As a follow-up to my prior guide on how to use Sci-hub to download academic papers for free, here’s a simple guide to use Library Gensis aka. Libgen. Library Genesis is another guerilla open access project, also run by people from the Russia-sphere. It’s relatively easy to use. 1. Go to the Libgen website There’s […]

I regularly tell people on Twitter to use Sci-hub when they say they can’t access papers: Yes you can, use Sci hub like normal people do. — Emil O W Kirkegaard (@KirkegaardEmil) April 10, 2018 However, it seems that people don’t really know how to use Sci-hub. So here is a simple, visual guide. 1. […]

Miron Zuckerman is updating his meta-analysis of the religion and intelligence relationship, and asked me to compute some extra analyses of the OKCupid dataset. Results: Main findings Cognitive ability is independent cause of the usual demographics. Distribution of cognitive ability by religious stance x seriousness. Error bars = 95% confidence intervals. Gays more religious […]

Antonio Regalado is providing us with a recent series of the arguably best informed (compared to Guardian, Nature news etc.) popular science articles on genomics and its relevance to modern eugenics (embryo selection or genetic engineering) as well as the group differences causation question. As background for some of these, I had […]

It has been noted that East Asians are positive outliers for the latitude ~ IQ pattern, they’re too far south for their high IQs. Some possible reasons for this are: The peoples evolved further north and migrated south in recent times, and their intelligence level is related to their recent origin, not current location, just […]

This text used to be hosted at Shalizi‘s university website, but it was recently taken down for unknown reasons. However, Internet Archive saves us, and I repost it here because it’s interesting and so it doesn’t get lost. This text has circulated quite a number of times on Usenet, and so far as I know […]

Most environmentalists have by now given up denying the existence of racial gaps in head size, but they only retreated a few yards: Nisbett, R. E., Aronson, J., Blair, C., Dickens, W., Flynn, J., Halpern, D. F., & Turkheimer, E. (2012). Intelligence: new findings and theoretical developments. American psychologist, 67(2), 130. Brain size and IQ. […]

There’s an interesting slide in Rindermann’s survey: Rindermann, H. (2013). 2013 survey of expert opinion on intelligence. International Society for Intelligence Research, ISIR 2013 List of surveys here James Thompson’s previous coverage I’ve edited it to be in a single image (from 3). Do we have an estimate of relative media left-wingness for these? Some […]

There’s an interesting study making the rounds on Twitter: Great new study: In 2002, 1200 Nepalese pregnant women were randomly assigned to receive micronutrient supplements or not. Experimental children had heavier birthweights. Now, at age 12, there was no difference in Intelligence. @Shine_Daizy @marcelleprost — John Protzko (@JProtzko) March 8, 2018 Dulal, S., […]

Someone sent me some questions on this study: Fagan, J. F., & Holland, C. R. (2007). Racial equality in intelligence: Predictions from a theory of intelligence as processing. Intelligence, 35(4), 319-334. African-Americans and Whites were asked to solve problems typical of those administered on standard tests of intelligence. Half of the problems were solvable on […]