linkfest – 06/02/13

Genetic Variants Linked to Educational Attainment“A multi-national team of researchers has identified genetic markers that predict educational attainment by pooling data from more than 125,000 individuals in the United States, Australia, and 13 western European countries…. Combining the two million examined SNPs, the SSGAC researchers were able to explain about 2 percent of the variation in educational attainment across individuals, and anticipate that this figure will rise as larger samples become available.” – h/t friendly e-mailer! (^_^) – see also steve hsu on this: First GWAS hits for cognitive ability (thanks, grey!). in particular, check out steve’s graph. and john derbyshire for more on looking for iq-related genes via gwas studies. see also dr. james thompson: Educational attainment, intelligence, and the relentless cracking of the genetic code.

Deforestation Plants the Seed for Rapid Evolution in Brazil“The deforestation of the Brazilian rain forest has created a hidden consequence: The seeds of palm trees have evolved rapidly to be smaller.”

Gene switches make prairie voles fall in love“Researchers have shown for the first time that the act of mating induces permanent chemical modifications in the chromosomes, affecting the expression of genes that regulate sexual and monogamous behaviour.” – epigenetic effects!

Definitions of “Race” and Language and Race — a couple of great posts @habitable worlds!

Genetic structure and different population strata in Italy“‘Our results show that the Y-chromosomal genetic diversity of Italy is not clinal but structured in three geographical areas: North-Western Italy (NWI), South-Eastern Italy (SEI) and Sardinia (SAR). …suggesting a shared genetic background between Southern Italy and the Adriatic coast from one side, and between Northern Italy and Tuscany from the other side.'” – from dienekes!

Just For Show?“Of all humans, male and female, European women have the whitest skin and the most diverse range of hair and eye colors. Are European physical characteristics really female characteristics?” – from peter frost!

Apes Regret Bad Decisions, Throw Tantrums“When apes make a bad decision or took a gamble that doesn’t pay off, they bang on tables and perform other kinds of tantrum-like behaviors, often exhibiting regret by attempting to undo what they had done.”

How Birds and Babies Learn to Talk

GSS on Haidt’s Moral Foundations theory“The GSS results largely support Haidt’s divisions, with liberals putting greater emphasis on liberty/oppression and especially care/harm, just as he found to be the case. Conservatives, on the other hand, are more concerned with fairness/cheating, authority/subversion, sanctity/degradation, and loyalty/subversion than liberals are.” – from the awesome epigone!

Homosexuality is natural. Fine. But what if homophobia is natural, too?

The Ugly Truth About Obesity“So yes, the obese group is not unlike its negative stereotypes. Of the, ‘lazy’, ‘sloppy’, ‘less competent’, ‘lacking in self-discipline’, ‘disagreeable’, ‘less conscientious’, ‘poor role models’, ‘unintelligent’, ‘unsuccessful’, ‘weak-willed’, ‘unpleasant’, ‘overindulgent’, it seems ‘disagreeable’ and ‘unpleasant’ are the only clear misses. This is not to hate on the obese, but to call a spade a spade.” – from staffan!

The big fat truth“More and more studies show that being overweight does not always shorten life — but some public-health researchers would rather not talk about them.”

“Were the Victorians cleverer than us?” – from steve sailer!

The Argument Ron Should Have Made – italian iq stuff from chuck the occidentalist! — h/t hbd bibliography!

What Science Says About Arousal During Rape

Breeding the Nutrition Out of Our Food“Studies published within the past 15 years show that much of our produce is relatively low in phytonutrients, which are the compounds with the potential to reduce the risk of four of our modern scourges: cancer, cardiovascular disease, diabetes and dementia. The loss of these beneficial nutrients did not begin 50 or 100 years ago, as many assume. Unwittingly, we have been stripping phytonutrients from our diet since we stopped foraging for wild plants some 10,000 years ago and became farmers.”

More Heroes of the Dark Enlightenment – eat your radishes! they’re good for you! (^_^)

bonus: Yes, the BBC needs more diversity – of opinion, that is – from ed west!

bonus bonus: immigration i, immigration ii, and immigration iii — from the assistant village idiot!

bonus bonus bonus: Raised from the depths, the face of the Mary Rose

bonus bonus bonus bonus: China Builds EU Beachhead With $5 Billion City in Belarus

bonus bonus bonus bonus bonus: Zoologger: The sea cow with super-sensing hairs – i’ve snorkeled with the manatees! (^_^)

(note: comments do not require an email. hover-crafts manatees! (^_^) )

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linkfest – 03/11/12

Why the British are free-thinking and the Chinese love conformity: It’s all in the genes claim scientists“The study, by the department of psychology at Northwestern University in Illinois, suggests that the individualism seen in western nations, and the higher levels of collectivism and family loyalty found in Asian cultures, are caused by differences in the prevalence of particular genes. ‘We demonstrate for the first time a robust association between cultural values of individualism–collectivism and the serotonin transporter gene,’ said Joan Chiao, from the department of psychology at Northwestern University.” — i know. it’s the daily mail. but it looks like the research will be coming out in the proceedings of the royal society: “Culture-gene coevolution of individualism-collectivism and the serotonin transporter gene (5-HTTLPR)” [in press]. see comments.

Insects have personality too, research on honey bees indicates“A new study in Science suggests that thrill-seeking is not limited to humans and other vertebrates. Some honey bees, too, are more likely than others to seek adventure. The brains of these novelty-seeking bees exhibit distinct patterns of gene activity in molecular pathways known to be associated with thrill-seeking in humans….”

Heart disease drug ‘combats racism’“Volunteers given the beta-blocker, used to treat chest pains and lower heart rates, scored lower on a standard psychological test of ‘implicit’ racist attitudes.” – explain to me again about free will?

Strong Family Ties Reduce Trust Of Non-Family — from parapundit. here’s the original research article: Do Strong Family Ties Inhibit Trust? [pdf]

Sexual selection and small female feet – from the inductivist.

Puzzle of European hair and eye color“Hair and eye color diversity is unusual in two ways. It’s confined to Europeans. And it seems to be linked to prenatal feminization.” – why? from peter frost.

Get Smart – from greg cochran @west hunter.

Rebuttal to Richard Lynn’s Reply — new iq study from italy suggests southern iqs are not lower than northern ones. (i’m a bit worried about the “group sessions” though — hope there was no answer sharing going on!). — @italianthro blog.

New study shows that in US ‘hot spots,’ HIV infection among African-American women is 5-times higher than national estimate“Women constitute roughly one-quarter of new HIV infections in the U.S. with 66% of these infections occurring among black women, despite the fact that black women constitute only 14% of the U.S. female population.”

bonus: Brown bear exfoliates using rock as a tool – tool using bears. we’re in trouble!

bonus bonus: Oldest organism with skeleton discovered in Australia

(note: comments do not require an email. on academia. (~_^) )

linkfest – 02/06/11

He’s Just Not That Into Anyone“How Porn Is Affecting the Libido of the American male” (“sexual attention deficit disorder”)

Whites who don’t feel close to blacks are not more likely to vote Republican from inductivist.

Spring-Loaded Heels Gave Extra Step to Early Humans

Physiological impacts of homophobia“Individuals who experienced more LGB-related stress – arguments about sexual identity, bullying or discrimination – had higher internalized homophobia and showed increased production of the stress hormone cortisol compared to peers in more positive environments.”

Men are the real romantics – @vox popoli – “Men (31%) are a bit more likely than women (26%) to say that every person has only one true love.” see also Men Are Now From Venus, Women From Mars.

Vegetarian “Men” – from onestdv – “[V]egetarian men are seen as wimps and less macho than those who like tucking into a steak – even by women who do not eat meat themselves, research shows.”

Biology teachers often dismiss evolution – *facepalm*

Wild Chimps Outwit Hunters“Chimps in Bossou, Guinea, have learned to deactivate traps that can cause injury or even death.” see also No Mental Chumps: Chimps Decipher What Others Are Thinking

Polygamous Mice Are Better Breeders“After only 12 generations, mice brought up in a polygamous mating group developed stronger and faster sperm and had better mating success than their monogamous counterparts.”

Gene protects U.S. blacks from heart disease: study

“you should be dancin’ yeah!”

now, i know the white boyz generally don’t like dancing, but if you should decide to bust some moves to impress the ladies, some advice: vary your moves and jiggle your right leg a lot. that’s what works according to the guys in the lab coats:

“The results, published in Biology Letters, were intriguing: the most attractive movements were those that had ‘variability and amplitude’ in the head, neck and trunk.

“Dr Neave explains that humans move in three planes. You can nod your head backwards and forwards, side to side or twist your neck to look over a shoulder. The women rated big movements in these three planes for both the head and the trunk as the most attractive. However, there was an additional factor, says Dr Neave. Headbanging (sorry, Motörhead fans) was simply not attractive: although it would show a large amplitude of movement in one plane it would not show the variability of movement that seems to appeal to women. Choreographers have told Dr Neave that movements in these three planes comes from strength and suppleness, so they would help to indicate a genetically fit male.

“One curiosity was that, statistically, the speed of movement of the right knee also appeared to be important in signalling dance quality. Dr Neave, however, believes this may simply result from 80% of men being right footed, and so tending to place more weight on their left foot in order to demonstrate leg-waggling prowess with the right one….”

or, just move like this (yowza!):