus bonus: Study Finds Jack Shit – h/t jayman!

bonus bonus bonus bonus bonus: Lost Sherlock Holmes story discovered

bonus bonus bonus bonus bonus bonus: a poem. (^_^)

bonus bonus bonus bonus bonus bonus bonus: #TheTitleOfMySexTape (~_^)

(note: comments do not require an email. limpet tooth.)

just a reminder: davide piffer and jeff hsu are looking for the genomes of clever folks. if you have a high iq, and have made use of 23andMe’s services, they’d like to poke around in your data!:

This research is conducted by Davide Piffer (Italy) and Jeff Hsu (USA)

We seek to identify genes that have an effect on general intelligence in humans. For that reason we need raw genome data from high IQ individuals.

The preliminary phase of our project (analyzing genomes from two scientists) has produced brilliant results and for this reason we want to follow up with genomes from more high IQ individuals.

Many people have already taken the 23andMe test, which enables its users to download raw data file. We’re looking for genomes from individuals whose IQ is at least 2.5 SDs above average.

The results of this study will be published on a pre-print, open access server (e.g. biorXiv, PeerJ) and will be available to everybody, in the true spirit of free science and scientific inquiry. Subsequently we may decide to follow up with a submission to a peer-reviewed scientific journal (e.g. PlosOne, Nature, etc.). Names of participants will not be disclosed (unless expressely requested by you or any other potential participant).

Genome files will be anonymous (a random code will be assigned) and will not be published. Please send genome raw data file (.zip) along with IQ score to: pifferdavide@gmail.com

Ancestry information (e.g. nationality and ethnicity) is needed (e.g. White American; Italian; German, etc.) to correctly match genomes to their reference population. If you have any questions, do not hesitate to contact us at the above email address.

Best Regards,

Davide Piffer (Italy)
Jeff Hsu (USA)

previously: crowdsourcing hbd (iq) research!

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!)

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for those of you with an iq 2.5 sds above the mean (ca. 138?), you might want to contribute your genome to this project! (i won’t be. don’t think i meet the cutoff. =( ):

This research is conducted by Davide Piffer (Italy) and Jeff Hsu (USA)

We seek to identify genes that have an effect on general intelligence in humans. For that reason we need raw genome data from high IQ individuals.

The preliminary phase of our project (analyzing genomes from two scientists) has produced brilliant results and for this reason we want to follow up with genomes from more high IQ individuals.

Many people have already taken the 23andMe test, which enables its users to download raw data file. We’re looking for genomes from individuals whose IQ is at least 2.5 SDs above average.

The results of this study will be published on a pre-print, open access server (e.g. biorXiv, PeerJ) and will be available to everybody, in the true spirit of free science and scientific inquiry. Subsequently we may decide to follow up with a submission to a peer-reviewed scientific journal (e.g. PlosOne, Nature, etc.). Names of participants will not be disclosed (unless expressely requested by you or any other potential participant).

Genome files will be anonymous (a random code will be assigned) and will not be published. Please send genome raw data file (.zip) along with IQ score to: pifferdavide@gmail.com

Ancestry information (e.g. nationality and ethnicity) is needed (e.g. White American; Italian; German, etc.) to correctly match genomes to their reference population. If you have any questions, do not hesitate to contact us at the above email address.

Best Regards,

Davide Piffer (Italy)
Jeff Hsu (USA)

cool!

dr. thompson also blogged about this a few weeks ago: Special offer to readers

(^_^)

look! a linkfest! (^_^)

Bayesian analyses of Yemeni mitochondrial genomes suggest multiple migration events with Africa and Western Eurasia

37,000-year-old Russian skeleton has Neanderthal DNA that’s gone missing“Sequences present in its genome haven’t been found in modern human populations.” – see also Remix from greg cochran. – see also Genome of Kostenki-14, an Upper Paleolithic European (Seguin-Orlando, Korneliussen, Sikora, et al. 2014) from dienekes.

Humans Would Beat Neanderthals in Marathon

Different Ways to Color a Cat – from razib. – h/t billare! who tweeted: “Progenitors of modern Europeans were fairly light-skinned–why did a 2nd bout of selection leave its tell-tale marks?”

Admixture in the Americas: Introduction, partial correlations and IQ predictions based on ancestry – from emil kirkegaard.

Our Futile Efforts to Boost Children’s IQ“How can parenting and socioeconomic status play such minor roles in determining IQ, when scholars on all sides of the nature-nurture debate agree that somewhere around half of the variation in IQ is environmental? The short answer is that the environment that affects IQ doesn’t consist of the advantages that most people have in mind — parents who talk a lot to their toddlers, many books in in the house for the older children, high-quality schools and the like. Instead, studies over the past two decades have consistently found that an amorphous thing called the “nonshared” environment accounts for most (in many studies, nearly all) of the environmentally grounded variation. Scholars are still trying to figure out what features of the nonshared environment are important. Peers? Events in the womb? Accidents? We can be sure only of this: The nonshared environment does not lend itself to policy interventions intended to affect education, parenting, income or family structure.” – from charles murray. – h/t mr. mangan, esq!

Results of a “GWAS Plus:” General Cognitive Ability Is Substantially Heritable and Massively Polygenic – h/t emil kirkegaard!

Does neural crest development drive domestication syndrome?“Altered neural crest development could be the reason mammals change in oddly consistent ways during domestication. As first noted by Darwin more than 140 years ago, domestic mammals tend to share certain characteristics—a suite of traits called the domestication syndrome.”

‘Darwin’s Dilemma’ May Be Solved“Scientists following two different lines of evidence have just published research that may help resolve ‘Darwin’s dilemma,’ a mystery that plagued the father of evolution until his death more than a century ago. Biologists and geologists have been puzzled for decades over why life began so early on this planet, and then took so long to get interesting.”

A new study pieces together the puzzle of insect evolution“A new study of insect evolution — the largest of its kind ever undertaken — has uncovered some surprising new information, confirmed some long-held hypotheses and may lead researchers toward a more comprehensive understanding of evolution. One hundred scientists from 10 countries worked together to examine 144 insect species. Their goal was to create an insect ‘family tree’ and establish a timeline of insect evolution. Their results were published recently in the journal Science.” – cool!

More evidence that certain versions of some genes can encourage violence

Facial structure predicts goals, fouls among World Cup soccer players“The scientists studied the facial-width-to-height ratio (FHWR) of about 1,000 players from 32 countries who competed in the 2010 World Cup. The results, published in the journal Adaptive Human Behavior and Physiology, showed that midfielders, who play both offense and defense, and forwards, who lead the offense, with higher FWHRs were more likely to commit fouls. Forwards with higher FWHRs also were more likely to score goals or make assists.”

Mental health: Depression needs large human-genetics studies“To understand the molecular mechanisms of depression, collect genetic data from more than 100,000 people, says Steven Hyman.”

Geneticists tap human knockouts“On average, every person carries mutations that inactivate at least one copy of 200 or so genes and both copies of around 20 genes.”

The Inexorable Progress of Science: Archaeology“With a very limited set of clues, smart guys managed to get key facts about European prehistory roughly correct almost 90 years ago . With tremendously better tools, better methods, vastly more money, more data, etc, archaeologists (most of them) drifted farther and farther from the truth.” – from greg cochran.

How Your Facebook Updates Reveal Your Personality“Extroverts tend to use words like love, tonight, party, excited and amazing. Several length variants of the word soooo and ‘text speak’ terms like lovin and ur, are more often found on extroverts’ updates. In general the extrovert word cloud is sloppy enough to make any ‘Grammar Nazi’ red in the face. When we come to introverts, use of the word computer was one of the biggest giveaways. Posting status updates about Internet, and to a lesser extent anime, doctor who, and books, were also predictive of introversion.” – from neuroskeptic.

The contribution of additive genetic variation to personality variation: heritability of personality“[W]e found that approximately 52% of animal personality variation was attributable to additive genetic variation.”

The genetics of impulsivity: evidence for the heritability of delay discounting – h/t ben southwood! who tweeted: “Impulsivity is 55% heritable at age 18.”

We are not equally empathic – from peter frost.

He’s Definitely a Liberal—Just Check Out His Brain Scan“[W]e’ve had solid indications for a while now that our ideological biases are based, in large part, on the biology of our brains…. Of course, we’d like to think we came to our core beliefs through a process of rational reflection and discussion — or, at the very least, as a psychological reaction to the influence of our parents and peers…. But the profound influence of basic brain biology has just been re-affirmed in a new research paper, which found liberals and conservatives can be easily identified through fMRI scans…. ‘Remarkably,’ writes a team led by P. Read Montague of the Virginia Tech Carilion Research Institute, ‘brain responses to a single disgusting stimulus were sufficient to make accurate predictions about an individual subject’s political ideology.'”

The Most Heritable Gut Bacterium is… Wait, What is That?“By studying 416 pairs of British twins, Julia Goodrich and colleagues from Cornell University have identified the gut microbes whose presence is most strongly affected by our genes.”

Microbiome science threatened by contamination“Non-sterile sequencing returns rogue results in dilute microbe samples.”

Global IQ and health – from dr. james thompson.

Book Review: The Ten Thousand Year Explosion (2009) by Greg Cochran and Henry Harpending – from staffan.

The ecology of religious beliefs“Both comparative and experimental evidence indicate that beliefs in moralizing high gods promote cooperation among humans, a behavioral attribute known to correlate with environmental harshness in nonhuman animals. Here we combine fine-grained bioclimatic data with the latest statistical tools from ecology and the social sciences to evaluate the potential effects of environmental forces, language history, and culture on the global distribution of belief in moralizing high gods (n = 583 societies). After simultaneously accounting for potential nonindependence among societies because of shared ancestry and cultural diffusion, we find that these beliefs are more prevalent among societies that inhabit poorer environments and are more prone to ecological duress.”

Edvard Westermarck on Morality: The Light Before the Darkness Fell and Post-Darwinian, “Evolutional” Theories of Morality in the 19th Century – from helian.

Genes contribute to behavior differences between fierce and friendly rats“Genes active in the brain implicated in differences in rats selected for aggression or tameness”

Intimidating chimpanzee males are more likely to become fathers – ruh roh. – h/t steve stewart williams!

Marriage Records Reveal Patterns of Korean Migration Through the Centuries

What Edward Luttwak Doesn’t Know About Ancient China (Or a Short History of Han-Xiongnu Relations), pt. 1 and What Edward Luttwak Doesn’t Know About Ancient China (Or a Short History of Han-Xiongnu Relations), pt. 2 – from t.greer.

There’s Something About Teutonics – from those who can see.

An extremely low-density human population exterminated New Zealand moa“Here we show that the Polynesian population of New Zealand would not have exceeded 2,000 individuals before extinction of moa populations in the habitable areas of the eastern South Island. During a brief (<150 years) period and at population densities that never exceeded ~0.01 km(-2), Polynesians exterminated viable populations of moa by hunting and removal of habitat. High human population densities are not required in models of megafaunal extinction."

A Gene by Any Other Name“What is the logic in naming human genes?”

bonus: Keeping Mates Close and Competition Out in an Ocean Sponge

bonus bonus: Here’s Why Other People’s Farts Smell Way Worse Than Your Own – we cover *all* aspects of human biodiversity here on the hbd chick blog! (~_^)

(note: comments do not require an email. an ocean sponge.)

The Earliest Group Of Modern Humans To Branch Off Survived Until Just 2,300 Years Ago – h/t mr. robert ford!

Archaeologists unearth remains of oldest Norman ever found which ‘fills gap in our knowledge of pre-Neanderthal evolution’“On a bend of the river Seine near Rouen in Normandy, archaeologists have found the remains of the oldest Norman ever discovered. The three bones from the left arm of a pre-Neanderthal should shed fresh light on a little-known period. In particular, they could help scientists to understand the evolution of the squat, muscular hunters who died out 30,000 to 40,000 years ago, just after the first humans arrived in what is now Europe. The discovery of the bones at Tourville-la-Rivière, 14km south of Rouen, is exceptional because ‘this is a period with very few fossils’, according to Bruno Maureille, a palaeontologist at the National Centre for Scientific Research. He said the arm bones, dating from 200,000 years ago, in the Middle Pleistocene era, were ‘the only known example from northern Europe’.”

The first South Americans: Extreme living“After humans arrived in South America, they quickly spread into some of its most remote corners.”

How ancient DNA is rewriting human history“‘Human history is not one of stasis….’ The genetic record shows that for the past tens of thousands of years, mixed human ancestry is the rule and not the exception.” h/t hbd bibliography!

Treasure trove of ancient genomes helps recalibrate the human evolutionary clock

EmTech: Illumina Says 228,000 Human Genomes Will Be Sequenced This Year

Europe the birthplace of art? Cave art shows Indonesia has a claim“Using this method, the researchers determined that one of the hand stencils they sampled was made at least 39,900 years ago and that a painting of an animal known as a pig deer was at least 35,400 years old. In Europe, the oldest known cave painting was of a red disk found in a cave in El Castillo, Spain, that has a minimum age of 40,800 years. The earliest figurative painting, of a rhinoceros, was found in the Chauvet Cave in France; it goes back 38,827 years.”

Ancient Plague’s DNA Revived From A 1,500-Year-Old Tooth – justinian plague. – h/t debbie kennett!

New Genetic ‘Operating System’ Facilitated Evolution of ‘Bilateral’ Animals

Draft of paper about Amish“[T]he difference in mean AQ [‘amishness’] between young Amish men and their non-Amish neighbors is about 2.8 standard deviations. In the IQ world this would correspond to a group different of 42 points. In the stature world this would correspond to a height difference of about 8 inches.” – from henry harpending. see also Amish v. English from steve sailer.

Does evolutionary theory need a rethink? – no. – see also Evolution Ever Evolves from razib.

Widespread signals of convergent adaptation to high altitude in Asia and America

Evolutionary behavioral genetics“We describe the scientific enterprise at the intersection of evolutionary psychology and behavioral genetics — a field that could be termed Evolutionary Behavioral Genetics — and how modern genetic data is revolutionizing our ability to test questions in this field.”

coolest story! a MUST READ!: Finding Clues in Genes of ‘Exceptional Responders’“One study at Memorial Sloan-Kettering Cancer Center tested a drug called everolimus that is approved for kidney and breast cancer. Researchers asked if it could treat bladder cancer. Forty-five patients received the drug. Two responded. ‘The verdict was, “O.K., I guess everolimus does not work in bladder cancer,” ‘ said Dr. David Solit, the principal investigator. But then there were those two patients — one, in particular. Her cancer had spread to her abdomen. She was expected to live less than a year, and there was no treatment for her. But with everolimus, her tumors disappeared. ‘I was at a clinical meeting, and everyone was saying this drug did not work,’ Dr. Solit said. ‘I said, “It worked for her.” ‘ The investigators found out why. Her cancer had a mutation in a gene that made it dependent on a protein, mTOR, for growth. Everolimus squelches the activity of mTOR. The woman is still taking everolimus, and her cancer has not recurred.”

Are adoption gains on the g factor? A meta-analysis“g loadings and adoption gains yield a correlation of −1.” – from te nijenhuis, jongeneel-grimen, and armstrong. – h/t erwin schmidt!

The high heritability of educational achievement reflects many genetically influenced traits, not just intelligence“Genetic research has shown that intelligence makes a major contribution to the heritability of educational achievement. However, we show that other broad domains of behavior such as personality and psychopathology also account for genetic influence on GCSE scores beyond that predicted by intelligence. Together with intelligence, these domains account for 75% of the heritability of GCSE scores. These results underline the importance of genetics in educational achievement and its correlates.” – (because there’s more to hbd than just iq!)

Psychology in the 21st Century“Highly recommended: slides from a recent talk [‘The Genetic Architectures of Psychological Traits’] by James Lee.”

Replicability and Robustness of Genome-Wide-Association Studies for Behavioral Traits“Our results show that large and therefore well-powered genome-wide-association studies can identify replicable genetic associations with behavioral traits.”

Intelligence Is Critical to the Future of Humankind“A conversation with Douglas Detterman, editor of the journal Intelligence” – h/t holtz!

Crime, income, educational attainment and employment among immigrant groups in Norway and Finland – new paper from emil kirkegaard.

Is there no population genetic ‘support’ for a racial hereditarian hypothesis? – h/t jayman! who tweeted: “Racial admixture studies across the Americas all find relationship between ancestry & educational attain. as expected.”

Heavier babies do better in school“A study of children in Florida found that those who were heavier at birth scored higher on math and reading tests in the third to eighth grades.”

Practice Does Not Make Perfect“We are not all created equal where our genes and abilities are concerned.”

another MUST READ, this one from steve sailer: The Bell Curve 20 years later: A New Caste Society. – see also: ‘The Bell Curve’ Turns 20 from robert verbruggen.

Race, Income, and Test Scores – also from robert verbruggen.

The role of lactase persistence in precolonial development“It is shown through a number of specifications that country-level variation in the frequency of lactase persistence is positively and significantly related to population density in 1,500 CE; specifically, a one standard deviation increase in the frequency of lactase persistent individuals (roughly 24 percentage points) is associated with roughly a 40 % increase in precolonial population density.”

Common variants and the biological and genomic architecture of human height“The latest from the GIANT collaboration. They are also estimating ~ 10k causal variants in total, with 697 now identified at genome-wide significance…. With ~1k variants to work with, we can expect progress on the question of whether the ~1 SD group difference in height between north and south europeans is due to selection. Uniformly higher SNP frequencies in the north for variants that slightly increase height would be strong evidence of selection.” – original research paper: Defining the role of common variation in the genomic and biological architecture of adult human height

Big Chickens“More evidence that common genetic variants can produce many standard deviations of change in average phenotype.”

The Giant Mutations in the Human Genome“It turns out that there is a class of giant DNA mutations that share features of developmental disorders: They are surprisingly common, frustratingly diverse, and hard to categorize. Researchers are now discovering that these mutations play a big role in developmental delay disorders. The baffling symptoms are a consequence of the underlying genetic turmoil…. These large mutations are called ‘copy number variants’ or CNVs, and they add or subtract copies of genes.”

Genetic and nonshared environmental factors predict handgun ownership in early adulthood“Analyses revealed a stronger concordance for gun ownership among identical twins as compared to fraternal twins and univariate ACE model results indicated genetic (57%) and nonshared environmental (43%) factors explained the variance in handgun ownership.” – h/t amir sarislan!

Different tastes for different individuals – h/t jayman! who tweeted: “Genetic evidence of recent evolutionary differentiation in taste response across the world.”

From Kale To Pale Ale, A Love Of Bitter May Be In Your Genes

Here’s why you’re bouncing off the walls: the genetics of coffee consumption“Coffee consumption has now been linked to eight genetic variants.”

Do Political Attitudes and Religiosity Share a Genetic Path? – h/t avi tuschman!

Unpacking “evil”: Claiming the core of the Dark Triad

The slow and fast life histories of early birds and night owls: Their future- or present-orientation accounts for their sexually monogamous or promiscuous tendencies – uh oh. i’m a night owl!

Later school start time ‘may boost GCSE results’“Thousands of teenagers are to get an extra hour in bed in a trial to see whether later school start times can boost GCSE results. University of Oxford researchers say teenagers start functioning properly two hours later than older adults…. Prof Russell Foster, director of sleep and circadian neuroscience at Oxford University, said that getting a teenager to start their day at 07:00 is like an adult starting theirs at 05:00.”

How Iceland’s Genealogy Obsession Leads to Scientific Breakthroughs

Infidelity and kin selection: Does cheating seem as bad when it’s “all in the family”?“[C]ontrary to predictions generated by kin selection theory, participants tended to report that they would feel worse if their partners had sex with their relatives. We propose several explanations for the current findings and discuss their implications for kin selection theory.” – h/t neuroskeptic!

Anthropologists find that even among egalitarian forager-farmers, social status can impact health and happiness

Africa is on time“Using survey data on African income distributions and national accounts GDP, we estimate income distributions, poverty rates, and inequality indices for African countries for the period 1990–2011. We show that: (1) African poverty is falling rapidly…. All classes of countries, including those with disadvantageous geography and history, experience reductions in poverty. In particular, poverty fell for both landlocked as well as coastal countries; for mineral-rich as well as mineral-poor countries; for countries with favorable or with unfavorable agriculture; for countries regardless of colonial origin; and for countries with below- or above-median slave exports per capita during the African slave trade.” – h/t mugwump!

Ethnic Divisions and Production in Firms“A body of literature suggests that ethnic heterogeneity limits economic growth. This paper provides microeconometric evidence on the direct effect of ethnic divisions on productivity. In team production at a plant in Kenya, an upstream worker supplies and distributes flowers to two downstream workers who assemble them into bunches. The plant uses an essentially random rotation process to assign workers to positions, leading to three types of teams: (a) ethnically homogeneous teams, and teams in which (b) one or (c) both downstream workers belong to a tribe in rivalry with the upstream worker’s tribe. I find strong evidence that upstream workers undersupply non-coethnic downstream workers (vertical discrimination) and shift flowers from non-coethnic to coethnic downstream workers (horizontal discrimination), at the cost of lower own pay and total output.” – spite! it’s so funny. – h/t ben southwood!

Statistics in educational research – on statistical significance and p-values from andrew sabisky.

Social Network Analysis Shows Direct Evidence for Social Transmission of Tool Use in Wild Chimpanzees – h/t razib!

Reparations for Slavery? – from those who can see.

Researchers Have Identified The Origin Of The HIV/AIDS Pandemic

The Human Genome Is In Stalemate in the War Against Itself

Winter is coming: do you really need a flu jab? – from tom chivers who tweeted: “On the flu jab, and the evidence, and lack of evidence, thereof.”

(Re)Becoming Human“As the sun set over Lake Eyasi in Tanzania, nearly thirty minutes had passed since I had inserted a turkey baster into my bum and injected the feces of a Hadza man – a member of one of the last remaining hunter-gatherers tribes in the world – into the nether regions of my distal colon. I struggled to keep my legs in the air with my toes pointing towards what I thought was the faint outline of the Southern Cross rising in the evening sky. With my hands under my hips – and butt perched against a large rock for support – I peddled an imaginary upside down bicycle in the air to pass the time as I struggled to make sure my new gut ecosystem stayed put inside me. With my butt cheeks flexed and my, you know what puckered, I wondered if I had just made a terrible mistake….”

Strange Seeds on Distant Shores – a look at albion’s seed and american nations, etc., etc. – h/t jayman!

Remains of Alexander the Great’s Father Confirmed Found

Diversity: A Nature & Scientific American special issue – *facepalm*

Philosophy is a Bunch of Empty Ideas: Interview with Peter Unger – (^_^)

bonus: New particle is both matter and antimatter – phreaky physics!

bonus bonus: Physicist turns smartphones into pocket cosmic ray detectors – really cool physics!

bonus bonus bonus: A Kindle loaded with e-books is heavier than an empty one – so there!

bonus bonus bonus bonus: The Questioning of John Rykener, A Male Cross-Dressing Prostitute, 1395 (in london) – shocking!

bonus bonus bonus bonus bonus: Around the world in 400,000 years: Journey of the red fox“[T]his new research shows that the red foxes of North America and Eurasia have been almost entirely reproductively isolated from one another for roughly 400,000 years. During this time, the North American red fox evolved into a new species distinct from its Old World ancestors…. The new genetic research further suggests that the first red foxes originated in the Middle East before beginning their journey of colonization across Eurasia to Siberia, across the Bering Strait and into North America, where they eventually founded the North American population.”

bonus bonus bonus bonus bonus bonus: Cosmic Karma: Mosquitoes Have Flying, Blood-Sucking Parasite of Their Own

bonus bonus bonus bonus bonus bonus bonus: Kangaroos have three vaginas!

(note: comments do not require an email. and just to make your head asplode…. (^_^) )

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