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Social media is not reality: -While only 3 % of active accounts are toxic, they produce 33% of all content! -A mere 0.1 % of users share 80% of fake news -74 % of all online conflicts are started in just 1 % of communities. sciencedirect.com/science/articl…

I've written two articles on this topic. I think I have a via negativa answer—one based on what does not cause the effect. Firstly, the birth order effect shows up from the first surviving child. If a previous sibling died young, the "social firstborn" has the advantage

A regrettable dynamic: Smart people fed up with wokeism, ricochet to Trumpism, apparently amnesic for, or too unimaginative to think through, the alternative to both, namely liberal, pro-science, Enlightenment humanism. Eric Kaufmann (next post) explains the false dichotomy.

Interesting genetic study of infertility in large biobanks "Genome-wide analyses identify 25 infertility loci and relationships with reproductive traits across the allele frequency spectrum" nature.com/articles/s4158…

Out today in E&HB--- after nearly 40 YEARS--- "The evolution of war and its cognitive foundations" from Tooby + Cosmides Interested in the history + slow progress of science? 🚨Don't skip the Author's Note🚨 Link 👇

If we take regional averages, genes associated with education predict height better than genes associated with height. Why? On a regional level, education-associated genes pick up environmental differences between richer and poorer neighborhoods 🧬💰 From nature.com/articles/s4156…

Honestly, I think our new paper has serious implications for experimental econ 22–27% failed comprehension in the Dictator and Ultimatum games In the Trust Game and Public Goods Game, that number hit 70% and 52% These are foundational tools of exp econ doi.org/10.1016/j.jebo… 🧵

The gender-equality paradox in crying: "Gender differences in crying proneness were larger in wealthier, more democratic, and feminine countries" journals.sagepub.com/doi/full/10.11…

The stereotype threat effect, once one of social psychology's pet theories, gets hammered in another large-scale replication failure. Stereotype threat refers to the fear of being judged based on negative stereotypes about the performance of a certain group one identifies

Today accepted Nature Communications Biology:😃😃😃😃😃😃 x.com/Kirsten_Hilger… biorxiv.org/content/10.110…

Are #smartphones and #socialmedia harming a generation? This is a hotly debated and often polarizing debate. So we surveyed over 120 experts on the topic to see where there was genuine consensus (or not), like experts have previous done for climate change. 92–97% of experts

Finally got around to incorporating all Github feedback on my open access textbook, making around 20 minor improvements, and updating some references. 17 chapters of state of the art stats and methods education, freely available for any course you teach. lakens.github.io/statistical_in…

🚨 New study reveals that when used to summarize scientific research, generative AI is nearly five times LESS accurate than humans. Many haven't realized, but Gen AI's accuracy problem is worse than initially thought.

The ReGPC presents comprehensive GWAS of the Big Five personality in N=611K-1.14M and within-family GWAS in N=51K. In contrast to many other social/behav traits, pop GWAS of personality almost entirely reflect direct genetic effects. doi.org/10.1101/2025.0…

Among the most interesting (and encouraging) analyses of climate I've seen in years: Quico Toro on How to Save the Climate open.substack.com/pub/yaschamoun…

A new study from Norway has a lot to say about the Flynn effect, which is the gradual increase in IQ that has occurred over time. Norway has some of the best data for investigating the Flynn effect. The country tested nearly every young adult male with an intelligence test from

zeitung.faz.net/faz/geisteswis…

Everyone needs to remember this...

Examining the sensitivity for environmental influences by conducting a GWAS on differences between identical twins - very clever design! Out now in Nature Human Behaviour: nature.com/articles/s4156…

The Intelligence & Cognitive Abilities published an interesting article about the public speeches of Sir Godfrey Thomson, a psychologist who had a major influence on British education and intelligence testing in the early 20th century. The article uses newly available archival material to give insight