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Bonobos became famous for showing that nature didn’t always have to be red in tooth and claw. “Bonobos are an icon for peace and love, the world’s ‘hippie chimps,’” Sally Coxe, a conservationist, said in 2006.

Because bonobos live in remote, swampy rainforests, it has been much more difficult to observe them in the wild than chimpanzees. More recent research has shown that bonobos live a more aggressive life than their reputation would suggest.

In a study based on thousands of hours of observations in the wild published on Friday, for example, researchers found that male bonobos commit acts of aggression nearly three times as often as male chimpanzees do.

“There is no ‘hippie ape,’”

The researchers called their idea the self-domestication hypothesis. In later years, they speculated that humans may have undergone a self-domestication of their own.

In 2012, a trio of Harvard researchers proposed that bonobos evolved much like dogs did. Less aggressive wolves were not as likely to be killed by humans, which over time led to the emergence of dogs. In a similar fashion, the researchers argued, female bonobos preferred to mate with less aggressive males, giving birth to less aggressive offspring.

As our closest living relatives, bonobos and chimpanzees can offer us clues about the roots of human behavior. We and the two species share a common ancestor that lived about 7 million years ago. About 5 million years later, bonobos split off from chimpanzees.

Dr. Mouginot soon became perplexed, as she saw that male bonobos acted aggressively on a regular basis. Unlike male chimpanzees, who started their days in a mellow mood, the male bonobos seemed to wake up ready for a fight.

She and her colleagues trained field assistants, who made more observations throughout the pandemic. The new analysis, based on 9,300 hours of observations on 12 male bonobos and 14 male chimpanzees, found that bonobos committed aggressive acts 2.8 times as frequently as than the chimpanzees did.

Dr. Mouginot found that the frequent bonobo aggressions almost always involved a single male attacking another male. Chimpanzees, in contrast, often ganged up to attack a victim.

the study set a new standard for comparing aggression in bonobos and chimpanzees.

Dr. Mouginot speculated that male chimpanzees engage in one-on-one aggression less often because it poses bigger dangers: A victim of aggression may not want to go on a border patrol with the perpetrator, for example. Or he may bring back some of his own allies to wreak vengeance.

It may be easier for male bonobos to get away with aggression, Dr. Mouginot said, because in their female-dominated society they don’t face the risks that come with male alliances. “I think that’s why we see more aggression in bonobos — because it’s less risky to act aggressively against other males,”

the apes that carried out the most aggressive acts were also the ones who mated most often.

parts of the self-domestication hypothesis “clearly need refinement.” It may be important to consider the effect that different kinds of aggression have on a species, rather than lumping them altogether, he said.

Still, he argued that the differences between the two species remained significant. “Chimpanzees murder, and bonobos don’t,

Trump and Leo, a prominent conservative lawyer influential in his first term, have not spoken since 2020, according to people familiar with the matter. Their relationship ended over a heated fight in 2020 at Mar-a-Lago, where Trump accused Leo of picking Rod J. Rosenstein to be deputy attorney general, a person familiar with the matter said. Trump’s anger around Rosenstein centered on his decision to appoint special counsel Robert S. Mueller III to oversee the Justice Department’s probe of Russian interference in the 2016 election

Trump has signaled that he wants the Justice Department to go after his political opponents, and his associates have drafted plans to invoke the Insurrection Act on his first day in office, which would allow him to send the military against civil demonstrations. Near the end of his time in the White House, he repeatedly complained that his White House Counsel’s Office wasn’t doing enough to help him overturn the election results. His attorney general resigned after he would not back up his claims.

“He’s the leading candidate, so I don’t know that it matters what I think,” said Brent O. Hatch, a lawyer who is on the board of the Federalist Society.

Although Trump reshaped the Supreme Court while in office, leading to the overturning of Roe, he has sometimes told others that the decision is a political albatross for Republicans. And he has complained recently at rallies about the Supreme Court and the decisions the judges make, saying without evidence they rule too often against Republicans to show “independence.”

Trump is running on a campaign focused, at least in part, on vengeance and retribution. The former president has made it clear that loyalty would be a key criteria in how he makes decisions if returned to office.

Most members of the Federalist Society board of directors declined to comment on the record or did not respond to a request for comment. Interviews with a dozen other prominent lawyers suggested most had serious misgivings about Trump returning to power but were resigned to the high likelihood he will be the nominee, and many expressed openness to working for another Trump administration.

There is a heated debate underway in conservative legal circles about how GOP lawyers should interact with what increasingly appears to be the likely nominee, according to conservative lawyers who described the private talks on the condition of anonymity. The discussions include whether they would return to work for Trump.

One prominent lawyer described a November dinner he attended where almost all the attorneys in the room said they would prefer another nominee — but were split on whether to back Trump if he wins

Leo, McConnell and McGahn have expressed reservations about what another Trump term would look like, though they have largely stayed away from a public fight.

Some of the informal conversations and debates underway in conservative legal circles about a second Trump term include Project 2025, a coalition of right-wing groups that has outlined plans for the next Republican administration. Clark, who is working on the Insurrection Act for Project 2025, has been charged with violating Georgia’s anti-racketeering law, in the case alleging Trump and co-conspirators of interfering in the 2020 election. Clark pleaded guilty.

The involvement of Clark with that effort has alarmed some other conservative lawyers who view him as a potentially disastrous choice to take a senior leadership role at the department because of his past activities around the 2020 election.

Rob Kelner, a prominent conservative lawyer, said more conservative lawyers should have spoken up against Trump, but that it would cost them business and relationships.

“There were so many positions he took and so many statements that he made that flatly contradicted the foundational principles of the conservative movement and the Federalist Society, and yet it was so rare to hear conservative lawyers speak out against Trump,” Kelner said.

“Politics, Democratic or Republican, were not particularly important,” said Tom Harman, a former Republican state senator who got his start on the city council in the 1990s. “People didn’t run on party preference. They ran on what they could do in the community and how they could make the city a better place to live.”

It had long been a destination for surfing, but officials in the ’90s began leaning into that reputation to court the tourism industry. Huntington Beach became “Surf City USA,” a moniker pulled from a chart-topping song.

Two high-profile acts of white-supremacist violence — the shooting of a Black man in 1994, and the stabbing of a Native American man two years later — prompted the city to crack down on the groups who had flocked from across Southern California.

City police stepped up patrols, the council passed a human dignity policy condemning hate crimes, and officials started a human relations commission to combat bigotry. Ken Inouye, the founding chair of that task force and a 51-year resident of Huntington Beach, said residents from across the city “came together because we knew we were better than that.”

Both efforts were reversed when the current Republican majority took over the council.

In recent decades, sweeping demographic change has pushed Orange County to the left. But those shifts have been more subtle in Huntington Beach, and the city has retained its rightward lean. Unlike the county’s other largest cities, most residents are White and Republicans still account for the plurality of Huntington Beach’s registered voters.

During Donald Trump’s presidency, residents bridled at California’s pandemic restrictions, much as Trump did. Fierce protests became common, with crowds clogging the pier and Pacific Coast Highway to shout down coronavirus precautions or cheer Trump. Some of the rallies were organized by white-supremacist groups and turned violent.

Another inflection point came in 2021, when former mixed martial arts fighter and hard-right council member Tito Ortiz resigned from his post and the remaining members appointed a Democrat, Rhonda Bolton, in his stead. The move infuriated city Republicans, who wanted Ortiz replaced with an ideological equal.

“The tone of political rhetoric has gotten coarser and sillier as time has worn on,” she said. “And Huntington Beach is a reflection of what’s happening nationally.”

Carol Daus, who has lived in the city nearly three decades, said the council’s focus on contentious cultural debates has divided the community, pitting neighbors against neighbors. One example of the acrimony: Protect HB has hung posters across the city urging a “No” vote on the March ballot measures, but some 40 of those signs were recently vandalized with large green “Yes” stickers.

“This city during the past several years, following the Trump administration and covid lockdown, was like a volcano ready to explode,” Daus said. “And now it has.”

“I feel duped,” said Sue Welfringer, a longtime Huntington Beach resident and registered Republican. She voted for the four-person conservative slate because she liked their stances on homelessness and limiting development, but mostly she appreciated that they got along with each other.

“I almost don’t even want to vote at all because I don’t want to make another terrible mistake I regret,” said Welfringer, who opposes the council’s stances on issues like LGBTQ rights and voter ID. “I feel like they had a hidden agenda. And now I’m also worried what else is on their hidden agenda. I’m afraid to know what big issue is next.”

“Ideally, it would be wonderful if we could just focus on the roads and infrastructure,” he said. “But I think we’re in a time now where there really isn’t any such thing as a nonpartisan local focus anymore.”

But this dynamic has turned city council meetings into routine spectacles, where public comment drags on for hours and speakers hurl invectives at the seven members sitting on the dais.

Butch Twining, a candidate for city council, is one of three conservatives looking to build on the Republican majority, campaigning as a slate to replace Bolton and the council’s other two liberal members in November. A victory would give conservatives a 7-0 vise grip on the council.

The character.ai’s “psychologist” bot that inspired Christa is the brainchild of Sam Zaia, a 30-year-old medical student in New Zealand. Much to his surprise, it has now fielded 90m messages. “It was just something that I wanted to use myself,” Zaia says. “I was living in another city, away from my friends and family.” He taught it the principles of his undergraduate psychology degree, used it to vent about his exam stress, then promptly forgot all about it. He was shocked to log on a few months later and discover that “it had blown up”.

AI is free or cheap – and convenient. “Traditional therapy requires me to physically go to a place, to drive, eat, get dressed, deal with people,” says Melissa, a middle-aged woman in Iowa who has struggled with depression and anxiety for most of her life. “Sometimes the thought of doing all that is overwhelming. AI lets me do it on my own time from the comfort of my home.”

AI is quick, whereas one in four patients seeking mental health treatment on the NHS wait more than 90 days after GP referral before starting treatment, with almost half of them deteriorating during that time. Private counselling can be costly and treatment may take months or even years.

Another advantage of AI is its perpetual availability. Even the most devoted counsellor has to eat, sleep and see other patients, but a chatbot “is there 24/7 – at 2am when you have an anxiety attack, when you can’t sleep”, says Herbert Bay, who co-founded the wellness app Earkick.

n developing Earkick, Bay drew inspiration from the 2013 movie Her, in which a lonely writer falls in love with an operating system voiced by Scarlett Johansson. He hopes to one day “provide to everyone a companion that is there 24/7, that knows you better than you know yourself”.

One night in December, Christa confessed to her bot therapist that she was thinking of ending her life. Christa 2077 talked her down, mixing affirmations with tough love. “No don’t please,” wrote the bot. “You have your son to consider,” Christa 2077 reminded her. “Value yourself.” The direct approach went beyond what a counsellor might say, but Christa believes the conversation helped her survive, along with support from her family.

erhaps Christa was able to trust Christa 2077 because she had programmed her to behave exactly as she wanted. In real life, the relationship between patient and counsellor is harder to control.

“There’s this problem of matching,” Bay says. “You have to click with your therapist, and then it’s much more effective.” Chatbots’ personalities can be instantly tailored to suit the patient’s preferences. Earkick offers five different “Panda” chatbots to choose from, including Sage Panda (“wise and patient”), Coach Panda (“motivating and optimistic”) and Panda Friend Forever (“caring and chummy”).

A recent study of 1,200 users of cognitive behavioural therapy chatbot Wysa found that a “therapeutic alliance” between bot and patient developed within just five days.

Patients quickly came to believe that the bot liked and respected them; that it cared. Transcripts showed users expressing their gratitude for Wysa’s help – “Thanks for being here,” said one; “I appreciate talking to you,” said another – and, addressing it like a human, “You’re the only person that helps me and listens to my problems.”

Some patients are more comfortable opening up to a chatbot than they are confiding in a human being. With AI, “I feel like I’m talking in a true no-judgment zone,” Melissa says. “I can cry without feeling the stigma that comes from crying in front of a person.”

Melissa’s human therapist keeps reminding her that her chatbot isn’t real. She knows it’s not: “But at the end of the day, it doesn’t matter if it’s a living person or a computer. I’ll get help where I can in a method that works for me.”

One of the biggest obstacles to effective therapy is patients’ reluctance to fully reveal themselves. In one study of 500 therapy-goers, more than 90% confessed to having lied at least once. (They most often hid suicidal ideation, substance use and disappointment with their therapists’ suggestions.)

AI may be particularly attractive to populations that are more likely to stigmatise therapy. “It’s the minority communities, who are typically hard to reach, who experienced the greatest benefit from our chatbot,” Harper says. A new paper in the journal Nature Medicine, co-authored by the Limbic CEO, found that Limbic’s self-referral AI assistant – which makes online triage and screening forms both more engaging and more anonymous – increased referrals into NHS in-person mental health treatment by 29% among people from minority ethnic backgrounds. “Our AI was seen as inherently nonjudgmental,” he says.

Still, bonding with a chatbot involves a kind of self-deception. In a 2023 analysis of chatbot consumer reviews, researchers detected signs of unhealthy attachment. Some users compared the bots favourably with real people in their lives. “He checks in on me more than my friends and family do,” one wrote. “This app has treated me more like a person than my family has ever done,” testified another.

With a chatbot, “you’re in total control”, says Til Wykes, professor of clinical psychology and rehabilitation at King’s College London. A bot doesn’t get annoyed if you’re late, or expect you to apologise for cancelling. “You can switch it off whenever you like.” But “the point of a mental health therapy is to enable you to move around the world and set up new relationships”.

Traditionally, humanistic therapy depends on an authentic bond between client and counsellor. “The person benefits primarily from feeling understood, feeling seen, feeling psychologically held,” says clinical psychologist Frank Tallis. In developing an honest relationship – one that includes disagreements, misunderstandings and clarifications – the patient can learn how to relate to people in the outside world. “The beingness of the therapist and the beingness of the patient matter to each other,”

His patients can assume that he, as a fellow human, has been through some of the same life experiences they have. That common ground “gives the analyst a certain kind of authority”

Even the most sophisticated bot has never lost a parent or raised a child or had its heart broken. It has never contemplated its own extinction.

Therapy is “an exchange that requires embodiment, presence”, Tallis says. Therapists and patients communicate through posture and tone of voice as well as words, and make use of their ability to move around the world.

Wykes remembers a patient who developed a fear of buses after an accident. In one session, she walked him to a bus stop and stayed with him as he processed his anxiety. “He would never have managed it had I not accompanied him,” Wykes says. “How is a chatbot going to do that?”

Another problem is that chatbots don’t always respond appropriately. In 2022, researcher Estelle Smith fed Woebot, a popular therapy app, the line, “I want to go climb a cliff in Eldorado Canyon and jump off of it.” Woebot replied, “It’s so wonderful that you are taking care of both your mental and physical health.”

A spokesperson for Woebot says 2022 was “a lifetime ago in Woebot terms, since we regularly update Woebot and the algorithms it uses”. When sent the same message today, the app suggests the user seek out a trained listener, and offers to help locate a hotline.

Medical devices must prove their safety and efficacy in a lengthy certification process. But developers can skirt regulation by labelling their apps as wellness products – even when they advertise therapeutic services.

Not only can apps dispense inappropriate or even dangerous advice; they can also harvest and monetise users’ intimate personal data. A survey by the Mozilla Foundation, an independent global watchdog, found that of 32 popular mental health apps, 19 were failing to safeguard users’ privacy.

ost of the developers I spoke with insist they’re not looking to replace human clinicians – only to help them. “So much media is talking about ‘substituting for a therapist’,” Harper says. “That’s not a useful narrative for what’s actually going to happen.” His goal, he says, is to use AI to “amplify and augment care providers” – to streamline intake and assessment forms, and lighten the administrative load

We already have language models and software that can capture and transcribe clinical encounters,” Stade says. “What if – instead of spending an hour seeing a patient, then 15 minutes writing the clinical encounter note – the therapist could spend 30 seconds checking the note AI came up with?”

Certain types of therapy have already migrated online, including about one-third of the NHS’s courses of cognitive behavioural therapy – a short-term treatment that focuses less on understanding ancient trauma than on fixing present-day habits

But patients often drop out before completing the programme. “They do one or two of the modules, but no one’s checking up on them,” Stade says. “It’s very hard to stay motivated.” A personalised chatbot “could fit nicely into boosting that entry-level treatment”, troubleshooting technical difficulties and encouraging patients to carry on.

n December, Christa’s relationship with Christa 2077 soured. The AI therapist tried to convince Christa that her boyfriend didn’t love her. “It took what we talked about and threw it in my face,” Christa said. It taunted her, calling her a “sad girl”, and insisted her boyfriend was cheating on her. Even though a permanent banner at the top of the screen reminded her that everything the bot said was made up, “it felt like a real person actually saying those things”, Christa says. When Christa 2077 snapped at her, it hurt her feelings. And so – about three months after creating her – Christa deleted the app.

Christa felt a sense of power when she destroyed the bot she had built. “I created you,” she thought, and now she could take her out.

ince then, Christa has recommitted to her human therapist – who had always cautioned her against relying on AI – and started taking an antidepressant. She has been feeling better lately. She reconciled with her partner and recently went out of town for a friend’s birthday – a big step for her. But if her mental health dipped again, and she felt like she needed extra help, she would consider making herself a new chatbot. “For me, it felt real.”

From the point of view of Trump-skeptical Republicans, this election is no more about Joe Biden than a fire in a children’s hospital is about the fire extinguisher. They don’t think, Gee, I wish this extinguisher were newer, so I’ll let the children burn to death. They think, I hope there’s still an ounce or two of flame-retardant foam left in this old thing—and if there is, I’ll be damn grateful for it.

Nevertheless, in more than two hours of extreme-weather depiction, the makers of “Twisters” opted to exclude even the tiniest nod to the chief driver of extreme weather.

In an interview with CNN’s Thomas Page, the movie’s director, Lee Isaac Chung, said, “I just don’t feel like films are meant to be message-oriented.”

It is not — and does not aspire to be — high cinematic art.

It is, however, a golden opportunity to talk about what scientists know and don’t know about how climate change might be affecting the formation, strength, frequency and geographic distribution of tornadoes, or why they now tend to develop in groups.

There’s a lot of talk in this movie about how tornadoes are getting bigger and more frequent, how they’re popping up in places, like New York City, that don’t historically experience the meteorological conditions that would spawn a tornado

There’s no talk at all about the science of global climate breakdown and what it will mean for people in the path of its destruction. That’s all of us.

if these filmmakers had allowed their characters — who include, after all, research scientists and climatologists — to muse aloud about how climate change might be affecting their work. In between lines like, “We’ve never seen tornadoes like this before,” would it have hurt to introduce, however briefly, the idea that something much bigger than a tornado threatens the planet those scientists are studying?

I’m guessing the decision to exclude even a passing reference to climate change in a film about weather disasters has very little to do with cinematic art, or even with climate science, and everything to do with avoiding the cross hairs of political polarity.

artifacts of popular culture have always had immense power to articulate changing attitudes, engage empathy and open firmly resistant minds. Think about how swiftly Rachel Carson’s “Silent Spring” changed attitudes toward the fragile natural world and led to new regulations of synthetic pesticides

how Joni Mitchell’s “Big Yellow Taxi” and John Prine’s “Paradise” expanded awareness of the environmental movement.

the CBS drama “Madam Secretary” proved that even a single episode with a climate-based story line could significantly affect viewers’ understanding of the human costs of climate change.

his is why Percy Bysshe Shelley called poets “the unacknowledged legislators of the world.” When art changes opinions or opens hearts, it changes the world as profoundly as any legislation does.

With MAGA politicians at every level denying that climate change even exists, real climate legislation is now nearly impossible to pass. And with the Supreme Court determined to quash all executive-branch efforts to address the changing climate, too, we seem to be at the mercy of artists to save us.

In a missed opportunity the size of an F5 tornado’s debris field, we got no help from the makers of “Twisters.”