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titled “Tightness-Looseness Across the 50 United States,” the study calculated a catalog of measures for each state, including the incidence of natural disasters, disease prevalence, residents’ levels of openness and conscientiousness, drug and alcohol use, homelessness and incarceration rates.

Gelfand said:Some groups have much stronger norms than others; they’re tight. Others have much weaker norms; they’re loose. Of course, all cultures have areas in which they are tight and loose — but cultures vary in the degree to which they emphasize norms and compliance with them.

states in New England and on the West Coast were the loosest: California, Oregon, Washington, Maine, Massachusetts, Connecticut, New Hampshire and Vermont.

In both 2016 and 2020, Donald Trump carried all 10 of the top “tight” states; Hillary Clinton and Joe Biden carried all 10 of the top “loose” states.

“Rule Makers, Rule Breakers: How Tight and Loose Cultures Wire the World” in 2018, in which she described the results of a 2016 pre-election survey she and two colleagues had commissioned

The results were telling: People who felt the country was facing greater threats desired greater tightness. This desire, in turn, correctly predicted their support for Trump. In fact, desired tightness predicted support for Trump far better than other measures. For example, a desire for tightness predicted a vote for Trump with 44 times more accuracy than other popular measures of authoritarianism.

The 2016 election, Gelfand continued, “turned largely on primal cultural reflexes — ones that had been conditioned not only by cultural forces, but by a candidate who was able to exploit them.”

Along the same lines, if liberals and conservatives hold differing moral visions, not just about what makes a good government but about what makes a good life, what turned the relationship between left and right from competitive to mutually destructive?

Cultural differences, Gelfand continued, “have a certain logic — a rationale that makes good sense,” noting that “cultures that have threats need rules to coordinate to survive (think about how incredibly coordinated Japan is in response to natural disasters).

cultures that don’t have a lot of threat can afford to be more permissive and loose.”

The tight-loose concept, Gelfand argued,is an important framework to understand the rise of President Donald Trump and other leaders in Poland, Hungary, Italy, and France,

The gist is this: when people perceive threat — whether real or imagined, they want strong rules and autocratic leaders to help them survive

My research has found that within minutes of exposing study participants to false information about terrorist incidents, overpopulation, pathogen outbreaks and natural disasters, their minds tightened. They wanted stronger rules and punishments.

The South dominated the tight states: Mississippi, Alabama Arkansas, Oklahoma, Tennessee, Texas, Louisiana, Kentucky, South Carolina and North Carolina

Looseness, Gelfand posits, fosters tolerance, creativity and adaptability, along with such liabilities as social disorder, a lack of coordination and impulsive behavior.

If liberalism and conservatism have historically played a complementary role, each checking the other to constrain extremism, why are the left and right so destructively hostile to each other now, and why is the contemporary political system so polarized?

Gelfand writes that tightness encourages conscientiousness, social order and self-control on the plus side, along with close-mindedness, conventional thinking and cultural inertia on the minus side.

Niemi contended that sensitivity to various types of threat is a key factor in driving differences between the far left and far right.

She cited research thatfound 47 percent of the most extreme conservatives strongly endorsed the view that “The world is becoming a more and more dangerous place,” compared to 19 percent of the most extreme liberals

Conservatives and liberals, Niemi continued,see different things as threats — the nature of the threat and how it happens to stir one’s moral values (and their associated emotions) is a better clue to why liberals and conservatives react differently.

Unlike liberals, conservatives strongly endorse the binding moral values aimed at protecting groups and relationships. They judge transgressions involving personal and national betrayal, disobedience to authority, and disgusting or impure acts such as sexually or spiritually unchaste behavior as morally relevant and wrong.

Underlying these differences are competing sets of liberal and conservative moral priorities, with liberals placing more stress than conservatives on caring, kindness, fairness and rights — known among scholars as “individualizing values

conservatives focus more on loyalty, hierarchy, deference to authority, sanctity and a higher standard of disgust, known as “binding values.”

As a set, Niemi wrote, conservative binding values encompassthe values oriented around group preservation, are associated with judgments, decisions, and interpersonal orientations that sacrifice the welfare of individuals

Just as ecological factors differing from region to region over the globe produced different cultural values, ecological factors differed throughout the U.S. historically and today, producing our regional and state-level dimensions of culture and political patterns.

Niemi cited a paper she and Liane Young, a professor of psychology at Boston College, published in 2016, “When and Why We See Victims as Responsible: The Impact of Ideology on Attitudes Toward Victims,” which tested responses of men and women to descriptions of crimes including sexual assaults and robberies.

We measured moral values associated with unconditionally prohibiting harm (“individualizing values”) versus moral values associated with prohibiting behavior that destabilizes groups and relationships (“binding values”: loyalty, obedience to authority, and purity)

Increased endorsement of binding values predicted increased ratings of victims as contaminated, increased blame and responsibility attributed to victims, increased perceptions of victims’ (versus perpetrators’) behaviors as contributing to the outcome, and decreased focus on perpetrators.

For example, binding values are associated with Machiavellianism (e.g., status-seeking and lying, getting ahead by any means, 2013); victim derogation, blame, and beliefs that victims were causal contributors for a variety of harmful acts (2016, 2020); and a tendency to excuse transgressions of ingroup members with attributions to the situation rather than the person (2023).

What happened to people ecologically affected social-political developments, including the content of the rules people made and how they enforced them

Numerous factors potentially influence the evolution of liberalism and conservatism and other social-cultural differences, including geography, topography, catastrophic events, and subsistence styles

Joshua Hartshorne, who is also a professor of psychology at Boston College, took issue with the binding versus individualizing values theory as an explanation for the tendency of conservatives to blame victims:

I would guess that the reason conservatives are more likely to blame the victim has less to do with binding values and more to do with the just-world bias (the belief that good things happen to good people and bad things happen to bad people, therefore if a bad thing happened to you, you must be a bad person).

Belief in a just world, Hartshorne argued, is crucial for those seeking to protect the status quo:It seems psychologically necessary for anyone who wants to advocate for keeping things the way they are that the haves should keep on having, and the have-nots have got as much as they deserve. I don’t see how you could advocate for such a position while simultaneously viewing yourself as moral (and almost everyone believes that they themselves are moral) without also believing in the just world

Conversely, if you generally believe the world is not just, and you view yourself as a moral person, then you are likely to feel like you have an obligation to change things.

I asked Lene Aaroe, a political scientist at Aarhus University in Denmark, why the contemporary American political system is as polarized as it is now, given that the liberal-conservative schism is longstanding. What has happened to produce such intense hostility between left and right?

There is variation across countries in hostility between left and right. The United States is a particularly polarized case which calls for a contextual explanatio

A central explanation typically offered for the current situation in American politics is that partisanship and political ideology have developed into strong social identities where the mass public is increasingly sorted — along social, partisan, and ideological lines.

I then asked Aaroe why surveys find that conservatives are happier than liberals. “Some research,” she replied, “suggests that experiences of inequality constitute a larger psychological burden to liberals because it is more difficult for liberals to rationalize inequality as a phenomenon with positive consequences.”

Steven Pinker, a professor of psychology at Harvard, elaborated in an email on the link between conservatism and happiness:

t’s a combination of factors. Conservatives are likelier to be married, patriotic, and religious, all of which make people happier

They may be less aggrieved by the status quo, whereas liberals take on society’s problems as part of their own personal burdens. Liberals also place politics closer to their identity and striving for meaning and purpose, which is a recipe for frustration.

Some features of the woke faction of liberalism may make people unhappier: as Jon Haidt and Greg Lukianoff have suggested, wokeism is Cognitive Behavioral Therapy in reverse, urging upon people maladaptive mental habits such as catastrophizing, feeling like a victim of forces beyond one’s control, prioritizing emotions of hurt and anger over rational analysis, and dividing the world into allies and villains.

Why, I asked Pinker, would liberals and conservatives react differently — often very differently — to messages that highlight threat?

It may be liberals (or at least the social-justice wing) who are more sensitive to threats, such as white supremacy, climate change, and patriarchy; who may be likelier to moralize, seeing racism and transphobia in messages that others perceive as neutral; and being likelier to surrender to emotions like “harm” and “hurt.”

The authors used neural imaging to follow changes in the dorsomedial prefrontal cortex (known as DMPFC) as conservatives and liberals watched videos presenting strong positions, left and right, on immigration.

there are ways to persuade conservatives to support liberal initiatives and to persuade liberals to back conservative proposals:

While liberals tend to be more concerned with protecting vulnerable groups from harm and more concerned with equality and social justice than conservatives, conservatives tend to be more concerned with moral issues like group loyalty, respect for authority, purity and religious sanctity than liberals are. Because of these different moral commitments, we find that liberals and conservatives can be persuaded by quite different moral arguments

For example, we find that conservatives are more persuaded by a same-sex marriage appeal articulated in terms of group loyalty and patriotism, rather than equality and social justice.

“political arguments reframed to appeal to the moral values of those holding the opposing political position are typically more effective

We find support for these claims across six studies involving diverse political issues, including same-sex marriage, universal health care, military spending, and adopting English as the nation’s official language.”

In one test of persuadability on the right, Feinberg and Willer assigned some conservatives to read an editorial supporting universal health care as a matter of “fairness (health coverage is a basic human right)” or to read an editorial supporting health care as a matter of “purity (uninsured people means more unclean, infected, and diseased Americans).”

Conservatives who read the purity argument were much more supportive of health care than those who read the fairness case.

Liberals who read the fairness argument were substantially more supportive of military spending than those who read the loyalty and authority argument.

In “Conservative and Liberal Attitudes Drive Polarized Neural Responses to Political Content,” Willer, Yuan Chang Leong of the University of Chicago, Janice Chen of Johns Hopkins and Jamil Zaki of Stanford address the question of how partisan biases are encoded in the brain:

society. How do such biases arise in the brain? We measured the neural activity of participants watching videos related to immigration policy. Despite watching the same videos, conservative and liberal participants exhibited divergent neural responses. This “neural polarization” between groups occurred in a brain area associated with the interpretation of narrative content and intensified in response to language associated with risk, emotion, and morality. Furthermore, polarized neural responses predicted attitude change in response to the videos.

The four authors argue that their “findings suggest that biased processing in the brain drives divergent interpretations of political information and subsequent attitude polarization.” These results, they continue, “shed light on the psychological and neural underpinnings of how identical information is interpreted differently by conservatives and liberals.”

While liberals and conservatives, guided by different sets of moral values, may make agreement on specific policies difficult, that does not necessarily preclude consensus.

or each video,” they write,participants with DMPFC activity time courses more similar to that of conservative-leaning participants became more likely to support the conservative positio

Conversely, those with DMPFC activity time courses more similar to that of liberal-leaning participants became more likely to support the liberal position. These results suggest that divergent interpretations of the same information are associated with increased attitude polarizatio

Together, our findings describe a neural basis for partisan biases in processing political information and their effects on attitude change.

Describing their neuroimaging method, the authors point out that theysearched for evidence of “neural polarization” activity in the brain that diverges between people who hold liberal versus conservative political attitudes. Neural polarization was observed in the dorsomedial prefrontal cortex (DMPFC), a brain region associated with the interpretation of narrative content.

The question is whether the political polarization that we are witnessing now proves to be a core, encoded aspect of the human mind, difficult to overcome — as Leong, Chen, Zaki and Willer sugges

— or whether, with our increased knowledge of the neural basis of partisan and other biases, we will find more effective ways to manage these most dangerous of human predispositions.

In theory, a robot could be trained on data drawn from computer-simulated movements, but there, too, you must make trade-offs

Jang compared computation to a tidal wave lifting technologies up with it: AI is surfing atop the crest; robotics is still standing at the water’s edge.

Whatever its causes, the lag in robotics could become a problem for AI. The two are deeply intertwined

But the biggest obstacle for roboticists—the factor at the core of Moravec’s paradox—is that the physical world is extremely complicated, far more so than languag

Some researchers are skeptical that a model trained on language alone, or even language and images, could ever achieve humanlike intelligence. “There’s too much that’s left implicit in language,” Ernest Davis, a computer scientist at NYU, told me. “There’s too much basic understanding of the world that is not specified.” The solution, he thinks, is having AI interact directly with the world via robotic bodies. But unless robotics makes some serious progress, that is unlikely to be possible anytime soon.

For years already, engineers have used AI to help build robots. In a more extreme, far-off vision, super-intelligent AIs could simply design their own robotic body. But for now, Finn told me, embodied AI is still a ways off. No android assassins. No humanoid helpers.

Set in the context of our current technological abilities, HAL’s murderous exchange with Dave from 2001: A Space Odyssey would read very differently. The machine does not refuse to help its human master. It simply isn’t capable of doing so.“Open the pod bay doors, HAL.”“I’m sorry, Dave. I’m afraid I can’t do that.”

Meanwhile, STEM’s conquest of the university has wrecked old humanistic homes. As Nathan Heller’s recent article in The New Yorker documented, the English department is now an unpopulated, undesired version of its former self.

That her book doesn’t feel terribly urgent perhaps speaks to a fundamental weakness within humanism.

Bakewell self-identifies as a stalwart of humanism, but even she concedes that this is an elusive label. “Humanism is personal, and it is a semantic cloud of meanings and implications, none attachable to any particular theorist or practitioner.” Without a pithy definition or clear doctrine, she can manage only to narrow humanism down to three characteristics: freethinking, hope, and inquiry

By setting aside all thoughts of the afterlife, the humanist can focus on making the most of earthly existence, pursuing happiness and mitigating suffering.

she would clearly like humanism to be more substantial than it actually is. The ism suffix in Bakewell’s subject is, in fact, a bit of misdirection, because it implies a political idea or perhaps a coherent worldview

the belief that people can feel genuine solidarity for one another, despite their differences—but this is a paper-thin morality that hardly survives the skepticism that Bakewell celebrates.

Humanism is not a synonym for liberalism or philosophical pragmatism. It more accurately describes a temperament

he humanistic canon she constructs sprawls to include the likes of David Hume, Voltaire, Thomas Paine, Frederick Douglass, John Stuart Mill, Zora Neale Hurston, and Thomas Mann.

It can sometimes be a struggle to see the commonalities, other than some degree of skepticism about religion, an underlying decency, and a general cheeriness in the midst of dreary struggles against the prevailing politics of their times.

While it’s true that freethinking is the enemy of authoritarianism, humanism suffers from a tendency to oversell itself. It doesn’t have a good track record of effectively standing up to facism,

in the current American context, right-wing ethno-nationalists have cynically draped themselves in the trappings of humanism. The likes of Ben Shapiro and Tucker Carlson present themselves as the true defenders of freethinking and open inquiry.

Self-doubt, a cheerful disposition, and a joyous pursuit of knowledge are qualities that might make for wise leaders, but can also produce hapless political combatants. Or, as Mann once declared: “In all humanism there is an element of weakness, which … may be its ruin.”

humanism is more like religion than Bakewell is prepared to admit. At its best, it is a secular faith. Its universalist spirit and open-mindedness are ethical stances. Its wishful optimism about human possibility can provide spiritual nourishment in a fallen world.

This makes it a style of dissidence well suited for the age of AI. The humanist becomes the contrarian who insists on maintaining that which automation seeks to render obsolete: the faculties of the independent mind, the very core of intellectual personhood.

If Mr. Kahlenberg had his way, college admissions would be upended.

His basic recipe: Get rid of preferences for alumni children, as well as children of faculty, staff and big donors. Say goodbye to recruited athletes in boutique sports like fencing. Increase community college transfers. Give a break to students who have excelled in struggling schools, who have grown up in neighborhoods of concentrated poverty, in families with low income, or better yet, low net worth. Pump up financial aid. Look for applicants in towns that do not normally send students to highly selective colleges.

elite colleges have become fortresses for the rich, he said. Harvard had “23 times as many rich kids as poor kids,” Mr. Kahlenberg testified in 2018 at the federal court trial in the Harvard case, referring to a 2017 paper by Raj Chetty, then a Stanford economist, and colleagues.

his 2012 study that found seven of 10 leading universities were able to return to previous levels of diversity through race-neutral means.

In 2020, Berkeley boasted that it had admitted its most diverse class in 30 years, with offers to African American and Latino students rising to the highest numbers since at least the late-1980s, without sacrificing academic standards.

In a simulation of the class of 2019, he found that the share of Black students at Harvard would drop to 10 percent from 14 percent, but the share of white students would also drop, to 33 percent from percent from 40 percent, mainly because of the elimination of legacy and other preferences. The share of Hispanic students would rise to 19 percent from 14 percent and the Asian American share would rise to 31 percent from 24 percent.

The share of “advantaged” students (parents with a bachelor’s degree, family income over $80,000, living in a neighborhood not burdened by concentrated poverty) would make up about half of the class, from 82 percent. SAT scores would drop to the 98th percentile from the 99th.

In the affirmative action trial, Harvard said that Mr. Kahlenberg’s model would produce too little diversity, and water down academic quality. Its actual class of 2026 is 15.2 percent African American, 12.6 percent Hispanic and 27.9 percent Asian American.

Edward Blum, the conservative activist behind the lawsuits against Harvard and U.N.C., said Mr. Kahlenberg came to his attention when “The Remedy” was published. The focus on class seemed like a powerful bridge between the left and the right, Mr. Blum said

Dr. Laycock, of the University of Virginia, expects that once the Supreme Court rules, conservative groups that are now promoting race-neutral alternatives will claim they are racial proxies and turn against them. “Everybody knows that’s why it’s being used,” he said. (Mr. Blum said his group will not, though other conservative groups could do so.)

There is no “We Believe” sign in the yard. But on the living room wall, a sign says, “Live simply, dream big, be grateful, give love, laugh lots.”

In that spirit, his stubborn campaign might be traced to being the son of a pastor whose family could afford to make him a Harvard graduate, twice over. “I do have some measure of class guilt,” he said. “I wish people who are far richer than I am had more class guilt.”

a “builder class”—a brains trust of youngish idealists, which includes Patrick Collison, co-founder of Stripe, a payments firm valued at $74bn, and other (mostly white and male) techies, who are posing questions that go far beyond the usual interests of Silicon Valley’s titans. They include the future of man and machine, the constraints on economic growth, and the nature of government.

They share other similarities. Business provided them with their clout, but doesn’t seem to satisfy their ambition

The number of techno-billionaires in America (Mr Collison included) has more than doubled in a decade.

ome of them, like the Medicis in medieval Florence, are keen to use their money to bankroll the intellectual ferment

The other is Paul Graham, co-founder of Y Combinator, a startup accelerator, whose essays on everything from cities to politics are considered required reading on tech campuses.

Mr Altman puts it more optimistically: “The iPhone and cloud computing enabled a Cambrian explosion of new technology. Some things went right and some went wrong. But one thing that went weirdly right is a lot of people got rich and said ‘OK, now what?’”

A belief that with money and brains they can reboot social progress is the essence of this new mindset, making it resolutely upbeat

The question is: are the rest of them further evidence of the tech industry’s hubristic decadence? Or do they reflect the start of a welcome capacity for renewal?

Two well-known entrepreneurs from that era provided the intellectual seed capital for some of today’s techno nerds.

Mr Thiel, a would-be libertarian philosopher and investor

This cohort of eggheads starts from common ground: frustration with what they see as sluggish progress in the world around them.

Yet the impact could ultimately be positive. Frustrations with a sluggish society have encouraged them to put their money and brains to work on problems from science funding and the redistribution of wealth to entirely new universities. Their exaltation of science may encourage a greater focus on hard tech

the rationalist movement has hit the mainstream. The result is a fascination with big ideas that its advocates believe goes beyond simply rose-tinted tech utopianism

A burgeoning example of this is “progress studies”, a movement that Mr Collison and Tyler Cowen, an economist and seer of the tech set, advocated for in an article in the Atlantic in 2019

Progress, they think, is a combination of economic, technological and cultural advancement—and deserves its own field of study

There are other examples of this expansive worldview. In an essay in 2021 Mr Altman set out a vision that he called “Moore’s Law for Everything”, based on similar logic to the semiconductor revolution. In it, he predicted that smart machines, building ever smarter replacements, would in the coming decades outcompete humans for work. This would create phenomenal wealth for some, obliterate wages for others, and require a vast overhaul of taxation and redistribution

His two bets, on OpenAI and nuclear fusion, have become fashionable of late—the former’s chatbot, ChatGPT, is all the rage. He has invested $375m in Helion, a company that aims to build a fusion reactor.

Mr Lonsdale, who shares a libertarian streak with Mr Thiel, has focused attention on trying to fix the shortcomings of society and government. In an essay this year called “In Defence of Us”, he argues against “historical nihilism”, or an excessive focus on the failures of the West.

With a soft spot for Roman philosophy, he has created the Cicero Institute in Austin that aims to inject free-market principles such as competition and transparency into public policy.

He is also bringing the startup culture to academia, backing a new place of learning called the University of Austin, which emphasises free speech.

All three have business ties to their mentors. As a teen, Mr Altman was part of the first cohort of founders in Mr Graham’s Y Combinator, which went on to back successes such as Airbnb and Dropbox. In 2014 he replaced him as its president, and for a while counted Mr Thiel as a partner (Mr Altman keeps an original manuscript of Mr Thiel’s book “Zero to One” in his library). Mr Thiel was also an early backer of Stripe, founded by Mr Collison and his brother, John. Mr Graham saw promise in Patrick Collison while the latter was still at school. He was soon invited to join Y Combinator. Mr Graham remains a fan: “If you dropped Patrick on a desert island, he would figure out how to reproduce the Industrial Revolution,”

While at university, Mr Lonsdale edited the Stanford Review, a contrarian publication co-founded by Mr Thiel. He went on to work for his mentor and the two men eventually helped found Palantir. He still calls Mr Thiel “a genius”—though he claims these days to be less “cynical” than his guru.

“The tech industry has always told these grand stories about itself,” says Adrian Daub of Stanford University and author of the book, “What Tech Calls Thinking”. Mr Daub sees it as a way of convincing recruits and investors to bet on their risky projects. “It’s incredibly convenient for their business models.”

In the 2000s Mr Thiel supported the emergence of a small community of online bloggers, self-named the “rationalists”, who were focused on removing cognitive biases from thinking (Mr Thiel has since distanced himself). That intellectual heritage dates even further back, to “cypherpunks”, who noodled about cryptography, as well as “extropians”, who believed in improving the human condition through life extensions

Silicon Valley has shown an uncanny ability to reinvent itself in the past.

During the 20th century, the list got much longer. In came existential crises, midlife crises, energy crises and environmental crises. When Koselleck was writing about the subject in the 1970s, he counted up more than 200 kinds of crisis we could then face

Waking up each morning to hear about the latest crisis is dispiriting for some, but throughout history it has been a bracing experience for others. In 1857, Friedrich Engels wrote in a letter that “the crisis will make me feel as good as a swim in the ocean”. A hundred years later, John F Kennedy (wrongly) pointed out that in the Chinese language, the word “crisis” is composed of two characters, “one representing danger, and the other, opportunity”. More recently, Elon Musk has argued “if things are not failing, you are not innovating enough”.

Victor H Mair, a professor of Chinese literature at the University of Pennsylvania, points out that in fact the Chinese word for crisis, wēijī, refers to a perilous situation in which you should be particularly cautious

“Those who purvey the doctrine that the Chinese word for ‘crisis’ is composed of elements meaning ‘danger’ and ‘opportunity’ are engaging in a type of muddled thinking that is a danger to society,” he writes. “It lulls people into welcoming crises as unstable situations from which they can benefit.” Revolutionaries, billionaires and politicians may relish the chance to profit from a crisis, but most people world prefer not to have a crisis at all.

A 2019 study which involved observing participants using bricks, found that those who had been threatened before the task tended to come up with more harmful uses of the bricks (such as using them as weapons) than people who did not feel threatened

The first world war sparked the growth of modernism in painting and literature. The second fuelled innovations in science and technology. The economic crises of the 1970s and 80s are supposed to have inspired the spread of punk and the creation of hip-hop

psychologists have also found that when we are threatened by a crisis, we become more rigid and locked into our beliefs. The creativity researcher Dean Simonton has spent his career looking at breakthroughs in music, philosophy, science and literature. He has found that during periods of crisis, we actually tend to become less creative.

When he looked at 5,000 creative individuals over 127 generations in European history, he found that significant creative breakthroughs were less likely during periods of political crisis and instability.

psychologists have found that it is what they call “malevolent creativity” that flourishes when we feel threatened by crisis.

These are innovations that tend to be harmful – such as new weapons, torture devices and ingenious scams.

A common folk theory is that times of great crisis also lead to great bursts of creativity.

Students presented with information about a threatening situation tended to become increasingly wary of outsiders, and even begin to adopt positions such as an unwillingness to support LGBT people afterwards.

during moments of crisis – when change is really needed – we tend to become less able to change.

When we suffer significant traumatic events, we tend to have worse wellbeing and life outcomes.

, other studies have shown that in moderate doses, crises can help to build our sense of resilience.

we tend to be more resilient if a crisis is shared with others. As Bruce Daisley, the ex-Twitter vice-president, notes: “True resilience lies in a feeling of togetherness, that we’re united with those around us in a shared endeavour.”

Crises are like many things in life – only good in moderation, and best shared with others

The challenge our leaders face during times of overwhelming crisis is to avoid letting us plunge into the bracing ocean of change alone, to see if we sink or swim. Nor should they tell us things are fine, encouraging us to hide our heads in the san

during moments of significant crisis, the best leaders are able to create some sense of certainty and a shared fate amid the seas of change.

This means people won’t feel an overwhelming sense of threat. It also means people do not feel alone. When we feel some certainty and common identity, we are more likely to be able to summon the creativity, ingenuity and energy needed to change things.

Blend these factors — a desire for escape from our virtual lives; bidding as fast as pushing a button; and the promotion of new collecting fields like outdated technology devices — and you have Heritage Auctions in Dallas.

Heritage is a whirlwind of activity, of passion, of hype, constantly trying new ways of enticing people to own something beautiful and useless. Ninety-one million Americans, according to U.S. Census Bureau surveys, are having trouble paying household bills. Everyone else is a potential bidder.

Twenty years ago, Heritage had four categories: coins, comics, movie posters and sports. Now it has more than 50, which generated revenue of $1.4 billion last year. Everything, at least in theory, is collectible.

“We don’t question the value or legitimacy of a particular subject matter relative to outmoded norms,” Mr. Benesh said. “We’re not here to tell you what’s worthwhile. The marketplace will tell you. The bidders” — Heritage has 1.6 million — “will tell you.”

In mid-2020, the privately held company moved to a 160,000-square-foot building by Dallas-Fort Worth International Airport, doubling the size of its former headquarters. Hundreds of specialists, most of them collectors themselves, prepare hundreds of thousands of items for bids here — researching, photographing, writing catalog copy.

The problem is, older historical items that were previously unknown are becoming rare. Every barn, basement and attic has been ransacked for treasures. New items related to Washington or Lincoln, for instance, are nearly impossible to find.

For instance, when a Harvard scholar such as Steven Pinker speaks of “disempowering D.E.I.” as a necessary reform in American higher education, he’s not opposing diversity itself. Pinker is liberal, donates substantially to the Democratic Party and “loathes” Donald Trump. The objections he raises are shared by a substantial number of Americans across the political spectrum.

, the problem with D.E.I. isn’t with diversity, equity, or inclusion — all vital values.

First, it is a moral necessity for colleges to be concerned about hateful discourse, including hateful language directed at members of historically marginalized groups. Moreover, colleges that receive federal funds have a legal obligation

I’ll share with you three pervasive examples

In the name of D.E.I., all too many institutions have violated their constitutional commitments to free speech, due process and equal protection of the law.

Yet that is no justification for hundreds of universities to pass and maintain draconian speech codes on campus, creating a system of unconstitutional censorship that has been struck down again and again and again in federal court. Nor is it a justification for discriminating against faculty members for their political views or for compelling them to speak in support of D.E.I.

There is a better way to achieve greater diversity, equity, inclusion and related goals. Universities can welcome students from all walks of life without unlawfully censoring speech. They can respond to campus sexual violence without violating students’ rights to due process. They can diversify the student body without discriminating on the basis of race

Second, there is a moral imperative to respond to sexual misconduct on campus.

that is no justification for replacing one tilted playing field with another. Compelled in part by constitutionally problematic guidance from the Obama administration, hundreds of universities adopted sexual misconduct policies that strip the most basic due process protections from accused students. The result has been systematic injustice

The due process problem was so profound that in 2019 a state appellate court in California — hardly a bastion of right-wing jurisprudence — ruled that “fundamental fairness” entitles an accused student to cross-examine witnesses in front of a neutral adjudicator.

Third, it is urgently necessary to address racial disparities in campus admissions and faculty hiring — but, again, not at the expense of the Constitution.

it is difficult to ignore the overwhelming evidence that Harvard attempted to achieve greater diversity in part by systematically downranking Asian applicants on subjective grounds, judging them deficient in traits such as “positive personality,” likability, courage, kindness and being “widely respected.” That’s not inclusion; it’s discrimination.

Our nation has inflicted horrific injustices on vulnerable communities. And while the precise nature of the injustice has varied — whether it was slavery, Jim Crow, internment or the brutal conquest of Native American lands — there was always a consistent theme: the comprehensive denial of constitutional rights.

But one does not correct the consequences of those terrible constitutional violations by inflicting a new set of violations on different American communities in a different American era. A consistent defense of the Constitution is good for us all,

The danger posed by D.E.I. resides primarily not in these virtuous ends, but in the unconstitutional means chosen to advance them.

Virtuous goals should not be accomplished by illiberal means.

Dr. Monteiro and his colleagues developed a food classification system called Nova, named after the Portuguese and Latin words for “new.” It has since been adopted by researchers across the world.

Unprocessed or minimally processed foods, like fresh or frozen fruits and vegetables, beans, lentils, meat, poultry, fish, eggs, milk, plain yogurt, rice, pasta, corn meal, flour, coffee, tea and herbs and spices.

Processed culinary ingredients, such as cooking oils, butter, sugar, honey, vinegar and salt.

If you look at the ingredient list and you see things that you wouldn’t use in home cooking, then that’s probably an ultraprocessed food,”

his group includes freshly baked bread, most cheeses and canned vegetables, beans and fish. These foods may contain preservatives that extend shelf life.

Ultraprocessed foods made using industrial methods and ingredients you wouldn’t typically find in grocery stores — like high-fructose corn syrup, hydrogenated oils and concentrated proteins like soy isolate.

They often contain additives like flavorings, colorings or emulsifiers to make them appear more attractive and palatable.

Think sodas and energy drinks, chips, candies, flavored yogurts, margarine, chicken nuggets, hot dogs, sausages, lunch meats, boxed macaroni and cheese, infant formulas and most packaged breads, plant milks, meat substitutes and breakfast cereals.

Processed foods made by combining foods from Category 1 with the ingredients of Category 2 and preserving or modifying them with relatively simple methods like canning, bottling, fermentation and baking

That has led to debate among nutrition experts about whether it’s useful for describing the healthfulness of a food, partly since many UPFs — like whole grain breads, flavored yogurts and infant formulas — can provide valuable nutrients

Most research linking UPFs to poor health is based on observational studies, in which researchers ask people about their diets and then track their health over many years.

Why might UPFs be harmful?

In a large review of studies that was published in 2024, scientists reported that consuming UPFs was associated with 32 health problems, with the most convincing evidence for heart disease-related deaths, Type 2 diabetes and common mental health issues like anxiety and depression.

Such studies are valuable, because they can look at large groups of people — the 2024 review included results from nearly 10 million — over the many years it can take for chronic health conditions to develop

She added that the consistency of the link between UPFs and health issues increased her confidence that there was a real problem with the foods.

But the observational studies also have limitations,

It’s true that there is a correlation between these foods and chronic diseases, she said, but that doesn’t mean that UPFs directly cause poor health.

Dr. O’Connor questioned whether it’s helpful to group such “starkly different” foods — like Twinkies and breakfast cereals — into one category. Certain types of ultraprocessed foods, like sodas and processed meats, are more clearly harmful than others

UPFs like flavored yogurts and whole grain breads, on the other hand, have been associated with a reduced risk of developing Type 2 diabetes.

Clinical trials are needed to test if UPFs directly cause health problems, Dr. O’Connor said. Only one such study, which was small and had some limitations, has been done, s

In that study, published in 2019, 20 adults with a range of body sizes lived in a research hospital at the National Institutes of Health for four weeks. For two weeks, they ate mainly unprocessed or minimally processed foods, and for another two weeks, they ate mainly UPFs. The diets had similar amounts of calories and nutrients, and the participants could eat as much as they wanted at each meal.

During their two weeks on the ultraprocessed diet, participants gained an average of two pounds and consumed about 500 calories more per day than they did on the unprocessed diet

During their time on the unprocessed diet, they lost about two pounds.

That finding might help explain the link between UPFs, obesity and other metabolic conditions

The Nova system notably doesn’t classify foods based on nutrients like fat, fiber, vitamins or minerals. It’s “agnostic to nutrition,”

There are many “strong opinions” about why ultraprocessed foods are unhealthy, Dr. Hall said. “But there’s actually not a lot of rigorous science” on what those mechanisms are

Because UPFs are often cheap, convenient and accessible, they’re probably displacing healthier foods from our diets

the foods could be having more direct effects on health. They can be easy to overeat — maybe because they contain hard-to-resist combinations of carbohydrates, sugars, fats and salt, are high-calorie and easy to chew

It’s also possible that resulting blood sugar spikes may damage arteries or ramp up inflammation, or that certain food additives or chemicals may interfere with hormones, cause a “leaky” intestine or disrupt the gut microbiome.

Researchers, including Dr. Hall and Dr. Davy, are beginning to conduct small clinical trials that will test some of these theories.

most researchers think there are various ways the foods are causing harm. “Rarely in nutrition is there a single factor that fully explains the relationship between foods and some health outcome,”

In 2014, Dr. Monteiro helped write new dietary guidelines for Brazil that advised people to avoid ultraprocessed foods.

Other countries like Mexico, Israel and Canada have also explicitly recommended avoiding or limiting UPFs or “highly processed foods.”

The U.S. dietary guidelines contain no such advice, but an advisory committee is currently looking into the evidence on how UPFs may affect weight gain, which could influence the 2025 guidelines.

It’s difficult to know what to do about UPFs in the United States, where so much food is already ultraprocessed and people with lower incomes can be especially dependent on them,

“At the end of the day, they are an important source of food, and food is food,” Dr. Mattei added. “We really cannot vilify them,”

While research continues, expert opinions differ on how people should approach UPFs.

the safest course is to avoid them altogether

to swap flavored yogurt for plain yogurt with fruit, for example, or to buy a fresh loaf from a local bakery instead of packaged bread, if you can afford to do so

Dr. Vadiveloo suggested a more moderate strategy, focusing on limiting UPFs that don’t provide valuable nutrients, like soda and cookies

She also recommended eating more fruits, vegetables, whole grains (ultraprocessed or not), legumes, nuts and seeds.

Cook at home as much as you can, using minimally processed foods

guided by a fascination with the wayward paths to fame, he half-unwittingly sows doubt about the justice of the American rise to artistic leadership in the postwar era. In his erudite account, artistic success owes little to vision and purpose, more to self-promotion, but most to unanticipated adoption by bigger systems with other aims, principally oriented toward money, political advantage, or commercial churn

For the greatness and inevitability of artistic consecration, Menand substitutes the arbitrary confluences of forces at any given moment.

The curriculum runs chapter by chapter through George Kennan, George Orwell, Jean-Paul Sartre, Hannah Arendt, Jackson Pollock, Lionel Trilling, Allen Ginsberg, Claude Lévi-Strauss, Robert Rauschenberg and John Cage, Elvis and the Beatles, Isaiah Berlin, James Baldwin, Jack Kerouac, Andy Warhol, Susan Sontag, and Pauline Kael. Each biography opens a door to a school or trend of work

Menand’s is not a “great man” view of history, because no one seems particularly great. One gets a feeling for Sartre as a person, a limited knowledge of how Sartre made Being and Nothingness, and a vivid sense of how the book made Sartre a celebrity. Then one learns how a troupe of others came along and rode his success like a sled.

Menand zooms in and out between individual egomaniacs and the milieus that facilitated their ascent and profited from their publicity.

group biographies, in miniature, of the existentialists, the Beats, the action painters, the Black Mountain School, the British Invasion, the pop artists, and many coteries more—are enchanting singly but demoralizing as they pile up

All of these enterprises look like hives of social insects, not selfless quests for truth or beauty. Menand is a world-class entomologist: He can name every indistinguishable drone, knows who had an oversize mandible, who lost a leg, who carried the best crumbs.

From this vantage, the monuments really are just anthills.

Menand is truly one of the great explainers. He quotes approvingly a lesson taken by Lionel Trilling from his editor Elliot Cohen: “No idea was so difficult and complex but that it could be expressed in a way that would make it understood by anyone to whom it might conceivably be of interest.”

The underlying theory of the book rests on a picture of what makes for “cultural winners,” works and ideas that Menand defines as

He is accurate, he is insightful, and he is not a dumber-downer

Menand’s account of each is an abbreviated tour de force. His explanations work at all levels: interpretation for scholars, review for general readers, introductions for neophytes. Where another writer would take 20 pages to tell us why someone or something mattered historically, Menand does it in two.

goods or styles that maintain market share through “generational” taste shifts—that is, through all the “the king is dead; long live the king” moments that mark the phases of cultural history for people living through it.

Menand’s recountings are less concerned with the changing meanings of individual works than with their successive adoptions and co-optations, in defiance of depth and meaning. It is a process of “winning” often based on cults of personality, indifference to complex origins, and the fortune or misfortune of timing

Menand is notably excellent on how commercial, regulatory, and technological changes determined which kinds of artwork made it to the public. His analysis helps demystify trends in commercial forms like film and pop music, especially when they otherwise seemed to run against the grain of pure profit

Often Menand’s point seems to be that the culture’s reigning talkers and salespeople and debaters need to conjure figures to venerate and attack (in ceaseless alternation) for short-range purposes of attention and competition. Any given work—1984, say, or Bonnie and Clyde—isn’t much of anything until it becomes a counter in other people’s games.

The central question of this period in culture might be whether U.S. artists lived up to expectations

In 1945, Europe was in ruins. America was rich and productive and dictated the terms of the postwar economic and political order. Certainly the U.S. had the power to pretend to cultural glory, too. But was it a pretense, or did Americans really continue and exceed the prewar triumphs of European modernism?

Most histories of the arts after 1945 assume that the greatest American successes deserved their fame.

The thrust of many of Menand’s retellings is that “in the business of cultural exchange, misprision is often the key to transmission.” Fame comes through misreadings, fantasies, unintended resonances, charisma, and publicity.

Menand’s book bequeaths the sense that the last laugh may truly have been on the self-seriousness of a whole historical period, one that treated its most publicized and successful arts figures far too generously, giving them too much credit for depth and vision, while missing the cynical forces by which they’d been buoyed up and marketed

“Foreign film” in America in the ’50s and ’60s—when independent art cinemas emerged, showing imports such as work by Ingmar Bergman and the French New Wave—proves to have been energized by a successful federal-government antitrust action against the monopolistic Hollywood studios

The idea of a “culture industry”

is used unironically by Menand to name the vastly scaled-up production and consumption of all artistic experience. “The culture industries, as they expanded, absorbed and commercialized independent and offbeat culture-makers, and the university, as it expanded, swallowed up the worlds of creative writing and dissident political opinion.”

With his eye on this process, we miss out on artists and thinkers who dug deep and stayed home, who produced as hermits or eccentrics or introverted students of their art

Where did rock ’n’ roll come from?” Menand wonders. He answers that it was “the by-product of a number of unrelated developments in the American music business” that redirected sales to teenagers, and also the result of new radio-station competition, the partial racial desegregation of the music charts, and the arrival of 200-disc jukeboxes

I can imagine The Free World leaving my hypothetical college senior, denizen of the bleak attention economy of the 21st century, feeling liberated to discover that culture was no better—no more committed to a quest for what is true, noble, lasting, and beautiful—in the world of the Baby Boomers and beaming grandparents.

The book is so masterful, and exhibits such brilliant writing and exhaustive research, that I wonder whether Menand could truly have intended where his history of the postwar era landed me. I learned so much, and ended up caring so much les

Dr. Longo, who is also a professor of gerontology and director of the U.S.C. Longevity Institute in California, has long advocated longer and better living through eating Lite Italian, one of a global explosion of Road to Perpetual Wellville theories about how to stay young in a field that is itself still in its adolescence.

In addition to identifying genes that regulate aging, he has created a plant and nut-based diet with supplements and kale crackers that mimics fasting to, he argues, allow cells to shed harmful baggage and rejuvenate, without the down side of actually starving.

He has patented and sold his ProLon diet kits; published best-selling books (“The Longevity Diet”); and been called an influential “Fasting Evangelist” by Time magazine.

Last month, he published a new study based on clinical trials of hundreds of older people — including in the Calabria town from which his family hails — that he said suggests that periodic cycles of his own faux-fasting approach could reduce biological age and stave off illnesses associated with aging.

“It’s very similar to the original Mediterranean diet, not the present one,” she said, pointing at photographs on the wall of a bowl of ancient legumes similar to the chickpe

“Almost nobody in Italy eats the Mediterranean diet,”

He added that many Italian children, especially in the country’s south, are obese, bloated on what he calls the poisonous five Ps — pizza, pasta, protein, potatoes and pane (or bread).

in recent years, Silicon Valley billionaires who hope to be forever young have funded secretive labs. Wellness articles have conquered newspaper home pages and Fountains-of-Youth workout and diet ads featuring insanely fit middle-aged people teem on the social media feeds of not insanely fit middle-aged people.

he said Italy’s lack of investment in research was a disgrace.

even as concepts like longevity, intermittent fasting and biological age — you’re only as old as your cells feel! — have gained momentum, governments like Italy’s are fretting over a creakier future in which booming populations of old people drain resources from the dwindling young.

many scientists, nutritionists and longevity fanatics the world over continue to stare longingly toward Italy, seeking in its deep pockets of centenarians a secret ingredient to long life.

“Probably they kept breeding between cousins and relatives,” Dr. Longo offered, referring to the sometimes close relations in little Italian hill towns. “At some point, we suspect it sort of generated the super-longevity genome.”

The genetic drawbacks of incest, he hypothesized, slowly vanished because those mutations either killed their carriers before they could reproduce or because the town noticed a monstrous ailment — like early onset Alzheimer’s — in a particular family line and steered clear.

Dr. Longo wonders whether Italy’s centenarians had been protected from later disease by a starvation period and old-fashioned Mediterranean diet early in life, during rural Italy’s abject war-era poverty. Then a boost of proteins and fats and modern medicine after Italy’s postwar economic miracle protected them from frailty as they got older and kept them alive.

At age 16, he moved to Chicago to live with relatives and couldn’t help notice that his middle-aged aunts and uncles fed on the “Chicago diet” of sausages and sugary drinks suffered diabetes and cardiovascular disease that their relatives back in Calabria did not.

He eventually earned his Ph.D in biochemistry at U.C.L.A. and did his postdoctoral training in the neurobiology of aging at U.S.C. He overcame early skepticism about the field to publish in top journals and became a zealous evangelizer for the age-reversing effects of his diet. About 10 years ago, eager to be closer to his aging parents in Genoa, he took a second job at the IFOM oncology institute in Milan.

He found a fount of inspiration in the pescatarian-heavy diet around Genoa and all the legumes down in Calabria.

he also found the modern Italian diet — the cured meats, layers of lasagna and fried vegetables the world hungered for — horrendous and a source of disease.

His private foundation, also based in Milan, tailors diets for cancer patients, but also consults for Italian companies and schools, promoting a Mediterranean diet that is actually foreign to most Italians today.

“Italy’s got such incredible history and a wealth of information about aging,” he said. “But spends virtually nothing.”

He talked about how he and others had identified an important regulator of aging in yeast, and how he has investigated whether the same pathway was at work in all organisms.

Dr. Longo said he thinks of his mission as extending youth and health, not simply putting more years on the clock, a goal he said could lead to a “scary world,” in which only the rich could afford to live for centuries, potentially forcing caps on having children

A more likely short-term scenario, he said, was division between two populations. The first would live as we do now and reach about 80 or longer through medical advancements. But Italians would be saddled with long — and, given the drop in the birthrate, potentially lonely — years burdened by horrible diseases.

The other population would follow fasting diets and scientific breakthroughs and live to 100 and perhaps 110 in relative good health.

[Science fiction’s influence]…leaves us facing a future we were all warned about, courtesy of dystopian novels mistaken for instruction manuals…[T]he billionaires behind the steering wheel have mistaken cautionary tales and entertainments for a road map, and we’re trapped in the passenger seat.

t even then it would be hard to argue exogeneity, since censorship is a response to society’s values as well as a potential cause of them.

Stross is alleging that the billionaires are getting Gernsback and Campbell’s intentions exactly right. His problem is simply that Gernsback and Campbell were kind of right-wing, at least by modern standards, and he’s worried that their sci-fi acted as propaganda for right-wing ideas.

The question of whether literature has a political effect is an empirical one — and it’s a very difficult empirical one. It’s extremely hard to test the hypothesis that literature exerts a diffuse influence on the values and preconceptions of the citizenry

I think Stross really doesn’t come up with any credible examples of billionaires mistaking cautionary tales for road maps. Instead, most of his article focuses on a very different critique — the idea that sci-fi authors inculcate rich technologists with bad values and bad visions of what the future ought to look like:

I agree that the internet and cell phones have had an ambiguous overall impact on human welfare. If modern technology does have a Torment Nexus, it’s the mobile-social nexus that keeps us riveted to highly artificial, attenuated parasocial interactions for every waking hour of our day. But these technologies are still very young, and it remains to be seen whether the ways in which we use them will get better or worse over time.

There are very few technologies — if any — whose impact we can project into the far future at the moment of their inception. So unless you think our species should just refuse to create any new technology at all, you have to accept that each one is going to be a bit of a gamble.

As for weapons of war, those are clearly bad in terms of their direct effects on the people on the receiving end. But it’s possible that more powerful weapons — such as the atomic bomb — serve to deter more deaths than they cause

yes, AI is risky, but the need to manage and limit risk is a far cry from the litany of negative assumptions and extrapolations that often gets flung in the technology’s directio

I think the main problem with Harper’s argument is simply techno-pessimism. So far, technology’s effects on humanity have been mostly good, lifting us up from the muck of desperate poverty and enabling the creation of a healthier, more peaceful, more humane world. Any serious discussion of the effects of innovation on society must acknowledge that. We might have hit an inflection point where it all goes downhill from here, and future technologies become the Torment Nexuses that we’ve successfully avoided in the past. But it’s very premature to assume we’ve hit that point.

I understand that the 2020s are an exhausted age, in which we’re still reeling from the social ructions of the 2010s. I understand that in such a weary and fearful condition, it’s natural to want to slow the march of technological progress as a proxy for slowing the headlong rush of social progress

And I also understand how easy it is to get negatively polarized against billionaires, and any technologies that billionaires invent, and any literature that billionaires like to read.

But at a time when we’re creating vaccines against cancer and abundant clean energy and any number of other life-improving and productivity-boosting marvels, it’s a little strange to think that technology is ruining the world

The dystopian elements of modern life are mostly just prosaic, old things — political demagogues, sclerotic industries, social divisions, monopoly power, environmental damage, school bullies, crime, opiates, and so on

a 2022 Reuters investigation found that some American clinics were quite aggressive with treatment: None of the 18 U.S. clinics that Reuters looked at performed long assessments on their patients, and some prescribed puberty blockers on the first visit.

As Cass writes in her report, “The toxicity of the debate is exceptional.” She continues, “There are few other areas of health care where professionals are so afraid to openly discuss their views, where people are vilified on social media and where name-calling echoes the worst bullying behavior.”

The report’s greatest strength is its epistemic humility. Cass is continually asking, “What do we really know?” She is carefully examining the various studies — which are high quality, which are not. She is down in the academic weeds.

he notes that the quality of the research in this field is poor. The current treatments are “built on shaky foundations,” she writes in The BMJ. Practitioners have raced ahead with therapies when we don’t know what the effects will be. As Cass tells The BMJ, “I can’t think of another area of pediatric care where we give young people a potentially irreversible treatment and have no idea what happens to them in adulthood.”

Our natural human tendency is to be too confident in our knowledge, too quick to ignore contrary evidence. But these days it has become acceptable to luxuriate in those epistemic shortcomings, not to struggle against them. See, for example, the modern Republican Party.

In 1877 a British philosopher and mathematician named William Kingdon Clifford published an essay called “The Ethics of Belief.” In it he argued that if a shipowner ignored evidence that his craft had problems and sent the ship to sea having convinced himself it was safe, then of course we would blame him if the ship went down and all aboard were lost. To have a belief is to bear responsibility, and one thus has a moral responsibility to dig arduously into the evidence, avoid ideological thinking and take into account self-serving biases.

“It is wrong always, everywhere, and for anyone, to believe anything upon insufficient evidence,” Clifford wrote

A belief, he continued, is a public possession. If too many people believe things without evidence, “the danger to society is not merely that it should believe wrong things, though that is great enough; but that it should become credulous, and lose the habit of testing things and inquiring into them; for then it must sink back into savagery.”

Since the Trump years, this habit of not consulting the evidence has become the underlying crisis in so many realms. People segregate into intellectually cohesive teams, which are always dumber than intellectually diverse teams. Issues are settled by intimidation, not evidence

her core conclusion is this: “For most young people, a medical pathway will not be the best way to manage their gender-related distress.” She realizes that this conclusion will not please many of the young people she has come to know, but this is where the evidence has taken her.

She writes in her report, “The option to provide masculinizing/feminizing hormones from age 16 is available, but the review would recommend extreme caution.

In the 1960s fantasyland goes into overdrive. Psychedelics, academic scholarship and the New Age movement conspire to make reason and reality the realms of idiots and squares.

After the Kennedy assassinations, conspiracy theories become not just a fringe hobby but a “permanent feature of the American mental landscape.” U.F.O. sightings explode, and the stories become ever more elaborate

In the meantime, a kind of comfort with small fibs settles into the populace. When Andersen was young, he recalls, it was rare to see a woman over 50 whose hair was not gray or white. And apparently there were only eight plastic surgeons in all of Manhattan. But the market for hair color and plastic surgery explodes, as America starts writing its “national fiction of permanent youthfulness.”

the most persistent thread in “Fantasyland” is Christianity — the astounding number of Americans who believe in heaven and angels, which most of Europe gave up decades ago

Andersen reserves a starring role for the secular spiritualists. They were supposed to be a counterpoint to narrow-minded evangelicals, but Andersen says the New Agers committed an even greater sin than the faithful. What Anne Hutchinson started, Gestalt therapy finished off in the ’60s. Fritz Perls, a psychotherapist and Gestalt founder, simply put it: “I do my thing and you do your thing. I am not in this world to live up to your expectations, and you are not in this world to live up to mine.” Or put more simply: You do you.

If there’s a flaw in this book, it’s repetitiveness. Andersen seems by nature a collector. He goes for wide rather than deep. So he doesn’t examine, for example, how we would separate the junk from the gems

What we Americans need, it would seem, is something more powerful. A story to end all stories, preached by someone with the fire of Anne Hutchinson. A collective delusion so seductive that it will have us all, in Locke-step, bowing down to reason and reality.

our real progenitors were the Puritans, who passed the weeks on the trans-Atlantic voyage preaching about the end times and who, when they arrived, vowed to hang any Quaker or Catholic who landed on their shores. They were zealots and also well-educated British gentlemen, which set the tone for what Andersen identifies as a distinctly American endeavor: propping up magical thinking with elaborate scientific proof.

In Andersen’s telling, you can easily trace the line from the self-appointed 17th-century prophet Anne Hutchinson to Kanye West: She was, he writes, uniquely American “because she was so confident in herself, in her intuitions and idiosyncratic, subjective understanding of reality,” a total stranger to self-doubt.

As he explains in what must have been an alarmingly self-confirming last chapter: Donald Trump is “stupendous Exhibit A” in the landscape of “Fantasyland,” a fitting leader for a nation that has, over the centuries, nurtured a “promiscuous devotion to the untrue.”

Reading their books, he tells us, can be as exciting as reading a great novel or poem. In particular, Krishnan emphasizes the virtues they embodied in themselves and their work. “Some of these virtues were, by any reckoning, moral ones: humility, self-awareness, collegiality, restraint. Others are better thought aesthetic: elegance, concision, directness.”

Consider Gilbert Ryle. As the Waynflete professor of metaphysics, he was asked if he ever read novels, to which he replied, “All six of them, once a year.” Jane Austen’s, of course.

Another time, an American visitor wondered if it was true that Ryle, as editor of the journal Mind, would “accept or reject an article on the basis of reading just the first paragraph.” “That used to be true at one time,” Ryle supposedly answered. “I had a lot more time in those days.”

J.L. Austin gradually emerges as the central figure. “He listened, he understood, and when he started to speak, with the piercing clarity he brought to all things, philosophical or not, it ‘made one’s thoughts race.’”

Oxford discussion groups and tutorials tried to avoid those “cheap rhetorical ploys” that aim “at victory and humiliation rather than truth.” Instead their unofficial motto stressed intellectual fraternity: “Let no one join this conversation who is unwilling to be vulnerable.”

their meetings continually resounded with “short, punchy interrogations” that aimed “to clarify positions, pose objections and expose inconsistencies.”

Austin “wanted to be, all he wanted other people to be, was rational.” His highest praise was to call someone “sensible.”

When Oxford announced plans to award Truman an honorary degree, Anscombe objected. She wasn’t protesting against nuclear weapons per se (as was Bertrand Russell) but simply standing up for what she regarded as an inviolable principle: “Choosing to kill the innocent as a means to your ends is always murder.” End of argument. Anscombe’s was a lonely voice, however, except for the support of her philosopher friend, Philippa Foot, whose imposing manner Krishnan brilliantly captures: “She looked like the sort of young woman who knew how to get a boisterous dog to sit.”

Despite the sheer entertainment available in “A Terribly Serious Adventure,” readers will want to slow down for its denser pages outlining erudite theories or explaining category mistakes and other specialized terms

All these philosophers, as well as a half-dozen others I haven’t been able to mention, come across as both daunting and charismatic

Rising inflation has led to surging prices for groceries, cars and many essentials. The cost of a college education has skyrocketed in two decades, with the average student debt for federal loans at $37,000, according to the Education Department. Overall debts for Americans in their 30s jumped 27% from late 2019 to early 2023—steeper than for any other age group.

home prices have risen considerably, while wages haven’t kept pace.

“What Dave Ramsey really misses is any kind of social context,” says Morgan Sanner, a

She began paying off $48,000 in student loans (a Ramsey do) and also took out a loan to buy a 2016 Honda (a Ramsey don’t). Her rationale was that it was safer to pay extra for a more reliable car than a junker she could buy with cash. S

he feels these sorts of real-life decisions don’t factor into his advice.

When she saw a comment from Ramsey online about how people receiving pandemic stimulus payments were “pretty much screwed already,” Israel felt it came across as shaming people. The pandemic shutdowns ended a decadelong economic expansion for Black Americans, a disproportionate number of whom lost their jobs and relied on those checks.

“Moralizing financial decisions is very damaging to marginalized groups,” says Israel, who is Black.

Many young adults scratch their heads over his advice that people should let their credit scores dwindle and die.

People need a good credit score, says Mandy Phillips, a 39-year-old residential mortgage loan originator in Redding, Calif. She uses TikTok and other social media to educate millennials and Gen Z about home buying. Scores are vital when applying for mortgages and rentals.

She also takes issue with Ramsey’s advice to only obtain a home loan if you can take out a 15-year fixed-rate mortgage with a down payment of at least 10%. Few younger buyers can pay the large monthly bills of shorter-term mortgages.

“That may have worked years ago in the ’80s and ’90s, but that’s not something that is achievable for the average American,” Phillips says.

Housing is a particularly hot-button topic. He advises people to only buy a house with their lawfully wedded spouse. Yet many young adults are pooling their finances with partners, friends or roommates to buy their first homes. 

Ramsey is perhaps best known for advocating a “debt snowball method”: People with multiple loans pay off the smallest balances first, regardless of interest rate. As you knock out each loan, he says, the money you have to put toward larger debt snowballs. Seeing small wins motivates people to keep going, he says.Conventional economic theory would be to pay off the highest-interest loans first, says James Choi, a finance professor at the Yale School of Management, who has studied the advice of popular finance gurus.

Ramsey’s save-not-spend message sounds logical, young adults say. It’s his all-or-nothing approach that doesn’t work for them.

Kate Hindman, a 31-year-old administrative assistant in Pasadena, Calif., who has taken an anti-Ramsey stance on TikTok, ended up with $30,000 in credit-card debt after she and her husband faced income-reducing job changes. They’ve since turned it into a consolidation loan with an 8% interest rate and pay about $1,200 a month.

She wonders if the debt aversion is generational. Perhaps younger people are less willing to make huge sacrifices to be debt-free. Maybe carrying some amount of debt forever is a new normal.

Du Bois’s quote, “Either the United States will destroy ignorance or ignorance will destroy the United States,” serves as a poignant reminder of the importance of education, understanding and open discourse in addressing societal challenges.

“Over 80 technical papers published since January 2022,” LeCun responded. “What about you?”

To which Musk posted: “That’s nothing, you’re going soft. Try harder!

At stake are the hearts and minds of AI experts—academic and otherwise—needed to usher in the technology

“Join xAI,” LeCun wrote, “if you can stand a boss who:– claims that what you are working on will be solved next year (no pressure).– claims that what you are working on will kill everyone and must be stopped or paused (yay, vacation for 6 months!).– claims to want a ‘maximally rigorous pursuit of the truth’ but spews crazy-ass conspiracy theories on his own social platform.”

Some read Musk’s “science” dig as dismissing the role research has played for a generation of AI experts. For years, the Metas and Googles of the world have hired the top minds in AI from universities, indulging their desires to keep a foot in both worlds by allowing them to release their research publicly, while also trying to deploy products. 

For an academic such as LeCun, published research, whether peer-reviewed or not, allowed ideas to flourish and reputations to be built, which in turn helped build stars in the system.

LeCun has been at Meta since 2013 while serving as an NYU professor since 2003. His tweets suggest he subscribes to the philosophy that one’s work needs to be published—put through the rigors of being shown to be correct and reproducible—to really be considered science. 

“If you do research and don’t publish, it’s not Science,” he posted in a lengthy tweet Tuesday rebutting Musk. “If you never published your research but somehow developed it into a product, you might die rich,” he concluded. “But you’ll still be a bit bitter and largely forgotten.” 

After pushback, he later clarified in another post: “What I *AM* saying is that science progresses through the collision of ideas, verification, analysis, reproduction, and improvements. If you don’t publish your research *in some way* your research will likely have no impact.”

The spat inspired debate throughout the scientific community. “What is science?” Nature, a scientific journal, asked in a headline about the dust-up.

Others, such as Palmer Luckey, a former Facebook executive and founder of Anduril Industries, a defense startup, took issue with LeCun’s definition of science. “The extreme arrogance and elitism is what people have a problem with,” he tweeted.

For Musk, who prides himself on his physics-based viewpoint and likes to tout how he once aspired to work at a particle accelerator in pursuit of the universe’s big questions, LeCun’s definition of science might sound too ivory-tower. 

Musk has blamed universities for helping promote what he sees as overly liberal thinking and other symptoms of what he calls the Woke Mind Virus. 

Over the years, an appeal of working for Musk has been the impression that his companies move quickly, filled with engineers attracted to tackling hard problems and seeing their ideas put into practice.

“I’ve teamed up with Elon to see if we can actually apply these new technologies to really make a dent in our understanding of the universe,” Igor Babuschkin, an AI expert who worked at OpenAI and Google’s DeepMind, said last year as part of announcing xAI’s mission. 

The creation of xAI quickly sent ripples through the AI labor market, with one rival complaining it was hard to compete for potential candidates attracted to Musk and his reputation for creating value

that was before xAI’s latest round raised billions of dollars, putting its valuation at $24 billion, kicking off a new recruiting drive. 

It was already a seller’s market for AI talent, with estimates that there might be only a couple hundred people out there qualified to deal with certain pressing challenges in the industry and that top candidates can easily earn compensation packages worth $1 million or more

Since the launch, Musk has been quick to criticize competitors for what he perceived as liberal biases in rival AI chatbots. His pitch of xAI being the anti-woke bastion seems to have worked to attract some like-minded engineers.

As for Musk’s final response to LeCun’s defense of research, he posted a meme featuring Pepé Le Pew that read: “my honest reaction.”