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Rob Sica

@robsica.bsky.social
974 followers 3.5K following 6.3K posts

Knowledge would have little allure if we did not have to overcome so much shame on the way to acquiring it. -Nietzsche

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Rob Sica @robsica.bsky.social · 3h
"the central demographic question is no longer only why people have fewer children within unions, but why too few durable unions form early enough to sustain replacement fertility in the first place"
sciencedirect.com
The female choice fertility paradox: a mating equilibrium shift in contracepted high-choice environments
Fertility has fallen below replacement across many contemporary societies while intentions to have children remain widespread. Economic and cultural e…
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Rob Sica @robsica.bsky.social · 3h
✨️
youtube.com
Hanson podcast FINAL with intro
YouTube video by Robert Kurzban
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Rob Sica @robsica.bsky.social · 7h
"Our guiding principle is simple: we seek the best available evidence, regardless of theoretical allegiance, although evolutionary explanations are often the best ones, in our view."
amazon.com
Psychology of Everyday Life: An Evolutionary Approach
Psychology of Everyday Life: An Evolutionary Approach - Kindle edition by Greengross, Gil, Workman, Lance, Holt, Nigel. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Psychology of Everyday Life: An Evolutionary Approach.
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Rob Sica @robsica.bsky.social · 7h
"A small, diverse body of research cannot simply negate decades of established knowledge about the many ways in which male and female bodies differ in characteristics relevant to athletic performance."
realityslaststand.com
The Scientific Sleight of Hand Behind Transgender Sports Research
Why evidence that male athletic advantage has been reduced is not evidence that it has been erased.
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Rob Sica @robsica.bsky.social · 9h
"The strongest current evidence therefore does not justify maximal claims, but it does justify treating harmful manipulation by LLMs as an empirically grounded risk, rather than a purely speculative one."
sciencedirect.com
A Modular Review of the Evidence for Harmful Manipulation by Large Language Models
Harmful manipulation by large language models (LLMs) is now a regulatory concern, yet the empirical evidence remains difficult to assess. Harmful mani…
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Reposted by Rob Sica
Lionel Page @lionelpage.bsky.social · 14/10/2026
AI could reshape democracy by making information processing cheaper. If AI agents serve citizens, they may strengthen democratic control. If they serve governments, they may enable Orwellian surveillance. This could justify limits on state use of AI. www.optimallyirrational.com/p/ai-and-dem...
optimallyirrational.com
AI and democracy: friend or foe?
How the AI revolution might impact political institutions
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Rob Sica @robsica.bsky.social · 21h
"In competitive contexts that mirror the ecological pressures under which randomness is useful — avoiding predictability, tricking adversaries, exploiting asymmetric knowledge, and so on — people implement random behavior, and do so flexibly, intelligently, and almost optimally."
sciencedirect.com
Near-random behavior in strategic games
Humans struggle to produce random behavior when asked to do so, leading some to suggest that our ability to randomize is attenuated (or even absent). …
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Rob Sica @robsica.bsky.social · 22h
😸🍿🔪"Grab a seat because today we are going to dismantle pretty everything you thought you knew about human goodness" t.co/C9AHeZlgSw
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Rob Sica @robsica.bsky.social · 15/10/2026
🔪"Self-deception may solve a signaling problem: Moral positions are most persuasive to others when they are experienced by the individual as sincere rather than as strategically adopted." osf.io/preprints/ps...
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Rob Sica @robsica.bsky.social · 14/10/2026
"the notion that lust only scrambles the male brain isn’t entirely correct; strong visceral sexual cues lower inhibitions and impair rational judgment for both sexes"
beringinmind.com
Is Sexual Arousal a Form of Cognitive Impairment?
The uncomfortable science of human nature. Sex, death, desire, belief, disgust, jealousy, shame—and the stranger things humans do.
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Rob Sica @robsica.bsky.social · 14/10/2026
"We must also come to understand how we can maintain the bases for our self-respect as decision-makers—how we can be epistemically autonomous—in a world in which dependence is pervasive and ineliminable."
direct.mit.edu
How We Govern Our Minds Through Others: Epistemic Autonomy Beyond the Myth of Independence
Epistemic autonomy worth valuing requires epistemic dependence on others, as well as on tools and technology.In How We Govern Our Minds Through Others, J.
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Rob Sica @robsica.bsky.social · 13/10/2026
"[I]f we try to measure secularization, to what extent are we looking for a secular presence, like worldview secularism, in addition to an absence, such as declining rates of religious affiliation, prayer, and belief in God?"
compass.onlinelibrary.wiley.com
Secularism and Nonreligion: Making Sense of Confusing Concepts
Secularism and nonreligion are confusing concepts. Over time, with strategic redefinition, they have accreted several, sometimes contradictory meanings. Today, their semantic excess creates confusion....
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Rob Sica @robsica.bsky.social · 13/10/2026
🔪“The moment we enter the political arena as advocates for some cause — or against one political party — people have every right to question our credibility as scholars.”
nytimes.com
Opinion | ‘Polarization Is the Price U.S. Society Has Had to Pay for Real Progress’
A debate in the rarefied atmosphere of elite academia is virtually certain to have real-world consequences.
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Rob Sica @robsica.bsky.social · 13/10/2026
🔪"If experts can't identify non-question-begging grounds for trust, novices have no hope whatsoever."
mitpress.mit.edu
How We Govern Our Minds Through Others
In How We Govern Our Minds Through Others, J. Adam Carter and Neil Levy argue that epistemic autonomy worth valuing requires various kinds of epistemic depen...
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Rob Sica @robsica.bsky.social · 13/10/2026
🔪"even if the progressives were 100% correct on every subject and have nothing whatsoever to learn from their thoughtful critics, censorship of opposing views is still harmful to their own cause, as it undermines the good reason for anybody else to adopt their ideas"
youtube.com
Woke Ideology in the Natural Sciences | Alan Sokal | Heterodox 2026
YouTube video by Centre for Heterodox Social Science
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Rob Sica @robsica.bsky.social · 13/10/2026
youtu.be
Ecology and Social Connections with Kathrine Starkweather
YouTube video by Evolutionary Psychology (The Podcast)
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Rob Sica @robsica.bsky.social · 13/10/2026
🙊🔪"When individuals encounter competing moral positions (or rules), they have some sense, however implicit, of what each position would mean for them." osf.io/preprints/ps...
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Rob Sica @robsica.bsky.social · 13/10/2026
"we found no association between play dolls and complexity, but a clear positive association between magic dolls and cultural complexity"
sciencedirect.com
The cultural evolution of play and magic dolls across 110 societies
Dolls represent one of the most widespread and enduring material objects that humans create across societies. The pervasiveness of dolls can offer nov…
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Rob Sica @robsica.bsky.social · 13/10/2026
"A decent society, we might claim, should be prepared to face facts: millions of people now live lives which, as they recognize and regret, are too long. Something, and we ought not to hold out for just the perfect thing, needs to be done about that."
academic.oup.com
Do Not Go Gentle: The Case Against Assisted Death
The topic of this long, leisurely, important, yet ultimately wrong-headed book will be familiar to almost all readers. So I can focus on the detail of Stoc
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Rob Sica @robsica.bsky.social · 13/10/2026
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Carl T. Bergstrom @carlbergstrom.com · 11/10/2026
That said, I vehemently disagree with this post, particularly where university press offices (my original source) are concerned. It is ABSOLUTELY the author's fault if a university press office misrepresents their work. I've been teaching this for a decade in our NIH trainee bioethics courses.
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Rob Sica @robsica.bsky.social · 12/10/2026
"while readers might mistakenly interpret this as proof that women are universally violent, the findings instead point to a flexible strategy where women use direct aggression when the stakes are high enough to outweigh the risks"
psypost.org
When women share a husband, physical fights between co-wives are common across cultures
Women are often thought to compete through gossip and exclusion rather than fists. But an analysis of ethnographic records from 19 cultures found physical fights between co-wives documented in 12 of t...
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Rob Sica @robsica.bsky.social · 12/10/2026
Yeah, I trust everyone can agree that that portion of established facts is indeed despicable.
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Chris Ferguson @cjferguson1111.bsky.social · 12/10/2026
Several recent meta-studies have come out regarding screen time and child outcomes. News media portrayed them as demonstrating screens are dangerous for kids. But did the data hold up? grimoiremanor.substack.com/p/screen-tim...
grimoiremanor.substack.com
Screen Time and How Weak Meta-Studies Misinform Us
Weak studies continue to be hyped in the press (and sometimes by their authors)
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Rob Sica @robsica.bsky.social · 12/10/2026
🐸"The Cornell story is literally to Kill a Mockingbird..." x.com/ASFleischman...
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Dan Sperber @dansperber.bsky.social · 12/10/2026
Important new research by Helena Miton: Cultural Cognitive Scaffolding osf.io/preprints/so...
osf.io
Cultural Cognitive Scaffolding
In many domains, human life has undergone dramatic changes—globalized exchanges, complex technological systems, large societies—that would both require and result from rapid cognitive change. In this ...
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Rob Sica @robsica.bsky.social · 12/10/2026
youtube.com
Thomas Nagel: What Is It Like to Be a Bat? (Full Conversation)
YouTube video by Closer To Truth
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Rob Sica @robsica.bsky.social · 12/10/2026
"Quietism... as I see it, is a combination of a search for something like tranquility, but combined with a moral life with albeit fairly modest ambitions to live compassionately... without any pretensions or illusions about changing the world"
youtube.com
Buddhism, Pessimism and Misanthropy | David E. Cooper
YouTube video by Lawrence Anton
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Rob Sica @robsica.bsky.social · 12/10/2026
youtube.com
Why Chimpanzees Go to War, with John Mitani
YouTube video by School of War Podcast
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Rob Sica @robsica.bsky.social · 11/10/2026
✨"Nowhere outside that church do I recall receiving even a smidgeon of an answer to my questions about humans: not in school, from elementary school all through undergraduate school, not from my parents, not from any teacher, not in any publication." s3.amazonaws.com/files.common...
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Alice Evans @draliceevans.bsky.social · 11/10/2026
Societies gained strength from alliances, but this also created a hazard, as strangers increasingly intermingled with each other’s women. Sexual rivalries could provoke bitter acrimony Key for any alliance was to quell men's conflicts over women 👇👇👇 www.ggd.world/p/rape-and-r...
ggd.world
Rape and Revenge Massacres
Men's sexual rivalries were often ruinous, preventing peaceful cooperation, destroying fraternal alliances.
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Rob Sica @robsica.bsky.social · 11/10/2026
"increases in cultural complexity result from changes in cognition"
researchgate.net
Cultural Cognitive Scaffolding
Download Citation | Cultural Cognitive Scaffolding | In many domains, human life has undergone dramatic changes—globalized exchanges, complex technological systems, large societies—that would both... ...
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Rob Sica @robsica.bsky.social · 11/10/2026
“Organized violence is not only a matter of what perpetrators think about their actions or their victims. It is also a matter of who they become while carrying it out.”
osf.io
Instruments of Execution: How Military Organizations Make War Work
War depends on organizations that turn abstract political objectives into concrete acts of force. Yet within these organizations, violence must be carried out by individuals whose willingness to harm ...
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Rob Sica @robsica.bsky.social · 11/10/2026
"Within each race there's a wide range of abilities and temperament, therefore look at the person, not at the race."
youtube.com
Woke in de academische wereld: klokkenluider Nathan Cofnas en de nasleep van de Arday-affaire
YouTube video by blckbx
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Rob Sica @robsica.bsky.social · 11/10/2026
🧐"a truly, in my mind, misbegotten journal that is run by very, very prominent people... the Journal of Controversial Ideas specializes in publishing racist research... Nazism, that's basically where they went here"
youtube.com
Bronstein Lecture: Eric Turkheimer, PhD
YouTube video by UPENN Div of Med Ethics & Health Policy
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Rob Sica @robsica.bsky.social · 11/10/2026
"There is nothing intrinsically 'right-wing' about concern for these interests, or about opposition to elementary school instruction on gender identity, school support for social transition without informing parents, or attempts to regulate pronoun use."
rogersbrubaker.substack.com
Gender identity and its discontents
I summarize the main argument of my new book Gender Identity: The Career of a Category, and I comment on issues raised by Shreeharsh Kelkar and Noah Millman in a mini-symposium organized by Dan Oppenh...
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Rob Sica @robsica.bsky.social · 11/10/2026
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Michael Tracey @m-tracey.bsky.social · 10/10/2026
Impressed to see outright calls for murder are permitted on Bluesky -- the true Free Speech platform!
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Rob Sica @robsica.bsky.social · 10/10/2026
✨"I think one of the destinies of art is to invite us to think in different ways... the two others will be probably to remind us that we're not alone and that life is finite... that life will end and it's all about moments"
youtube.com
Carlos Reygadas on Heil Jupiter!
YouTube video by Film at Lincoln Center
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Rob Sica @robsica.bsky.social · 10/10/2026
I think he means we have end goals specified by evolution (e.g. avoiding harm, acquiring resources, attracting mates, investing in offspring, forming alliances, gaining status) and a generative system for achieving them through specific means assembled from local world. Lotta leeway for Nietzsches.
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Rob Sica @robsica.bsky.social · 10/10/2026
"Is training in social science really, really this bad? Are the foxes basically just guarding the henhouse when it comes to effect size interpretation? Is the moral panic over smartphones and social media just destroying all critical thinking?"
grimoiremanor.substack.com
Yet Another Study Finds No Reliable Effect of Banning Cellphones Yet Pretends It Does Anyway
Please, sweet Jesus, make the bad studies stop!
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Alberto Acerbi @acerbialberto.com · 10/10/2026
Intelligenza (artificiale) collettiva; i giovani stanno meglio?; i 20 post più visti su Facebook fanno lo 0,03% delle visualizzazioni; l'IA dimostra teoremi; Netflix semplifica le serie? albertoacerbi.substack.com/p/i-link-del...
albertoacerbi.substack.com
I link della settimana (#156)
(i) Io sono di parte, ma questo è un breve pezzo, dal DeepMind Institute, che ci ricorda che “dalla multicellularità all’evoluzione culturale, le grandi transizioni della vita sulla Terra sono state f...
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Rob Sica @robsica.bsky.social · 10/10/2026
🔪"We make up nice-sounding stories to tell ourselves and others about how our self-interested positions are really best for everyone... And, often, our motives to advocate for our self-interested policy outcomes overwhelm our motives to develop more accurate social scientific accounts"
chartyarps.substack.com
Discrimination is a smart strategy for stupid people
Playing to one’s strengths in choosing the rules of status competitions
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Rob Sica @robsica.bsky.social · 10/10/2026
"It’s well known that women tend to be more attracted to woke ideas than men... in every field without exception... with women in business being roughly as woke as men in the social sciences... female social scientists the most" www.stevestewartwilliams.com/p/exploring-...
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Rob Sica @robsica.bsky.social · 10/10/2026
🔪"The truth is that we do not need more evangelism; we need more honesty about what works, what fails, and what sits in between. We need to celebrate practical wisdom alongside theory, and to resist the temptation to inflate fragile findings into universal laws."
bristoluniversitypressdigital.com
Afterword
"Afterword" published on 15 Oct 2026 by Bristol University Press.
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Rob Sica @robsica.bsky.social · 10/10/2026
🔪"if the free flow of information is the currency of democracy, we ought to consider not only the opinions expressed, but also those that are modified or withheld entirely" scholar.google.com/citations?vi...
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Rob Sica @robsica.bsky.social · 10/10/2026
"the strongest case for increasing viewpoint diversity rests on not only the epistemic injustices faced by conservatives but also the epistemic harms that affect everyone"
link.springer.com
Universities, science, and politics - Contemporary Political Theory
Contemporary Political Theory -
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Rob Sica @robsica.bsky.social · 10/10/2026
"All of us are biased, but activists add moral importance to their biases that just might make them irresistible. Science is hard enough to get right without moral weight to push back against."
speakandregret.michaelinzlicht.com
Blind the Scientists
Hello there again.
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Rob Sica @robsica.bsky.social · 10/10/2026
"a taxonomy of women’s defenses against sexual violence, containing over 19 defense categories, encompassing 48 tactics and over 9,000 nominated behaviors... a frequently nominated defense in our data included staying sober" t.co/dUh0Y5Zt69
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Rob Sica @robsica.bsky.social · 10/10/2026
😸🔪"My regret is that I did not ask these professors to sign their predictions. The hindsight bias is now well known in psych, but I was naïve about it... only one of the dozen or so professors I asked actually did predict universal sex differences—Don Symons." labs.la.utexas.edu/buss/files/2...
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