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Scientists Identify Five Distinct Eras of Human Brain Development

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The human brain experiences five distinct eras as we age, and each is defined by changes in our neural architecture that influence how we process information, new research shows. The brain changes associated with these stages shape how our mind ages and ultimately declines.

In a study published on Tuesday in Nature Communications, researchers compared the brain scans of 3,802 people between zero and 90 years old. By mapping the brain’s connections over time, the scientists detected four turning points in brain structure over the course of a human life: at age nine, 32, 66, and 83.

What this means, according to the researchers, is that our brain’s connections wire themselves in pretty much the same way from birth to nine years of age. Then our neural architecture starts to organize differently as we enter adolescence, continuing through age 32. At this point, the brain’s structural development appears to peak, according to the study.

“What we find suggests that the journey from childlike brain development to this peak in the early 30s is distinct from other phases in the lifespan,” says Alexa Mousley, the study’s lead author and a neuroscientist at the University of Cambridge.

“This doesn’t mean that the brain of a 17-year-old and a 30-year-old look are the same—it’s specifically that the types of changes occurring … are consistent,” she adds.

At age 32, the brain’s longest rewiring era begins, marking the opening of the adult years. It’s at this point that brain architecture starts to stabilize compared with the previous phases, and Mousley says this corresponds to past research that found that there is also a “plateau in intelligence and personality around this time.”

After the mid-60s, brain connections start to deteriorate. And by the last turning point, 83 years old, connectivity declines even further.

In a recent statement, Duncan Astle, a professor of neuroinformatics at Cambridge and a co-author of the study, said these epochs of brain development may mirror how humans experience changes over time.

“Looking back, many of us feel our lives have been characterised by different phases,” he said. “It turns out that brains also go through these eras.”

It’s unclear what these major shifts can tell us about learning and development in the brain, Mousley says. Past research has also pointed toward distinct phases of brain development through the lifespan, and it remains unclear how lifestyle factors or other variables may influence brain aging in individuals. And while the new study finds an obvious peak in efficiency in one’s early 30s, that could be linked to evolution, lifestyle changes, or genetic factors.

“These are all just potential ideas—we truly don’t know,” she says.

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https://static.scientificamerican.com/dam/m/6197be0f2979c51c/original/Brain-eras.png?m=1764087832.27&w=900

A representative magnetic resonance imaging (MRI) tractography image of the first era of the human brain. In a new study, this image is representative of the general pattern seen across brains during the second era of neural wiring, the adolescent phase. Alexa Mousley/University of Cambridge

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Click the link below for the complete article:

https://www.scientificamerican.com/article/scientists-identify-five-distinct-eras-of-human-brain-aging/

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Stop Pulling Your Hair Out: Low-Tension Styles Are In

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This holiday season, I am retiring my extra small knotless braids in exchange for creative low-tension styles. I knew it was time to reset when, this summer, I found a small bald spot, aka traction alopecia, at the crown of my head from back-to-back tight styles.

With scalp serums, a consistent routine, and a break from trendy high-tension styles, my scalp is healing. The simple pleated braids we wore in elementary school with bobos have reinvented themselves. Low-tension styles are no longer just a few neat plaits. They have evolved thanks to curly hair stylists and influencers. I am not alone. My feeds are full of curl friends choosing twist outs, flat twists, and braid outs to protect their scalps, maintain hair integrity, and minimize breakage.

Celebrity stylist and CEO of Texture Management, Felicia Leatherwood, knows ball when it comes to low-tension styles. Leatherwood has been mastering natural hairstyles for over 26 years and is known for Issa Rae’s soft, low-tension looks that fill our Pinterest board.

Below, she spoke with ESSENCE about why you should give your hair a break this season and prioritize hair health with low tension styles this season.

Curl Friends Are Letting Go

Curl friends are embracing low-tension styles because they are not seen as the hairstyle you only wear running errands. These styles are worn to the office, date nights, and formal gatherings. The shift is leading more people to integrate twist outs, mini braids, and soft curls into their everyday routine. Low-tension styles are gaining popularity because they are approachable, healthy for the scalp, and hold up well in colder temperatures when natural hair is more susceptible to breakage.

“I’m seeing people wearing their hair more natural and less structured, a bit more fluffy,” Leatherwood says. “Softer curls around the face feel cozy for the winter.” Many curl friends are also experiencing thinning edges and breakage from excessive protective styling this summer. Trendy styles often require tight hair pulling and manipulation to achieve the look. Although they are cute, they come with a steep price for hair health.  

“At the end of the day, it’s about maintaining hair that’s healthy,” Leatherwood explains. “We need to keep it from being pulled and manipulated too much.” She looks to some of her clients, like Issa Rae, for inspiration. Clients who understand how to keep their hair healthy under any circumstances. 

“I use Issa as my template, and Beyoncé, SZA, Yara Shahidi as references,” Leatherwood says. “They are doing more of that softer, low-tension looks that are easy to achieve.”

These celebrities have redefined low-tension styles and made them more common on red carpets, television shows, and music videos, giving curl friends the confidence to wear them too.

Low-Tension vs Protective: Know the Difference

Protective styles shield the ends of your hair from daily wear and environmental damage. These styles include buns, wigs, stitch braids, updos, and sew-ins. While they do protect, many involve pulling the hair back tightly, which can sometimes create tension on the scalp. 

Low-tension styles leave ends exposed but reduce scalp tension. Twist outs, braid outs, Bantu knots, flat twists, and flexi rod sets all qualify—with more innovative low-tension styles being created every day. These styles are easier on the scalp, promote growth, and look natural, though they don’t last as long as high-tension styles.

Leatherwood notes that some people believe pulling hair back tightly protects it; instead of protecting, it splits the ends. She recommends more low-tension styles to recover from summer’s high-tension looks. 

“More twist outs or perm rod curls last with the right products, look natural, and are easier on the scalp,” Leatherwood said.

What Those Scalp Bumps Really Mean

Tiny bumps along the hairline or base of braids are warning signs. Those high-tension hairstyles? Most are linked to traction alopecia. Studies show this type of hair loss affects one in three Black women.

Leatherwood says repeated tension can also cause folliculitis, inflammation of the hair follicle. The fix is simple: avoid overly tight styles and give your scalp a break. If issues persist, consult your provider for treatments, including steroids or antibiotics.

She emphasizes that softer, low-tension styles give the scalp a chance to recover while keeping curls healthy and strong.

How to Keep Low-Tension Styles Fresh

Low-tension styles let you prioritize scalp health without sacrificing style. Leatherwood recommends products and techniques to maintain softness and curl definition. “Apply a butter or cream, massage and smooth it over the hair, then twist it,” Leatherwood says. “It keeps hair soft and reduce pulling.” 

Bantu knots, twist outs, and flat twists keep hair healthy and cute while giving the scalp a break. For long-lasting curl sets, Leatherwood loves Ampro Curl Wax. “After curl sets, I coat the hair with it. It opens up the curls and lasts for several weeks,” Leatherwood says. 

Low-tension styles are ideal for the colder months, when our hair is recovering from summer styling damage and preparing for the winter frost. By letting the scalp rest and reducing tension, these styles help restore growth, maintain hair integrity—ensuring that your curls stay strong this season

Low-Tension Style Inspiration

If you need hair inspiration, here are a few creative low-tension styles from my favorite creator curl friends that are making waves that you can share with your stylist or try at home.

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https://www.essence.com/wp-content/uploads/2025/11/GettyImages-2234931751-Cropped-1920x1080.jpg?width=1920Mike Coppola/Getty Images

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Click the link below for the complete article (and videos):

https://www.essence.com/beauty/low-tension-hairstyles-healthy-textured-hair/

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F.D.A. Seeks More Oversight of Vaccine Trials and Approvals

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The Trump administration is casting more doubt on the safety of vaccines, with an internal memo from the Food and Drug Administration linking the deaths of at least 10 children to the Covid vaccine and proposing new regulatory measures as a result.

The memo was obtained by The New York Times and not publicly released. It did not provide details such as the ages of the children, whether they had any health problems, or how the agency determined the vaccine-death link. Nor did it disclose the maker of the vaccines involved.

The findings have not been published in a peer-reviewed medical journal, drawing suspicion from some critics of Health Secretary Robert F. Kennedy Jr., who has repeatedly criticized the Covid shots as deadly despite the scientific consensus that they are safe.

The memo was written by Dr. Vinay Prasad, the director of the F.D.A.’s vaccine division. He sent it to agency staff members on Friday, outlining findings from a review of reports concerning childhood deaths and attributing them to myocarditis, or inflammation of the heart muscle.

The Covid vaccine, like many other immunizations, carries some health risks in certain cases, and mainstream scientists have been studying the vaccine’s effects on people for years, especially the incidence of myocarditis in teenage boys and young men.

“This is a profound revelation,” Dr. Prasad wrote in a memo to staff members. “For the first time, the U.S. F.D.A. will acknowledge that Covid-19 vaccines have killed American children.”

Dr. Prasad said he would propose a range of new oversight and review of vaccines, though it was unclear whether the White House had been advised of the memo’s contents. The proposals could be refined by government officials or challenged by lawmakers and drug companies.

A spokesman for the Department of Health and Human Services, which oversees the F.D.A., did not respond to a request for comment.

The memo represents another escalation of broadsides on vaccines by federal authorities under Mr. Kennedy, who has used his position as secretary to repeatedly raise doubts about inoculations and name other skeptics to positions of authority.

Mr. Kennedy’s team has issued new policies that are limiting access to the Covid shots to people 65 and older as well as to younger people with underlying medical conditions. He and F.D.A. officials have also called for more studies of existing vaccines that have been considered safe for decades.

Health officials in the first Trump administration, when the vaccines were developed during the pandemic, and in the Biden years, strongly endorsed the Covid shots as lifesaving measures. Public health experts have pointed to the number of lives saved by the Covid vaccine and to the fact that the virus caused more than a million deaths among Americans. About 2,100 children have died of COVID since the pandemic began, according to the American Academy of Pediatrics.

Dr. Prasad’s memo is landing just before next week’s meeting of the Centers for Disease Control and Prevention’s influential vaccine committee. Mr. Kennedy’s handpicked panel includes supporters of the so-called medical freedom community, who often reject vaccination and oppose mandates. The committee is expected to discuss the children’s immunization schedule and the hepatitis B vaccine for newborns.

Michael Osterholm, a critic of Mr. Kennedy’s health agency oversight and an infectious disease expert at the University of Minnesota, said he believed the memo was intentionally released before the meeting.

“This is an irresponsible way to deal with a very critical public health issue like vaccination and adverse events,” he said.

Among the changes Dr. Prasad outlined for oversight and approval were requirements that studies looking at people using a vaccine or a placebo include all subgroups, such as pregnant women. In addition, he described the annual process of updating flu vaccines to match a circulating strain as a “catastrophe of low-quality evidence,” and said it would also be re-examined. (The chosen strain is at times a poor match.)

He also said companies would need to do larger studies before promoting vaccines as safe to administer together, such as the flu and Covid vaccines. And vaccine makers would need to conduct large, randomized studies of pneumonia vaccines to prove that they reduce cases of the disease rather than prove that they generate antibodies.

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https://static01.nyt.com/images/2022/08/21/opinion/28HS-COVID-DEATHS/28HS-COVID-DEATHS-jumbo.jpg?quality=75&auto=webpDr. Vinay Prasad, the F.D.A.’s top vaccine official, suggested in a memo that the deaths were related to vaccine-related myocarditis but did not offer data to support his conclusions. Credit…Hannah Beier for The New York Times

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Click the link below for the complete article:

https://www.nytimes.com/2025/11/28/health/fda-children-deaths-covid-vaccines.html

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China’s Giant Underground Neutrino Observatory Just Released Its First Results—And They’re Promising

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Trillions of neutrinos whiz through our bodies every day, pulsing from the sun, outer space, and deep beneath Earth. Yet these elusive subatomic particles have proven difficult to study. That could soon change, however. Buried 700 meters beneath the rolling hills of southern China, an enormous neutrino observatory called JUNO has released its first results after a mere 59 days of operation. And so far, they are very promising, physicists say.

“The physics result is already world-leading in the areas that it touches,” says particle physicist Juan Pedro Ochoa-Ricoux of the University of California, Irvine, who co-leads a team on JUNO.

“In particular, we measured two neutrino oscillation parameters, and that measurement is already for both parameters the best in the world,” he says. The results were published in two separate preprints on arXiv.org.

JUNO—short for Jiangmen Underground Neutrino Observatory—has been tasked with a tall order: determine the ordering of masses of the three types of neutrino. In other words, do they follow a “normal mass ordering,” where the first flavor of neutrino is the lightest and the third the heaviest, or an inverted one, in which the third neutrino mass state is the lightest?

The answer to this question holds myriad implications, from informing other experiments to uncovering new physics to explaining certain cosmological mysteries. That’s because, despite being such lightweights, neutrinos are so incredibly numerous that they may play an outsized role in the distribution of matter in the universe.

JUNO’s spherical detector, which is akin to a 13-story-tall fishbowl, primarily measures so-called electron antineutrinos spewing from the nearby Yangjian and Taishan nuclear plants. When the particles strike a proton inside the detector, a reaction triggers two light flashes that ping photomultiplier tubes and get converted into electrical signals.

The new measurements from these neutrino-proton collisions are now considered the most precise for two oscillation parameters, which act as proxies for differences in their mass, according to Ochoa-Ricoux.

“It is the first time we’ve turned on a scientific instrument like JUNO that we’ve been working on for over a decade. It’s just tremendously exciting,” Ochoa-Ricoux says. “And then to see that we’re able to already do world-leading measurements with it, even with such a small amount of data, that’s also really exciting.”

Still, the physicists will need years’ worth of neutrino detections to answer the mass-ordering conundrum.

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https://static.scientificamerican.com/dam/m/72b0255e0997a5f7/original/juno-photomultiplier-tubes-neutrinos-web.jpg?m=1764185345.102&w=900

JUNO’s central detector is filled with scintillating fluid and surrounded by photomultiplier tubes (shown here). Yuexiang Liu/JUNO Collaboration

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Click the link below for the complete article:

https://www.scientificamerican.com/article/juno-neutrino-observatory-releases-first-results/

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American money is turning the Cotswolds into the ‘Hamptons of England’

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As locals gossip beneath the low-beamed ceiling of a coffee shop, I ask Audrey Ann Masur to speak up.

“I’m always trying to speak more quietly, so I’m not getting that stereotype,” the 37-year-old from Indiana whispers across our table with a nervous smile, her decaf coffee steaming in the autumn chill.

We’re in the Cotswolds, an 800-square-mile pocket of English countryside dotted with towns and villages. Masur and her young family moved here from South Carolina five years ago, when her husband was reposted by the US military.

Her accent has prompted older locals to corner her at the grocery store and press her on her political views, Masur says. So, she figures it’s best to keep her voice down.

I hope Masur, who documents life in the Cotswolds on Instagram for her 13,700 followers, can help me understand why this area has become a hot spot for transatlantic elites in recent years. I want to know how locals are reacting as old British money and new international money meet and — as the American “invasion” headlines in the British press suggest — clash.

Masur is neither a billionaire nor a millionaire — “I drive a Honda Jazz,” she says — but she has met some of the wealthy American newcomers at influencer events and watched businesses change in the relatively short time she has been here.

“There are a lot more places that want to please people of a certain socioeconomic status,” Masur says.

Recent high-profile visitors to the area, which straddles six counties, include Taylor Swift, Eve Jobs, who married here in July, and JD Vance, whose security checkpoints put the sleepy village of Dean on lockdown in August. Others, like Masur, are calling it home. Ellen DeGeneres has lived here since 2024, and Beyoncé and Jay-Z are rumored to be looking for property.

This is part of a lucrative boom in Americans heading to the UK. In 2024, there were a record 5.6 million visits from the US, up half a million on the previous year. Those visitors spent a record £7.3 billion, or about $9.5 billion, in 2024 — £1.1 billion more than in 2023, according to data from VisitBritain.

They’re also spending more: In 2024, adjusted for inflation, Americans spent £68 more per trip to the UK than they did in 2023.

Figures provided to Business Insider by the UK government show that the number of US nationals applying for British citizenship also hit a record high in the second quarter of 2025, following the inauguration of President Donald Trump. Between April and June, 2,194 Americans applied — up 50% on the same period last year.

From the sheer number of what sound like American accents I hear during my trip in late October — although I meet some Canadian ladies hurt by my assumption — it feels as though most have headed straight to the Cotswolds.

Two real estate professionals told me they are seeing the spoils of this trend: more American tech founders, media moguls, and billionaires looking for historic properties in the region.

“Once there’s a critical mass of like-minded people in the area, it draws more and more people of that profile,” says Harry Gladwin, a Cotswolder and partner at The Buying Solution, which advises wealthy foreigners on finding homes here.

Armand Arton, the founder of Arton Capital, which helps ultra-high-net-worth clients secure second homes and citizenships, says US politics has motivated a lot of his clients to seek homes in this part of rural England. But owning heritage properties — castles and country estates that many British aristocrats can no longer afford to maintain — is also about status.

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https://i.insider.com/69208f0389026fbb4d0e282b?width=1000&format=jpeg&auto=avif&quality=90,90D’Ambrosi Fine Foods is an American-run business in Stow-on-the-Wold, the Cotswolds. Frederick Hunt for BI

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Click the link below for the complete article:

https://www.businessinsider.com/american-money-turning-the-cotswolds-hamptons-of-england-2025-11

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A Highway Is Crumbling. New York Can’t Agree on How to Fix It.

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This triple cantilever was an engineering marvel when it was built from concrete and steel more than 70 years ago.

But the structure was designed for far less traffic than the 130,000 cars and trucks that cross it every day.

It’s now exceeded its lifespan, and decades of increasingly heavy trucks have caused the concrete to weaken.

Hundreds of steel mesh sheets keep crumbling concrete from falling on drivers below.

City officials declared in 2016 that this decrepit cantilever needed to be completely overhauled. It hasn’t happened.

The triple cantilever runs along the edge of Brooklyn Heights, a wealthy and politically connected neighborhood. It stands as a symbol of resistance to Robert Moses, the power broker who rammed highways through communities.

When Mr. Moses tried that approach here in the 1940s, Brooklyn Heights residents pushed back, and Mr. Moses rerouted the Brooklyn-Queens Expressway around them.

At the top sits the Brooklyn Heights Promenade, a cherished landmark with skyline views where generations of New Yorkers have come for their first date.

Below, two levels of traffic jut out like drawers pulled from a dresser. The highway is the main artery between Brooklyn and Queens, and it is part of Interstate 278, the only road that connects New York’s five boroughs.

The cantilever, which opened in 1954, was designed to be used for 50 years. The risks only go up as it continues to deteriorate year after year, even as its life span has been extended with interim measures. While city officials and transportation engineers say imminent collapse is not a threat, other catastrophes could still strike, like concrete falling off and hitting vehicles.

Since 2018, two New York City mayors — Bill de Blasio and Eric Adams — have announced that they would fix this vital artery. But both administrations were unprepared for the ferocious community opposition to their ideas on how to proceed. Both struggled to build any consensus at all as local residents countered with their own ideas. The endless back and forth led to more delays and inertia.

The standoff over the B.Q.E. has become, more broadly, a symbol of the power that local communities wield over critical infrastructure projects around the nation.

Though community opposition is hardly new, it is thriving today as residents have become more nimble and sophisticated at influencing projects, or halting them entirely. They strategize about just who to target with their ads and protests, assemble technical experts and consultants to argue on their behalf, and extend their reach with email blasts, online petitions and social media.

In Los Angeles, a plan to widen the 710 Freeway, one of the nation’s busiest freight corridors, was canceled in 2022 amid community opposition. A major street improvement project in Detroit was paused last summer, in part over the public’s concerns about its design, while state officials took another approach. And a Buffalo project championed by New York Gov. Kathy Hochul to reconnect communities divided by a highway stalled recently after a state court ruled in favor of critics.

This community pushback is often characterized as NIMBYism — the “not in my backyard” impediment to change — but the reality is more nuanced. Many Brooklyn residents say they are not against improving the B.Q.E., and, in fact, are fighting for a better future with less traffic and more space for people.

But now, time is running out for the triple cantilever.

A highway in decay

The cantilever structure anchors a 1.5-mile stretch from Atlantic Avenue to Sands Street that is owned by the city. The rest of the 16-mile highway belongs to the state.

Even before the latest effort, state transportation officials had sought to rehabilitate the cantilever section in 2006. They dropped the project in 2011, citing fiscal concerns and other priorities. That left the problem to the city.

The triple cantilever was increasingly flagged for potential safety hazards, said Bojidar Yanev, a former city transportation official who oversaw inspections from 1989 to 2018. “The structure was unraveling,” he said.

Since at least 1996, the city has fastened metal mesh sheets to the underside of the roadway, particularly below joints, as a stop-gap measure to hold crumbling concrete in place and prevent accidents.

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Brooklyn-Queens Expressway

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Click the link below for the complete article:

https://www.nytimes.com/interactive/2025/11/26/nyregion/brooklyn-queens-expressway-new-york-highway.html

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Happy Thanksgiving Everyone 2025

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How Wild Turkeys Made a Comeback from Near Extinction

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Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman.

For millions of Americans, Thanksgiving is simply not Thanksgiving without turkey. The bird is native to North America. And yet by the middle of last century, the most likely place to find one was on the dinner table.

A combination of deforestation, agricultural expansion, and overhunting almost brought America’s favorite gobblers to the brink of extinction in the wild. But these days, across the U.S., there are more than six million wild turkeys, up from a low in the 1930s that some observers estimated to be as few as roughly 30,000 birds.

Here to tell us more about the species conservation success story is Michael Chamberlain, National Wild Turkey Federation Distinguished Professor at the University of Georgia.

Thanks for taking the time to chat with me today, Michael.

Michael Chamberlain: Glad to talk to you.

Pierre-Louis: So I think when people think about charismatic critters, they think of bears or coyotes or wolves, and if they think about birds at all, they might think of eagles and hawks; they probably don’t necessarily think of the turkey. Why have you dedicated your career to sort of studying the humble gobbler?

Chamberlain: Yeah, so I got an opportunity in graduate school to kind of pick the research project that I was working on, and one of the options was to work with wild turkeys, and I grew up, as a young person, hunting turkeys in the fall. And so I was really interested in them from that standpoint, but then, when I started doing field research involving turkeys, I became really fascinated with their behavior and how they function as a bird, and the rest is history—I’ve been studying turkeys ever since.

Pierre-Louis: You said you got really fascinated by their behavior. What are some of the fascinating things that they do that, you know, maybe most people don’t know about or don’t even really think about?

Chamberlain: Turkeys have a really complex social system. So when you see a group of turkeys—let’s say there are 10 …

Pierre-Louis: Mm-hmm.

Chamberlain: There’s a very structured order to those 10 birds: there’s a dominant bird, and then there’s a No. 2 bird and a No. 3 bird and a No. 4 bird, and so on and so forth. So those are called dominance hierarchies. And that group of birds, their entire lives are dictated by that dominance structure.

And so that’s why you constantly see turkeys kind of bickering with each other, they’re chasing one another, because they’re constantly testing those dominance hierarchies. And I think a lot of people don’t realize how structured a turkey’s life is, from—literally, from the day they hatch. They’re constantly trying to one up each other and become the dominant bird.

Pierre-Louis: Are there perks to being the dominant bird?

Chamberlain: For sure. There’s preferred access to foraging resources, so the dominant birds are going to—are going to, basically, push off subordinate birds and access food. The dominant birds are going to breed first and more often. So if you’re a male and you’re dominant, you’re going to breed with more females than a subordinate bird.

And if you’re a female, you’re going to reproduce first, you’re going to nest first because you’re the dominant bird, and there’s perks to that because the early bird gets the worm, so to speak. In the turkey world, if you produce a nest early, you’re much more likely to be successful. And if you are successful, your poults, which are the young turkeys that hatch, they’re much more likely to survive if they’re hatched earlier.

So there are definitely perks to being dominant.

Pierre-Louis: So I used to live in the Boston area for a while, and in that area wild turkeys are kind of famously menaces, you know? You see them, like, on the street [Laughs] …

Chamberlain: [Laughs.] Yeah.

Pierre-Louis: Attacking the city bus, holding up traffic. But there was a time when turkeys, despite being from North America, weren’t quite so ubiquitous. Can you talk a little bit about the bird’s decline and then their resurgence?

Chamberlain: So basically, turkeys have gone through this kind of full-circle recovery, if you will. So as the U.S. continent was settled, colonization occurred, turkey populations were really decimated by overharvest—in many ways, for subsistence, right? I mean, humans were trying to put food on the table. And at the same time, we were clear-cutting a lot of the eastern forest of North America as colonization was occurring. And so you saw turkey populations really plummet until around the 1950s and ’60s.

At that point you saw a shift where conservationists, wildlife agencies, nonprofits, they started focusing attention on restoring wild turkeys to their former, you know, range, and so what you saw was the trap and transfer of wild birds. Basically, people like me went into remaining populations of turkeys, we used nets to capture those wild birds, and then we translocated them to places where they had been extirpated, and turkey populations exploded in the 1960s, ’70s, ’80s and ’90s.

And now what you’ve kind of seen is a lot of populations, particularly in the Southeast and the Midwest, have declined over the last few decades, and, and there’s a lot of reasons for that, and those reasons are quite complex, which is why I have a job.

They include everything from habitat loss to habitat degradation and fragmentation. We know there are disease issues with turkeys that are very complex. Predator populations, things that eat turkeys and their eggs, appear to be at apex levels now. Predators like coyotes and bobcats, and raccoons, birds of prey, that were persecuted many decades ago, those populations have flourished now.

And so the factors that are influencing turkey populations are very different now than they were 40 or 50 years ago, and we’ve seen predictable declines because of that.

Pierre-Louis: I was reading something where—I think it was Massachusetts, in the 1950s, said that the bird was functionally extinct in the state at that point …

Chamberlain: Uh-huh. That’s right.

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https://static.scientificamerican.com/dam/m/4484cd04ad3205d0/original/2511_SQ_WED_WILD_TURKEYS.png?m=1764009203.966&w=900Education Images/Contributor/Getty Images

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Click the link below for the complete article:

https://www.scientificamerican.com/podcast/episode/the-conservation-success-that-saved-wild-turkeys-across-the-country/?_gl=1*1wbflo5*_up*MQ..*_ga*MTY3MzIzMDQ5My4xNzY0Mjk4OTYx*_ga_0P6ZGEWQVE*czE3NjQyOTg5NjAkbzEkZzAkdDE3NjQyOTg5NjAkajYwJGwwJGgw

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5 mindset shifts to utilize your time better as a working mom, according to a Wharton professor

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Below, Corinne Low shares five key insights from her new book, Having It All: What Data Tells Us About Women’s Lives and Getting the Most Out of Yours.

Corinne is an economist and professor at the Wharton School of the University of Pennsylvania. Her research has been published in journals such as the American Economic Review, the Quarterly Journal of Economics, and the Journal of Political Economy. She also regularly speaks to and advises companies on their practices.

What’s the big idea?

Women face unequal demands at home and in the workplace, making “having it all” costly. Research shows how hidden factors shape choices and offers a way to reclaim time, energy, and joy.

1. It’s not in your head; it’s in the data

In 2017, I gave birth to my son—and had a midlife crisis. Things that used to work, like commuting two and a half hours to my job, just didn’t add up anymore. I was constantly stressed, angry, depleted, and so tired all the time. Pumping in the Amtrak bathroom, crying that I would miss my son’s bedtime because of a train delay, I wondered, Is it just me?

I started studying women’s time use, and the data told me I was far from alone. Women are getting squeezed from all sides. As our time in the labor market has increased, our time on home responsibilities hasn’t declined accordingly. This is for two reasons:

  • Men’s time spent cooking and cleaning has stayed fixed since the 1970s.
  • The way we parent has become much more intensive than a generation ago.

Mothers in the ’80s were not babywearing and pumping at work or driving to a million activities. I grew up in the ’80s, and we were out riding bikes with no snacks and no water bottles—we must have been very dehydrated! The parenting game has changed.

Some changes are great and have to do with our greater understanding of child development, but we spend almost twice as much time with our kids as compared to mothers only a generation ago. Without getting sufficient help from our partners, there just aren’t enough hours in the day.

The amount our partners do also doesn’t change when women are the primary breadwinners at home. Women who are the breadwinners still do twice as much cooking and cleaning as their lower-earning male partners—winning the bread and baking it too.

If you look at time usage over a lifecycle, you see women’s time use on kids and housework swells to a mountain in our thirties (a period I call “the squeeze”), and the mirror image of that is our time on leisure and career investments, which goes down like a valley. During that period, time inequality with men is also at its peak. They do less childcare and housework and have more work and leisure time. We need to figure out a different way forward.

2. Your goal in life is utility, not career success

The problems facing women in the workplace are structural. We’re trying to be a Frankenstein of a super career woman at the office and an Instagram mom at home. We feel like we’re falling behind because we’re trying to do more (succeed in a world built by and for men) with less. But economists model human beings as maximizing not career success, not prestige, but their utility function.

“Your utility function is unique to you.”

Utility is like a firm’s profit function. Your personal profit function is made up of all the things that bring you joy, meaning, and fulfillment over the course of your lifetime. If you were to look back at your life when you’re 85 years old, what would make you say, That was a life well lived? Your career is part of that, but it’s not the whole thing.

Your utility function is unique to you. Only you know what brings you the deepest feelings of satisfaction. So, you can’t compare yourself to someone else in terms of accomplishment because they’ve accomplished different things—their utility function is different! Meaning, they’re maximizing something else.

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https://images.fastcompany.com/image/upload/f_webp,c_fit,w_750,q_auto/wp-cms-2/2025/11/p-91439005-better-mindsets-for-a-working-mom.jpg[Source Image: Pexels]

Listen to the audio version of this Book Bite—read by Corinne herself, or in the Next Big Idea App.

 

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Click the link below for the complete article (sound on to listen):

https://www.fastcompany.com/91439005/time-working-mom-mindset-shifts-wharton

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Hong Kong’s Worst Fire in Generations Fuels Scrutiny of Safety Lapses

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Residents, many of them older, described narrowly escaping and complained that they had been given no warning, not even by a fire alarm. Public anger rose over whether Hong Kong’s building-safety system has kept pace with the vulnerabilities of one of the world’s fastest-aging populations.

Some observers and local politicians began to ask whether the disaster was the result of corruption and a lack of accountability, as residents raised questions about perceived collusion between housing committees that oversee maintenance and renovations of such estates and contractors.

The latest death toll makes the fire the deadliest since a 1948 warehouse fire killed 179 people. It also surpassed the toll of the blaze that broke out at Grenfell Tower, an apartment block in central London in 2017, in which 72 people were killed.

“This is absolutely scandalous, this is not what Hong Kong is known for,” said Emily Lau, a longtime pro-democracy politician and former lawmaker who now hosts an interview show on YouTube. She said the scale of the tragedy pointed to insufficient government supervision: “This has opened up a can of worms about misconduct.”

In the face of mounting questions and pressure from China’s leader, Xi Jinping, for “all-out efforts” to respond to the disaster, the Hong Kong government moved to show it was taking swift action.

ohn Lee, the Beijing-backed chief executive of Hong Kong, visited the site and later told reporters that the fires were under control. He announced a 300 million Hong Kong dollar, or $38 million, fund for victims. His government also kicked off a citywide inspection of housing estates currently under renovation. The city’s anticorruption bureau also announced it was setting up a task force to investigate potential corruption related to the construction work on the complex.

By Friday morning, the blaze had been largely extinguished, and firefighters were conducting search-and-rescue operations. But the fire was another crisis for Mr. Lee’s government, which already faces demands from Beijing to fix Hong Kong’s housing market, one of the least affordable in the world, and shore up the economy.

And as public distrust swells, with people posting videos and photos online expressing concern about what they feared was flammable construction materials on other buildings, the political fallout could be significant.

“A bigger question is this: Should a senior official take overall responsibility for this horrendous fire?” said Wang Xiangwei, an associate professor of journalism at Hong Kong Baptist University.

The authorities said that a preliminary investigation revealed that protective nets, tarpaulin, and other materials used for the renovation may not have met fire-safety standards. They identified the registered contractor for the building complex as Prestige Construction and Engineering Company.

The mesh netting was probably a factor in how quickly the fire spread, said Tony Za, a former chairman of the Hong Kong Institute of Engineers Building Division. Typically made of fibers and plastic, such netting is used to keep construction materials and other objects from falling off bamboo scaffolding — which companies in Hong Kong commonly use when repairing a building’s exterior — and hitting the ground below.

Bamboo scaffolding may have also contributed to the blaze, experts said. The government announced earlier this year that it would phase out the use of the material and replace it with steel scaffolding, for greater safety. Last month, another bamboo scaffolding caught fire in Hong Kong’s central business district. That incident along with the devastating fire this week would likely accelerate the construction industry’s switch to metal scaffolding, Mr. Za said.

The government’s investigation also pointed to foam boards that had been found installed on windows.

One Wang Fuk Court resident, Lau Yu Hung, a 78-year-old resident, said that many of the windows in his building were covered with a thin layer of polystyrene foam, and that he had heard that it was meant to protect the glass from the repairs being done to the facade.

The material blocked much of the light and prevented residents from seeing outside, he said. It was only because of a small gap in the foam covering his bathroom window that he had been able to see that a neighboring building was on fire and escape in time, he said.

The blaze spread quickly in this complex of about 2,000 units, which housed many retirees. Some residents had lived there for decades after having purchased their apartments through a government-subsidized homeownership program in the 1980s. Mr. Lau said he had lived there for 20 years.

Near the complex, dozens of family members still searching for their loved ones gathered outside to file slowly into a community center where they viewed photos of victims.

S.F. Chiang, 68, had gone there to see if her missing 62-year-old brother and 24-year-old niece were among the victims. But she did not find them among the photos that the police provided. “My heart hurts to think about them,” she said.

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Photo by Lam Yik Fei

https://static01.nyt.com/images/2025/11/27/multimedia/27int-hong-kong-fire-ledeall-add2/27hong-kong-fire-carousel-zzz-cglw-superJumbo.jpg?quality=75&auto=webp

Residents resting at a temporary shelter near the Wang Fuk Court apartment complex.Credit…Billy H.C. Kwok for The New York Times

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Click the link below for the complete article:

https://www.nytimes.com

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