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Evolutionary analysis of 69 primate species shows:
There is a global problem solving ability in primates
Tool use is the best proxy of 5 examined behaviors
Species with larger brains tend to be better problem solvers

Using macroevolutionary patterns to distinguish primary from secondary cognitive modules in primate cross-species performance data on five cognitive ability measures
https://doi.org/10.1016/j.intell.2022.101645

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#brain #primate #behavior #intelligence
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Everybody's Lying About the Link Between Gun Ownership and Homicide

https://hwfo.substack.com/p/everybodys-lying-about-the-link-between?utm_source=substack&utm_campaign=post_embed&utm_medium=web&s=r

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#GunControl #homicide #crime
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Manufacturing white criminals: Depictions of criminality and violence on Law & Order

"whites are disproportionately portrayed as criminals 5-8 times more often on police dramas compared to actual crime statistics for the city of New York"

https://www.tandfonline.com/doi/full/10.1080/23311886.2015.1104977

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#white #crime #race
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"We show that the overall sex difference in the pattern of adolescents' achievement and academic attitudes is relatively large and similar across countries... We found that the sex of students in any country can be reliably predicted."

Sex-specific academic ability and attitude patterns in students across developed countries
https://www.sciencedirect.com/science/article/abs/pii/S0160289620300313

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#education #SexDifferences
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Racial diversity of Americans friendship networks diversified at snails pace over the past decade:

American Bubbles: Politics, Race, and Religion in Americans’ Core Friendship Networks
https://prri.org/research/american-bubbles-politics-race-and-religion-in-americans-core-friendship-networks/

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#diversity #USA #race
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New GWAS-based study applied polygenic scores for heritable traits such as intelligence to ancient European populations: "Our results revealed that after the Neolithic, European populations experienced an increase in... intelligence scores."

Evolutionary Trajectories of Complex Traits in European Populations of Modern Humans
https://www.frontiersin.org/articles/10.3389/fgene.2022.833190/full

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#intelligence #genetics #europe
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Report Reveals Sharp Rise in Transgender Young People in the U.S.
https://archive.ph/ZR6y9

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#trans #LGBT
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🤔4🤮2
Does discrimination cause poor mental health in sexual minorities?
https://easthunter.substack.com/p/does-discrimination-cause-poor-mental?s=w

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#LGBT #MentalHealth #discrimination
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"Of the some 1.6-1.8 million asylum seekers who arrived during the two-year crisis, only 460,00 are employed"

German Federal Employment Agency on the 2015-16 migrants.
https://europeanconservative.com/articles/news/900000-migrants-social-welfare/

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#immigration #refugees #germany
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Germany: Nearly 900,000 Migrants From 2015/16 Still Live on Social Welfare
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The Genomics of Human Local Adaptation

"In recent years, new methods to identify the genomic signatures of natural selection underlying these adaptations, combined with novel types of genetic data (eg, ancient DNA), have provided unprecedented insights into the origin of adaptive alleles and the modes of adaptation."
https://www.cell.com/trends/genetics/fulltext/S0168-9525(20)30070-6?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0168952520300706%3Fshowall%3Dtrue

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#race #genetics
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A study that investigated whether two early nutritional interventions might influence long-term outcomes like intelligence in a sub-Saharan African population found that they "did not have a large effect on development outcomes."


Effect of antenatal and infant micronutrient supplementation on middle childhood and early adolescent development outcomes in Tanzania
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6679819/#!po=14.4737

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#nutrition #africa #intelligence
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Can You Ever Be Too Smart for Your Own Good? Comparing Linear and Nonlinear Effects of Cognitive Ability on Life Outcomes

"We found no support for any downside to higher [IQ] and no evidence for a threshold beyond which greater scores cease to be beneficial. Thus, greater cognitive ability is generally advantageous—and virtually never detrimental."
https://journals.sagepub.com/doi/10.1177/1745691620964122

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#intelligence
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The Left Is Making the Wrong Case on Gun Deaths. Here’s a Better Case
https://hwfo.substack.com/p/the-left-is-making-the-wrong-case?utm_source=substack&utm_campaign=post_embed&utm_medium=web&s=r

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#guns
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