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Nature vs. Nurture

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The Wall Street Journal has published a sequel to their infamous wave-generating article "Why Chinese Mothers Are Superior" written by Amy Chua based on her book Battle Hyms of the Tiger Mother. Only this time, the we're on the opposite end of Eurasia. Like its predecessor, this article, "Why French Parents Are Superior" has generated... Read More
Continuing my on-going series on the regional differences – genetic regional differences – between the different Euro-Americans in the United States and Canada, here I will present a series of maps demonstrating some of the evidence for the existence and significance of these differences, beyond the historical circumstances explored by David Hackett Fischer (DHF) in... Read More
In my Twitter feed I encountered this 2007 article that notes that the conventional wisdom about exercise and weight loss–that exercise leads you to lose weight and keep it off–is wrong: For most of us, fear of flab is the reason we exercise, the motivation that drives us to the gym. It’s also why public-health... Read More
Comedian/documentarian Tom Naughton recently made a highly intriguing post about the "Spanish Paradox"; that is, the low rate of cardiovascular illness among Spaniards despite their apparently poor markers of heart health. This post was made on the discussion site of Naughton's 2009 documentary Fat Head. This movie (which I have yet to see, but plan... Read More
China’s 'Little Emperors' more neurotic, risk averse SYDNEY: China’s one-child policy has created a generation that is more pessimistic, neurotic and risk averse – while being less trusting, trustworthy, competitive and conscientious. That's according to a new study published in U.S. journal Science, addressing concerns about a so-called ‘Little Emperor’ syndrome - thought to stem... Read More
Now that the blogosphere has discovered my finding that conservatives are outbreeding liberals by a rather large margin, many have taken it as a reason to rejoice. The genes for "pathological altruism" (which are a feature of the special evolutionary path that Northwestern Europeans have undertaken, which seems to result in such traits), which gives... Read More
EDIT, 5/30/15: [Post updated with results of new meta-analyses of behavioral genetic studies. See below!] Edit, 1/3/13: [Post updated to reflect additional information provided in the comments. See below and see the comments.] The time has come for a little reminder of the First Law of behavioral genetics. In my final post of 2012, I... Read More
There has been a lot of discussion in the blogosphere as of late as to whether the "cads"—i.e., low paternal investment, promiscuous (and often low-IQ) men were siring more children than "dads"—high paternal investment, monogamous, high-IQ men. While I and others have produced some evidence (primarily from the GSS) that tenuously indicates that this is... Read More
Michael Moore recently held a Q & A session on Twitter in response to CurrentTV's showings of his 2002 documentary, Bowling for Columbine, which was about mass shootings and gun violence in America. This movie contained the infamous scene where Moore ambushed then NRA president Charlton Heston about the issue of violent crime in America... Read More
(Courtesy Geoffery Miller) This is the perceived level of corruption, by nation, across the globe. The darker the country, the more corrupt it is perceived to be by its inhabitants. One cannot escape how the Northwestern European countries and countries founded by them stand out on this map. This was compiled by Transparency International, see... Read More
Last month, neuroscientist Dario Maestripieri committed a faux pas after visiting a conference of his fellow neuroscientists. On his Facebook page, he left the following statement about his female colleagues: An uproar over this ensued. Despite the furor, Meastripieri's comment actually sounds like a fairly sound empirical observation. Nonetheless, his comments have not sit well... Read More
Last night the right man was re-elected President. There is no question who should have been elected. Many conservatives in the HBD world supported Mitt Romney; but, really, there were no good reasons to do so, as many of these same conservatives pointed out: --- Today I want to write about the ridiculous Republican assertion... Read More
Post edited (5/31/13) See below. As promised, here is my post on this fascinating, and rather mysterious topic. Who doesn't love bisexual women? Before my foray into the HBD world, I thought that that was a trick question. In any case, I'm certainly quite fond of them. :) But bisexuality, or for that matter lesbianism—like... Read More
(CNN) -- Boys in the United States are starting puberty earlier than ever, according to a new study publishing in the November issue of the journal Pediatrics. In the study, lead author Marcia Herman-Giddens from the University of North Carolina's School of Public Health and her colleagues show that boys are starting to sexually develop... Read More
This is recent discussion on a Facebook post to which I replied, which demonstrates some of what we're up against when talking about biological differences between people: [Lady #1]: If you ever want to really depress yourself, look up the male vs. female student ratios of any graduate department of history. (Or, you know, mostly... Read More
Post edited (9/28/2012), see below! A new study was released, discussed by Ilana Yurkiewicz at her Scientific American blog, that seems to conclusively prove that gender bias in the sciences does exist. The article describes the challenges involved in studying this and how these challenges were overcome: It’s tough to prove gender bias. In a... Read More
The Pioneer Hypothesis posits that, particularly for Europeans and East Asians, colonization of new territory selects for earlier and more rapid breeding. As well, it should select for behavioral traits that promote faster breeding. In the United States at least, this has meant greater religiosity and political conservatism, giving us well known maps like these:... Read More
Steven Pinker, a great academic, and whose 2002 book The Blank Slate: The Modern Denial of Human Nature introduced me to hereditarian explanations for human behavior (and which is required reading for anyone with no familiarity with the role that genes play in human behavior) has recently sent a note to Ron Unz attacking his... Read More
Courtesy Razib Khan's Pinboard Feed: ScienceDaily (July 15, 2012) — Your genes determine much about you, but environment can have a strong influence on your genes even before birth, with consequences that can last a lifetime. In a study published online in Genome Research, researchers have for the first time shown that the environment experienced... Read More
Post updated, 11/17/13 4/14/13 1/19/13, see below! It is already known that educational attainment and income are highly heritable. However, finding specific genes linked to cognitive and behavioral traits has been difficult. This is primarily because most traits arise not from a few genes with large effects, but from many genes with small effects (and... Read More
Updated: 8/30/12. See below. First and foremost welcome to my new blog site! From now on all my posts will on WordPress, http://jaymans.wordpress.com. All of the posts from my old blog can be found here on the new site, however the old blog will remain active so readers can find my previously linked articles. Please... Read More
Edit, 10/26/12: I've added a table of contents, to make navigating through this long post easier! Unlike the vast majority of HBD'ers, I lean to the political Left on a variety of issues. The primary reason for this is that most of the stuff that comes out of mainstream conservatives in America is utter insanity.... Read More
By BENJAMIN RADFORD, Discovery News Jan. 22, 2012 A study followed nearly 20,000 students from kindergarten through the eighth grade in 1,000 public and private schools. The researchers examined the children's weight and found that in the eighth grade, 35.5 percent of kids in schools with junk food were overweight while 34.8 percent of those... Read More
I had promised a couple of posts to bring those not necessarily familiar with HBD (i.e., Human BioDiversity) up to speed, but as I've not been getting around to those transitional posts, I've decided to skip that step and go on ahead. So here is my first semi-original contribution to the world of HBD. I'm... Read More
New blog post #2! Recently a doctor at Harvard University, David Ludwig, claimed that some parents—those of children who are morbidly obese—should lose custody of those children, for the child’s own good. This is reported in this news article from ABC News here. Here are some quotes from the article: Of course, if you read... Read More
EDIT: Post updated, 3/17/14. See below! Welcome to my blog! New Blog post #1! So I moved over from Blogger.com because it didn’t allow people to comment without signing in. Why would I want to restrict people that way? So this post is mostly copied from that site with a few changes. This will be... Read More
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