X Eric Daugherty: Charlie Kirk nailed it.

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New Atlas: Your brain makes drastic changes at these five points in life

Your brain makes drastic changes at these five points in life

By Michael Franco

November 25, 2025

By observing MRI scans from nearly 4,000 people of all ages, Cambridge researchers uncovered the five epochs of human brain development

By observing MRI scans from nearly 4,000 people of all ages, Cambridge researchers uncovered the five epochs of human brain development

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In a new study, researchers discovered that the human brain has four pivotal periods when it goes through marked changes, sparking five “epochs” that last for years. The adolescent phase, for example, was found to extend into our early 30s.

To carry out the study, researchers at the University of Cambridge looked at data from 3,802 people ranging from newborns to 90 years old who had undergone MRI diffusion scans. These scans track the movement of water molecules through brain tissue, which helps scientists map the pathways of neural connections.

The study found that there are four times in our lives when the brain undergoes significant topological changes before stabilizing for a period of years. Each of these times kicks off another phase in the structure and organization of our brains, which can impact our thinking and potentially help scientists going forward better understand brain development and conditions that might impact it.

“We know the brain’s wiring is crucial to our development, but we lack a big picture of how it changes across our lives and why,” said Dr. Alexa Mousley, a Gates Cambridge Scholar who led the research. “These eras provide important context for what our brains might be best at, or more vulnerable to, at different stages of our lives. It could help us understand why some brains develop differently at key points in life, whether it be learning difficulties in childhood, or dementia in our later years.”

The first phase was found to run from birth to around age nine. This phase is marked by what’s known as “network consolidation,” during which the huge array of synapses we are born with are slowly reduced, making space for the most active ones to survive. It’s also a period of time during which gray and white matter grow quickly, leading to a peak of our cortical thickness – the brain’s outer layer which thins with age and neurological conditions like Alzheimer’s disease.

After approximately age nine, the brain enters its adolescent phase. During this phase, the brain works to make neural connections shorter, and therefore more efficient – both in specific regions and across the entire brain. Surprisingly, the adolescent phase lasts until about age 32.

After that point, the brain moves into the adult phase and that shift marks the strongest turning point in the brain’s evolution, say the researchers.

“Around the age of 32, we see the most directional changes in wiring and the largest overall shift in trajectory, compared to all the other turning points,” said Mousley.

The adult phase marks the longest epoch of brain evolution. During this time, the brain remains relatively stable with not much change happening for about 30 years. There is, however, a gradual shift toward a segregating process in which brain regions become more compartmentalized.

The next shift in brain evolution comes around age 66 and once again is nowhere near as dramatic as the changes that solidify in our early 30s. In this phase, the brain still works to reorganize itself, although that process slows and cortical thickness begins to lessen.

“The data suggest that a gradual reorganization of brain networks culminates in the mid-sixties,” said Mousley. “This is probably related to aging, with further reduced connectivity as white matter starts to degenerate. This is an age when people face increased risk for a variety of health conditions that can affect the brain, such as hypertension.”

The final phase of brain evolution kicks in around age 83. While the researchers say data for this period of time was hard to come by, they did find out that the brain begins to shift its processing from a global model to a more localized one, leading people to rely on specific regions for cognition rather than processing across the entire organ.

“Many neurodevelopmental, mental health and neurological conditions are linked to the way the brain is wired,” concluded senior study author Duncan Astle. “Indeed, differences in brain wiring predict difficulties with attention, language, memory, and a whole host of different behaviors. Understanding that the brain’s structural journey is not a question of steady progression, but rather one of a few major turning points, will help us identify when and how its wiring is vulnerable to disruption.”

The study has been published in the journal Nature Communications.

Source: University of Cambridge

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The Rundown AI: Breakdown of Society Prediction?

Godfather of AI Predicts Total Breakdown of Society

Tech billionaires “are really betting on AI replacing a lot of workers.”

By Frank Landymore

Published Nov 25, 2025 11:19 AM EST

British computer scientist and AI "godfather" Geoffrey Hinton predicts the disastrous effects AI will have on our fragile society.
Illustration by Tag Hartman-Simkins / Futurism. Source: Jorge Uzon / AFP via Getty Images

Geoffrey Hinton, one of the three so-called “godfathers” of AI, never misses an opportunity to issue foreboding proclamations about the tech he helped create.

During an hour-long public conversation with Senator Bernie Sanders at Georgetown University last week, the British computer science laid out all the alarming ways that he forecasts AI will completely upend society for the worst, seemingly leaving little room for human contrivances like optimism. One of the reasons why is that AI’s rapid deployment will be completely unlike technological revolutions in the past, which created new classes of jobs, he said.

“The people who lose their jobs won’t have other jobs to go to,” Hinton said, as quoted by Business Insider. “If AI gets as smart as people — or smarter — any job they might do can be done by AI.”

“These guys are really betting on AI replacing a lot of workers,” Hinton added.

Hinton pioneered the deep learning techniques that are foundational to the generative AI models fueling the AI boom today. His work on neural networks earned him a Turing Award in 2018, alongside University of Montreal researcher Yoshua Bengio and the former chief AI scientist at Meta Yann LeCun. The trio are considered to be the “godfathers” of AI.

All three scientists have been outspoken about the tech’s risks, to varying degrees. But it was Hinton who first began to turn the most heads when he said he regretted his life’s work after stepping down from his role at Google in 2023.

He hasn’t changed his tune since then. He has consistently warned that AI will destroy jobs and create massive unemployment. This month, Hinton then injected more fatalism into this prediction by opining that the AI industry couldn’t turn a profit without replacing human labor.

In his discussion with Sanders, Hinton reiterated these risks, adding that the multibillionaires spearheading AI, like Elon Musk, Mark Zuckerberg, and Larry Ellison haven’t really “thought through” the fact that “if the workers don’t get paid, there’s nobody to buy their products,” he said, per BI.

Previously, Hinton has said it wouldn’t be “inconceivable” that humankind gets wiped out by AI. He also believes we’re not that far away from achieving an artificial general intelligence, or AGI,  a hypothetical AI system with human or superhuman levels of intelligence that is able to perform a vast array of tasks, which the AI industry is obsessed with building.

“Until quite recently, I thought it was going to be like 20 to 50 years before we have general purpose AI,” Hinton said in 2023. “And now I think it may be 20 years or less.”

Strikingly, Hinton now claims that the latest models like OpenAI’s GPT-5 “know thousands of times more than us already.”

While leading large language models are trained on a corpus of data vastly exceeding what a human could ever learn, many experts would disagree that this means that the AI actually “knows” what it’s talking about. Moreover, many efforts to replace workers with semi-autonomous models called AI agents have often failed embarrassingly, including in customer support roles that many predicted were the most vulnerable to being outmoded. In other words, it’s not quite set in stone that the tech will be to so easily replace even low-paying jobs.

Nonetheless, never put it past your overlords to find a way how to screw you over anyway. AI machines could be a great tool for carrying out imperial actions abroad; deploying AI robots to fight overseas would be great for the US military industrial complex, Hinton argued, since there wouldn’t be dead soldiers to cause “political blowback.”

“I think it will remove one of the main barriers to rich powerful countries just invading little countries like Granada,” Hinton told Sanders.

More on AI: Mark Zuckerberg Accused of Doing Unforgivable Things to Teens on Meta

Frank Landymore

Contributing Writer

I’m a tech and science correspondent for Futurism, where I’m particularly interested in astrophysics, the business and ethics of artificial intelligence and automation, and the environment.

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The Deep View: AI and rare diseases

Researchers reveal AI for discovering rare diseases
AI is getting better at scientific discovery. 
On Monday, a group of researchers from the Centre for Genomic Regulation in Barcelona unveiled an AI model capable of discovering previously unknown human genetic mutations that are linked to diseases, outperforming Google DeepMind’s AlphaMissense in some areas. The model could help medical professionals better understand and treat rare diseases. 
The model, called popEVE, was built in partnership with Harvard Medical School and examines the evolutionary diversity of genetic sequences for hundreds of thousands of animal species for genetic mutations to gauge whether certain ones might have negative effects. 
PopEVE was tested on 31,000 families that have kids with developmental disorders. In more than 500 cases where the kids had genetic mutations, the model was able to pick out that genetic mutation as damaging 98% of the time. 
This model is the latest example of researchers using AI to rapidly advance science. Google in particular has long been involved in AI for science, developing models for cancer cell researchprotein structure prediction and genetic mutation researchOpenAI and Microsoft also have initiatives dedicated to applying AI models to scientific research. 
However, these models might not be ready to take the lead in the lab just yet. OpenAI published research last week detailing its experiments with scientists using GPT-5. The findings showed that while this tech proved useful in helping researchers “expand the surface area of exploration and help researchers move faster toward correct results,” the model isn’t capable of performing experiments or solving scientific problems autonomously.
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The Rundown Tech: McKinsey: This is how AI is changing work

McKinsey: This is how AI is changing work
Image source: Ideogram / The Rundown
The Rundown: McKinsey dropped its AI jobs verdict: algorithms could swallow 57% of U.S. work hours. But before you panic-update your résumé, they say the future isn’t about machines replacing you, it’s about you becoming their conductor.
The details:
McKinsey pegs AI’s potential economic value at $2.9T in the U.S. by 2030 — but only if organizations redesign workflows for human-machine collaboration.More than 70% of the skills employers look for today are shared across both automatable and non-automatable roles, so there’s a large overlap. However, certain specialized cognitive skills — routine accounting, data entry, simple coding — face the biggest hit. Demand for “AI fluency” has grown sevenfold in two years, making it the fastest-growing skill in U.S. job postings.
Why it matters: The shift from execution to orchestration means your job probably survives, but only if you can pivot fast enough to manage the machines instead of mimicking them. Jobs demanding judgment, empathy, and social intelligence stay human, at least until the next breakthrough proves otherwise.
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The Rundown: Apple’s sales team hit by rare layoffs


🍎 Apple’s sales team hit by rare layoffs
Image source: Ideogram / The Rundown
The Rundown: Apple just carried out a rare round of layoffs, cutting dozens of roles across its global sales organization in a restructuring move, as first reported by Bloomberg’s Mark Gurman.
The details:
The axe fell on account managers handling major corporate, school, and government accounts, plus staff running Apple’s enterprise briefing centers. Management broke the news over the past couple of weeks, with employees saying the cuts blindsided them, given Apple’s famous aversion to layoffs. Apple says the restructuring is meant to “streamline” how it reaches customers and strengthen engagement, while insisting it is still hiring.
Why it matters: While Meta, Google, and Amazon slashed tens of thousands of jobs in 2023–2024, Apple mostly sidestepped the carnage, limiting cuts to specific projects. These layoffs remain minor compared to Apple’s total workforce, but notable in that the tech giant looks to generate record sales of $140B in the December quarter.
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Fear … TBI no sense of time and space. Being an outsider looking in. 30 years and answers go so far beyond the neurosurgeons and consultants of that time whose answer was merely no head injury is the same … go and adapt. No need to ask questions. But I say keep asking them. This is AI at its best being a synopsis of what gave me the most FEAR.

The feelings of having 

no sense of time and space and feeling like you are an outsider looking in on the world are recognized symptoms of a traumatic brain injury (TBI), specifically associated with depersonalization and derealization. These are real neurological and psychological symptoms resulting from the brain’s difficulty processing information correctly after an injury. 

Understanding the Symptoms

  • Loss of sense of time and space: This is a known result of a TBI, likely due to damage to brain regions like the frontal and temporal lobes that are involved in cognitive functions such as attention, working memory, and spatial orientation. You might have difficulty judging distances, reading maps, or estimating how much time has passed.
  • “Outside of the world looking in” (Derealization): This is a symptom of derealization, where the world around you feels unreal, distant, foggy, or dreamlike, as if you’re watching a movie.
  • “Feeling detached from yourself” (Depersonalization): This involves a sense of separation from your own body, thoughts, or feelings, as if you are a robot or an outside observer of your own life. 

Management and Treatment

These experiences can be very distressing, and it is important to seek professional help. The symptoms are often treatable, especially with a multidisciplinary approach. 

  • Seek professional evaluation: Consult with a doctor or a mental health professional experienced with brain injuries. They can rule out other conditions (like seizures or anxiety disorders, which can have similar symptoms) and develop a targeted treatment plan.
  • Neuro-optometric rehabilitation: Problems with vision and visual processing are a common cause of disorientation and balance issues after a TBI. A neuro-optometrist or neuro-ophthalmologist can provide specialized therapy, including prism glasses or eye exercises, to “rewire” the brain’s visual processing.
  • Occupational and physical therapy: Therapists can help you establish routines, use aids like timers to manage time-sensitive tasks, and work on exercises to improve balance and coordination, which can help alleviate feelings of disorientation in space.
  • Psychotherapy/CBT: Talk therapy, such as cognitive behavioral therapy (CBT), can provide coping strategies for dealing with the anxiety and frustration associated with these symptoms.
  • Medication: In some cases, medication (such as certain antidepressants or anticonvulsants) may be used to manage associated symptoms like anxiety, depression, or seizures, which can worsen the feelings of detachment.
  • Lifestyle adjustments:
    • Prioritize adequate sleep and a healthy diet.
    • Take frequent breaks from demanding activities.
    • Avoid bothersome light sources (e.g., fluorescent lights).
    • Reduce clutter to avoid visual overload.
    • Engage in regular, appropriate exercise, which can help with brain function and mood. 

Resources

  • The Brain Injury Association of America or Headway Ireland can provide information and support resources specific to TBI recovery.
  • If you or a loved one is in crisis or having thoughts of self-harm, call emergency services or a suicide and crisis hotline immediately (e.g., in the U.S., call or text the 988 Suicide & Crisis Lifeline). 

Recovery from TBI takes time, and the brain has an impressive ability to adapt. Working with specialists and utilizing coping strategies can significantly improve your symptoms and quality of life. 

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GZERO QUICKTAKE Ian Bremmer. Trump’s 28-point Ukraine – Russia peace plan

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Bulletin of the Atomic Scientists. ‘Big Car’ threat to humanity

How ‘Big Car’ poses an existential threat to humanity

By Jessica McKenzie | November 21, 2025

Arnie stares down“Christine” is a horror movie about an evil car, but the film could also be read as a parable about our deadly obsession with motor vehicles. Share

The title character of Christine, the 1983 film by John Carpenter based on the Stephen King novel of the same name, is an evil car—specifically a red 1958 Plymouth Fury. Christine is possessive, vindictive, and violent—murdering, or trying to, anyone who insults or injures her. After teen nerd Arnie lovingly restores the vintage automobile to her former glory, his infatuation with his four-wheeled companion threatens his relationships with his family, his best friend and new girlfriend, and, eventually, his life.

My only humble quibble with this premise is that the film presents Christine as uniquely destructive, instead of emblematic of the deadliness of all cars, and our obsession with them.

If you find yourself wanting to object, or to roll your eyes, consider this: Since the invention of the car, somewhere between 54 and 69 million people have died in traffic crashes; 6.3 to 9 million people have died from traffic-related air pollution; and as many as 5.7 million people have died from vehicle-based lead exposure. All told, cars have killed somewhere between 61 and 83 million people. As David Obst observes in his new book, Saving Ourselves From Big Car, cars have killed more people than World War II.

Obst is no stranger to going up against powerful forces. He’s worn many hats in his time—author, editor, film producer—but is perhaps best known for being the literary agent for Bob Woodward, Carl Bernstein, and Daniel Ellsberg, and for publishing and distributing Seymour Hersh’s exposé on the My Lai massacre. His only regret with this new book, he confided, is that Big Car collectively shrugged.

“I’m kind of disappointed and shocked that I didn’t get Big Car to come after me,” he said. “They just kind of ignored the book.”

Obst is not the only writer to take aim at car culture this year. There’s also Roadkill: Unveiling the True Cost of Our Toxic Relationship with Carsby Henrietta Moore and Arthur Kay, and Life After Cars: Freeing Ourselves from the Tyranny of the Automobile by Sarah Goodyear, Doug Gordon, and Aaron Naparstek. But I was intrigued by Obst’s explicit framing of the car as an existential threat. Because while Big Car kills many of us quickly, in deadly collisions, it is killing many more of us slowly, by polluting the environment, warming the Earth, sowing misinformation and doubt about climate science, and impeding attempts to redress these harms.

“I don’t think of the car as a villain,” Obst writes in his introduction (here, we may disagree). “Like you, I use my car almost every day. However, I now understand the price we’re all paying for it. It’s much too high. If we don’t stop Big Car, Big Car will destroy us.”

I recently reached Obst by phone to ask him about how he arrived at this thesis, whether it’s confusing to have the umbrella term Big Car when it overlaps significantly with the widely used phrase Big Oil, and where we go from here.

This interview has been edited for length and clarity.

Jessica McKenzie: Could you start by defining Big Car?

David Obst: Let me begin with a very brief history of how Big Car came into being. It all starts at the beginning of the 20th century, when the biggest cities’ biggest problem was the horse. New York City had 130,000 horses a day coming into the metropolitan area, each leaving 26 pounds of manure, and the cities became unlivable. So they invent the car. The first cars were electric, but as the need for precious metals for World War I grew, they quickly disappeared. For a short time, the external combustion engine—steam—prevailed, but it took forever to start them, and they weren’t convenient. The internal combustion engine eventually wins. It becomes the technology that Henry Ford adopts to mass produce cars.

One of the major themes of the book, and I’m probably leaping a little bit ahead, but this answers your question of, ‘What is Big Car?’ Because Big Car is not just the automobile manufacturers; it’s also the people who work with them. There’s the gasoline people, the insurance people, the asphalt people, the machine parts people, the lobbyists. All of these, taken together, have formed a kind of unholy alliance, which is going to make the Doomsday Clock speed up considerably.

And the reason for that is: Cars are not safe for human beings. The average vehicle on the road now is about equivalent to the size and weight of a German Panzer tank during World War II.

To go back to the early history of the car—in 1925, the internal combustion engine has prevailed. But it’s not an efficient user of its fuel, which was gasoline. You’re probably too young to remember, but cars were constantly backfiring and belching because it didn’t burn cleanly. So, in 1926, three wonderful corporations band together—Standard Oil, General Oil, and DuPont—and they form the Ethyl Corporation. The Ethyl Corporation comes up with a wonderful additive that allows internal combustion engines to burn fuel cleanly, and that additive was lead.

One of the things the Ethyl Corporation was able to do was to keep all the data on the effects of lead on human beings covered up for over 70 years. No research lab, no scientists, no university, no journalists ever knew the price we were paying in the name of their profit, and it was only through happenstance and the fact that there was a big oil spill in Santa Barbara, where I am, and Richard Nixon came out and was so appalled by it that for some reason, he formed the Environmental Protection Agency. Someone once described Nixon as the kind of guy who would chop down a redwood tree and then stand on the stump and give a speech about conservation.

As a result of that, the Clean Air Act was passed in 1970, which stipulated that every car that came off production line five years in the future must have a catalytic converter built into it [to reduce toxic components in auto exhaust]. The Ethyl Corporation was okay with this, because the catalytic converter hadn’t been invented yet. They assumed they’d have another decade before they would have to take their product, leaded ethyl gasoline, off the market. But Revenge of the Nerds is swift, and they did invent it, and it went into cars. In 1975 when these new cars came into gas stations and unsuspecting motorists filled their tanks with leaded gas, it would go into the engine and smother the catalytic converter and cause the car to die in the gas station. And gas stations just went crazy over this. So they had to very quickly change the nozzle size so that you couldn’t put leaded gasoline into a new car. And that’s how we finally got rid of leaded gasoline in America. [Editor’s note: Although leaded gasoline began to be phased out in the 1970s, it wasn’t fully banned until 1996, and even then there were still exceptions for small aircraft, farm equipment, and marine engines. Efforts to eliminate leaded fuel from aviation are ongoing.]

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McKenzie: Getting lead out of gasoline is one of the big wins against Big Car that you cover in the book. But in spite of that, you still describe Big Car as an ongoing existential crisis facing humanity. You write in chapter three, “This book is a story about how our addiction to the car can potentially wipe out humans.” Even as someone who’s pretty familiar with anti-car discourse, I don’t see many people go this far. How and why did you land at that conclusion?

Obst: The reason that I say it’s an existential threat, and it still is, is that cars kill an exorbitant number of people. There’s no other industry in the world that kills the number of people that cars do that are allowed to call it an “accident.” “I was in a car accident.” No, you weren’t. You were in a car crash.

So just the rectification in names is something that we’ve got to begin to do. There’s no such thing as a car accident. The 50,000 people each year who die on the road are not victims of accidents, like when you spill your coffee. [Editor’s note: Estimates vary, but between 40,000 and 46,000 people die in car crashes in the United States every year. Globally, more than one million people die from traffic-related incidents every year.]

McKenzie: One thing that occurs to me is that virtually everyone in the United States uses a car in some form or fashion at some point, which means everyone has survivorship bias. Because people don’t think of cars that way. They think “Oh, I won’t die because I haven’t died yet.”

Are you at all worried that people will dismiss you as being overly alarmist?

Obst: Well, I’ve been that way since I started my career.

You know, when I did the My Lai massacre story with Sy Hersh, which, for readers who are younger, is a village in South Vietnam where American soldiers brutally killed over 400 women and children one afternoon, we were brutally attacked for being un-American. How could we accuse American boys of doing that? Well, because they did it! Because it was fact. I worked with Daniel Ellsberg, taking the Pentagon Papers out and distributing it to newspapers. And they said, how can you do something that is traitorous? And I said, “No, it’s communication.” People have to know what’s going on, and the government came after me really hard. In fact, I was indicted by a grand jury and almost had to go to jail because of that.

I’m used to being on the wrong side. When I represented Woodward and Bernstein, for All the President’s Men, nobody thought Watergate was going to be an important story. When I took the original Watergate, All the President’s Men book proposal out to publishers, I was turned down by the first seven publishers I showed it to.

I’ve just been very lucky in doing the right thing at the right time. I stumble across things, and then knowing what to do with them helps, too.

This book began inadvertently in that I was driving with my granddaughter from Santa Barbara, where we live and where God would live if she could afford it, down to Los Angeles, and we hit a horrible traffic jam. And I turned to her, and I said, “I hate traffic.” And she said, “Pop-pop, you are the traffic.”

I said wait. How did this happen? Because I grew up in Los Angeles. I was a kid from that culture, and the deeper I went into it reminded me of what corporations will do in the name of profit.

McKenzie: Your first book was about corporate malfeasance, right?

Obst: Yes, I did a book with a wonderful economist named Robert Heilbroner, and it was called, In the Name of Profit: Profiles in Corporate Irresponsibility. And it was stories about the absolutely horrible things that companies did at public expense to make profits, and nobody had ever been punished for any of these.

I also did a book back during that time, which your readers will thoroughly enjoy, called Ecotage!, which was a cross between ecology and sabotage, and I ran a nationwide contest for the best ideas of how you could mess with corporate America, who were defiling our environment. And I got thousands of entries and published it as a book.

McKenzie: How very Edward Abbey of you.

Obst: I’ve always been a political activist in the sense that I understand capitalism is the system we’ve all chosen to live under, but there’s a couple of flaws in that system, which, unless they’re watched very closely, can cause us all great, lasting, damaging harm. Big Car has taken advantage of these and will continue to take advantage of these to the point where I really do feel that if we don’t do something fairly soon, we will become extinct as a species.

A couple nights ago I was watching NBC Nightly News, and on it, they had the head of the Environmental Protection Agency under Trump come on, and he said the same thing that Trump has said, which is that climate change is basically a hoax, that it’s invented by the Chinese to try and get our market shares, etc. The next four stories were about windstorms, fires, flooding.

It’s like, what world do these people live in?

McKenzie: So many of the companies that you’ve identified as Big Car, like ExxonMobil, Shell, Occidental, Chevron, they’ve already been grouped by climate activists under the umbrella of Big Oil. And I was wondering whether you thought at all about whether that was double dipping in some ways, to hitch Big Car to Big Oil. Why do you think it’s useful to think of them as Big Car?

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Obst: Big Car was a larger tent to put them into, because Big Car also has to do with the people who build our roads. Prior to 1956, American roads were pretty decrepit. Dwight D Eisenhower, two-term president and also Supreme Allied Commander in Europe during World War II, comes back from the war, and he said, “Did you see those autobahns?” Which was something that Hitler had begun to build in order to get troops rapidly from point A to point B. He said, “We’ve got to have an American autobahn.”

Eisenhower’s first attempts to pass a national highway act are soundly defeated in Congress, because it’s going to cost a lot, and truckers think that they’re going to have to pay in a fair amount of it. And then Eisenhower is so brilliant, he changes it to the National Interstate and Defense Highways Act [Editor’s note: Officially known as the Federal-Aid Highway Act] and makes it into something that is to protect Americans when we have a nuclear attack from the Russians, which, in 1956 everybody thought was inevitable.

McKenzie: As an editor at the Bulletin, that was one of the factoids that stuck out to me, that the height of every bridge is set to accommodate an ICBM missile on a flatbed truck. I thought that was incredible.

Obst: And it’s still the case today. Every bridge you drive under is exactly the same height as it was back then, because we had to have our missiles. So he’s able to get this through in America, lays enough road to kind of strangle the environment, kill off wildlife, disrupt communities—primarily of poor people, because they gave the rights of eminent domain to local jurisdictions, which then plow through African American and Latino neighborhoods to build these ribbons of concrete. And it has a profound effect on the society. People leave the cities, you have what’s known as “white flight” out of urban America into the suburbs. The tax base in these cities shrinks down to nothing so that vital public services such as public transportation no longer have adequate funding, and cities begin to deteriorate. Urban blight becomes a norm.

The opposite is happening in the suburbs, because businesses follow people out to the suburbs, and build shopping malls, they build hotels like Howard Johnson’s, they begin to put together fast ways of being able to feed people in their cars, and it changes the whole construct of what it is to be an American. And many would say for the better at that time, because growing up as a suburban kid, you really had enormous advantages. You didn’t have to worry about crime or pestilence or any of the big city problems, but the price we’ve paid is enormously high.

McKenzie: One of my frustrations when I talk to people about car culture is sort of this failure of imagination in terms of what anything resembling a post-car world might look like. And I sympathize with that. I grew up in Kansas. My parents live on a dirt road maybe 10 miles from town, but I don’t see why the fact that they can’t really live without a car should make a difference for a city like New York or even Kansas City becoming more accessible to people who don’t have a car or don’t want a car.

Obst: We’ve become so car dependent that we can’t think of any other alternative. And I write in the book that almost all of America has an addiction to the automobile, and like an addiction, if you ask people, they’ll say, “Well, no, I don’t need my car,” or “I could stop at any time.” But neither of those are true.

McKenzie: You have a chapter on the future of mobility. What does a moving towards a post-car future look like?

Obst: When I finished the book, I turned it into my publisher, and they said, “this book is a bummer. You got to give some hope.” So I spent another six months traveling around to try and find alternatives for using the personal automobile in communities. And I was able to find was some very positive things that are happening in the world. For example, in Taipei, Taiwan, you don’t really need a car anymore, because there’s bikes everywhere for you to be able to use. In Copenhagen, you don’t need a car. There’s an entire community now in Tempe, Arizona, that has made living in that community, the price you pay is you can’t have a private car.

McKenzie: I feel like the headwinds are maybe even stronger than they have been. In September, the Trump administration canceled multiple federal grants earmarked for street safety measures, pedestrian trails, and bike lanes, and their explicit justification was that these efforts were hostile to motor vehicles.

Obst: I agree. Right now, under the Trump administration and the people who are running it, it’s not going to be good for the next couple of years. But eventually the price of not doing anything is going to be too high for people to afford, and the only way out is to stop putting all this pollution into the air. And eventually somebody is going to realize that is a truism that has to be followed, or we will become like the other 99.8 percent of all species that have lived on this planet and go extinct.

McKenzie: Do you have any last thoughts that you’d like to share? What’s next for you?

Obst: I’d like to tell your readers about a program that will be starting in January called Universities Speak. It’s a conglomeration of the top college newspapers in America sharing stories about the impact of what Trump has done to their campuses: cuts in funding for research labs, for collection of statistics, and other things having to do particularly with the environment.

We will flood the media with these stories for as long as we can, because these are stories that are not being covered by the mainstream press or even regional presses. We’re not distributing until January, but we have all the top college papers in America working with us. I would urge your readers to reach out to their own colleges and get them to join us.

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The Conversation: Artificial intelligence has mastered chess, art and medical diagnosis. Now it’s apparently beating doctors at something we thought was uniquely human: empathy.

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  1. Jeremy Howick Professor and Director of the Stoneygate Centre for Excellence in Empathic Healthcare, University of Leicester

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This article was commissioned in conjunction with the Professors’ Programme, part of Prototypes for Humanity, a global platform and initiative that showcases and accelerates academic innovation to solve social and environmental challenges. The Conversation is the media partner of Prototypes for Humanity 2025. Jeremy Howick receives funding from the Stoneygate Trust.

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Artificial intelligence has mastered chess, art and medical diagnosis. Now it’s apparently beating doctors at something we thought was uniquely human: empathy.

A recent review published in the British Medical Bulletin analysed 15 studies comparing AI-written responses with those from human healthcare professionals. Blinded researchers then rated these responses for empathy using validated assessment tools. The results were startling: AI responses were rated as more empathic in 13 out of 15 studies – 87% of the time.

Before we surrender healthcare’s human touch to our new robot overlords, we need to examine what’s really happening here.

The studies compared written responses rather than face-to-face interactions, giving AI a structural advantage: no vocal tone to misread, no body language to interpret, and unlimited time to craft perfect responses.

Critically, none of these studies measured harms. They assessed whether AI responses sounded empathic, not whether they led to better outcomes or caused damage through misunderstood context, missed warning signs, or inappropriate advice.

Yet even accounting for these limitations, the signal was strong. And the technology is improving daily – “carebots” are becoming increasingly lifelike and sophisticated.

Beyond methodological concerns, there’s a simpler explanation: many doctors admit that their empathy declines over time, and patient ratings of healthcare professionals’ empathy vary greatly.

Inquiries into fatal healthcare tragedies in the UK – from Mid Staffordshire NHS Foundation Trust to various patient safety reviews – have explicitly named lack of empathy from healthcare professionals as contributing to avoidable harm. But here’s the real issue: we’ve created a system that makes empathy nearly impossible.

Doctors spend about a third of their time on paperwork and electronic health records. Doctors must also follow pre-defined protocols and procedures. While the documentation and protocols have some benefits, they have arguably had the unintended consequence of forcing the doctors to play the bot game. Therefore, we shouldn’t be surprised when the bot wins.

The burnout crisis makes this worse. Globally, at least a third of GPs report burnout – exceeding 60% in some specialties. Burned-out doctors struggle to maintain empathy. It’s not a moral failing; it’s a physiological reality. Chronic stress depletes the emotional reserves required for genuine empathy.

The wonder isn’t that AI appears more empathic; it’s that human healthcare professionals manage any empathy at all.

A GP with his patient.
Doctor’s empathy declines over time. Stephen Barnes/Shutterstock.com

What AI will never replicate

No carebot, however sophisticated, can truly replicate certain dimensions of human care.

A bot cannot hold a frightened child’s hand during a painful procedure and make them feel safe through physical presence. It cannot read unspoken distress in a teenager’s body language when they’re too embarrassed to voice their real concern. It cannot draw on cultural experience to understand why a patient might be reluctant to accept certain treatment.

AI cannot sit in silence with a dying patient when words fail. It cannot share a moment of dark humour that breaks the tension. It cannot exercise the moral judgment required when clinical guidelines conflict with a patient’s values.

These aren’t minor additions to healthcare; they’re often what make care effective, healing possible and medicine humane.

Here’s the tragic irony: AI threatens to take over precisely those aspects of care that humans do better, while humans remain trapped doing tasks computers should handle.

We’re heading toward a world where AI provides the “empathy” while exhausted humans manage technical work – exactly backward. This requires three fundamental changes.

First, we must train doctors to be consistently excellent at empathic communication. This cannot be a brief module in medical school. It needs to be central to healthcare education. Since AI already matches humans in many technical skills, this should free doctors to focus on genuine human connection.

Second, redesign healthcare systems to protect the conditions necessary for empathy. Dramatically reduce administrative burden through better technology (ironically, AI could help here), ensure adequate consultation time, and address burnout through systemic change rather than resilience training.

Third, rigorously measure both benefits and harms of AI in healthcare interactions. We need research on actual patient outcomes, missed diagnoses, inappropriate advice, and long-term effects on the therapeutic relationship – not just whether responses sound empathic to raters.

The empathy crisis in healthcare isn’t caused by insufficient technology. It’s caused by systems that prevent humans from being human. AI appearing more empathic than doctors is a symptom, not the disease.

We can use AI to handle administrative tasks and free doctors’ time and mental space, and even provide tips to help healthcare professionals boost their empathy. Or we can use it to replace the human connection that remains healthcare’s greatest strength.

The technology will continue advancing, regardless. The question is whether we’ll use it to support human empathy or substitute for it – whether we’ll fix the system that broke our healthcare workers or simply replace them with machines that were never broken to begin with.

The choice is ours, but the window is closing fast.

This article was commissioned in conjunction with the Professors’ Programme, part of Prototypes for Humanity, a global platform and initiative that showcases and accelerates academic innovation to solve social and environmental challenges. The Conversation is the media partner of Prototypes for Humanity 2025.

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