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Advocates want $150M collectively in state budget for food assistance programs
Advocates say the need is dire as more New Yorkers are having to make difficult choices when it comes to how they spend their money.
Bluffton business delivering support to cancer patients
But at one Lowcountry hospital, patients are getting a boost from an unlikely source.
A mission NASA might kill is still returning fascinating science from Jupiter
We can’t quite afford to support everything that we have done in the past."
DarkSword exploit leaks on GitHub
The exploit is now publicly available on GitHub, increasing the urgency for older iPhones and iPads to run the latest available iOS and iPadOS versions.
SP40 Restomod Is Built Around The One Ford That Edsel Actually Got Right
Carbon-bodied SP40 brings the style of Edsel Ford’s one-off speedster to a wider audience
Henderson County launches crisis response program for behavioral health emergencies
In Henderson County, officials say a new program is already working to respond when someone is in crisis, often through a 911 call.
Colorado Sen. Mike Weissman calls for cold water on heated hate speech
Likening the recent record-setting warm temperatures to hot political rhetoric, Colorado Sen. Mike Weissman, D-Aurora, pleaded for an end to death threats and other hate speech directed at lawmakers of both parties. “The increasingly tragic reality of our politics, however, like the increasingly tragic reality of our climate, is one of combustibility,” Weissman said from the well […]
Someone has publicly leaked an exploit kit that can hack millions of iPhones
Leaked "DarkSword" exploits published to GitHub allow hackers and cybercriminals to target iPhone users running old versions of iOS with spyware, according to cybersecurity researchers.
Jensen Huang softens DLSS 5 response, says “I don’t love AI slop myself”
Jensen Huang changes tone on DLSS 5 Jensen Huang has shifted to a softer tone on DLSS 5 criticism, saying he understands why some players reacted
Kraken assume majority ownership of Climate Pledge Arena
The Seattle Kraken ownership group, led by Samantha Holloway, announced the creation of One Roof Sports and Entertainment on Monday.
Louisiana's health secretary wants AI on the phones and the website
Louisiana residents may see changes in calling the state health department or using its website if it turns to artificial intelligence to save money. The department is examining how it can implement AI over the next few years to make residents’ experiences more efficient and reduce spending, Louisiana Department of Health Secretary Bruce Greenstein said […]
iOS 26.4 offers two Liquid Glass customization updates
iOS 26.4 is launching soon, and it will bring two updates for how you can customize the Liquid Glass design on your iPhone.
Funding restored for crucial behavioral health programs, leaving related services as is
The Joint Finance-Appropriations Committee voted to restore funding for two crucial behavioral health programs. Leaving other supplemental services on the table
Science Through Shadows: How Astronomical Alignments Reveal the Universe
When one celestial object passes in front of another, it can cast a shadow that travels across space – and sometimes across Earth. These moments of alignment, known as eclipses, occultations, and transits, allow scientists to study distant objects in remarkable ways. By observing how light changes when an object briefly blocks another, astronomers can measure sizes and shapes, detect atmospheres, and refine the orbits of asteroids and planets.
How LuGus Studios Turned a Viral Prototype Into a Successful Business
LuGus Studios discusses building Liftoff, growing a niche drone sim audience, and sustaining a 15-year indie studio through community-driven development, iterative workflows, and a focus on impact over scale.
Apple has six new products that could launch soon, per rumors
Apple has already launched many new products this year, but rumors indicate there are another six product debuts that could happen soon.
Fall River's Day of Portugal announces dates, entertainment lineup for 2026
A festival that brings food, faith, and entertainment to the city will be returning once again. Day of Portugal Fall River, which takes place every year at the Gates of the City down near the waterfront on Ponta Delgada Blvd., is back in 2026. One of the more popular events in Fall River which
Ben White called up for England: Why Real Madrid's Trent Alexander-Arnold continues to be frozen out
Manager Thomas Tuchel has one of the most skilled right-backs in the world to call upon, but hasn't figured out a way to make him worth it
Kraken owners take step toward a Seattle Sonics NBA team
Seattle Kraken ownership has launched a parent brand, One Roof Sports and Entertainment, that could include owning an NBA expansion Seattle Sonics team.
Nvidia CEO Says He Hates AI Slop Too After DLSS 5 Panic
Jensen Huang tried again to defend one of the company's most unpopular initiatives
Kraken create One Roof Sports & Entertainment in expected pursuit of NBA expansion team
Kraken owner Samanatha Holloway created the umbrella brand One Roof Sports & Entertainment on Monday, a transaction that gives her a majority stake in Seattle’s Climate Pledge Arena and is a likely precursor to a bid for an NBA expansion franchise.
Kraken create One Roof Sports & Entertainment in expected pursuit of NBA expansion team
Kraken owner Samanatha Holloway created the umbrella brand One Roof Sports & Entertainment on Monday, a transaction that gives her a majority stake in Seattle’s Climate Pledge Arena and is a likely precursor to a bid for an NBA expansion franchise.
From radio to newsreels to Netflix, Yankees chart course through entertainment history
For more than a century, the Yankees have been more than a baseball team. The sport’s most storied franchise is a pop culture touchstone, a versatile backdrop that serves as both a symbol of excellence and a punchline across television, movies and more. So as the Yankees prepare to break
F1 CEO talks US growth as business accelerates
Formula One (F1) CEO Stefano Domenicali joins Yahoo Finance Executive Editor Brian Sozzi to discuss F1's rapid growth in the US market, new racing regulations, and more. Watch the video above to hear more on the sport's focus on expansion and entertainment.
Bird‑like robots promise greater flexibility and control than drones
A bird banking in a crosswind doesn't rely on spinning blades. Its wings flex, twist and respond instantly to its environment. Engineers at Rutgers University have taken a major step toward building bird-like ...
NBA MVP rankings: Luka Dončić is rising, but can anyone take the trophy from Shai Gilgeous-Alexander?
The MacBook Neo proves Apple is leaving a door wide open for Google’s ‘Aluminium OS’
Apple recently did something that, on paper, seems to make no sense. They launched the MacBook Neo; a $599 laptop powered by the A18 Pro chip that, in a previous life, powered the iPhone 16 series....
Voice of America Journalists Sue, Saying Trump Officials Interfered in Coverage
The journalists said in the complaint that the administration was trying to force them to be a “mouthpiece” and that one official demanded “loyalty” if reporters wanted to “keep their jobs.”
iPhone Air Said to Be Roughly Twice as Popular as iPhone 16 Plus
While it certainly has its critics, the iPhone Air appears to have validated Apple's decision to retire the iPhone Plus, if new results from an independent analysis are anything to go by. Crowdsourced Speedtest data published by Ookla suggests the iPhone Air captured 6.8 percent of iPhone 17 generation samples in the U.S. during the fourth quarter of 2025, up from the 2.9 percent share the iPhone 16 Plus managed in the same launch window a year earlier.
Microsoft-backed startup raises $40 million for advanced chipmaking equipment tech
Lace, a Norway-headquartered chipmaking equipment startup which is backed by Microsoft, has raised $40 million in funding to further develop a technology that could enable significant advances in semiconductor design and manufacturing, the company said on Monday. To make cutting-edge chips, manufacturers such as Taiwan Semiconductor Manufacturing Co and Intel employ a process called lithography that uses light to draw complex circuits that form the foundation of advanced artificial intelligence chips. Manufacturers use light-based lithography systems made by the Dutch company ASML - which dominates the market - as they race to shrink chip components and squeeze in more features to boost the computing horsepower on a limited area of silicon.
Why Kyle Shanahan believes Mike Evans, Christian Kirk picked 49ers over others
Veteran wide receivers Mike Evans and Christian Kirk could have made more money elsewhere, but there was a common reason why they picked the 49ers.
Revolutionary Submarine Mysteriously Disappears Without a Trace – Scientists Are Now Preparing for a Bold Return
A pioneering robotic submarine that explored beneath Antarctica’s glaciers has been lost, but its discoveries are reshaping our understanding of ice melt as a more advanced successor is prepared to continue the mission.
Apple Reportedly Preparing 'Biggest Set of iPhone Revamps' Ever
Apple is working on "the biggest set of iPhone revamps in the product's history," according to the latest word from Bloomberg's Mark Gurman. Specifically, he is referring to the long-rumored foldable iPhone, as well as an ambitious 20th-anniversary iPhone with a truly "edge-to-edge" design.
What’s the new 'Background Security' on the iPhone? What we know.
Apple's new Background Security Improvements operate between software updates, providing "lightweight security releases."
Oppo teases global Find X9 Ultra launch as new OnePlus shutdown rumors swirl
Oppo is busy teasing its global launch of the Find X9 Ultra but, meanwhile, a new rumor suggests that OnePlus...
Exclusive: Prenuvo expands full-body MRI protocol. What's new?
Prenuvo is launching a new bloodwork component to complement its full-body MRIs. Here's what to know.
Add this one line to your AI prompts for faster, better answers
This handy prompt add-on can save you from tedious back-and-forths with your AI.
WSU launches bilingual video series to help beekeepers improve colony health
Researchers with WSU's Honey Bee and Pollinators Program have produced a new video series giving novice keepers a strong introduction to best practices and the science of apiculture, in both Spanish and English.
Trump to Maria Bartiromo: Iran wants to make a deal badly, could be within 5 days or sooner
Maria Bartiromo reports that President Donald Trump says Iran ‘wants to make a deal badly’ as he orders a five-day pause on planned strikes against key infrastructure, signaling ongoing high-level talks and triggering a sharp market rebound.
Blue Jays extend manager John Schneider, GM Ross Atkins following World Series appearance
The Blue Jays are locking up two architects of the team's World Series run.
Danone to buy protein shake maker Huel as health nutrition craze drives demand shift
Merging the companies is an opportunity in fast-growing nutrition space, said Danone CEO Antoine de Saint-Affrique.
A surprising foam discovery could change everyday products
Foams have long baffled scientists because liquid drains from them far sooner than theory predicts. New research shows the reason: the bubbles don’t stay put—they rearrange, opening pathways for liquid to escape. The key factor is the pressure needed to shift bubbles, not just push liquid through them. This insight reshapes how we understand foams and could improve everyday products.
Small Business Promotion Week: Hey Honey Marketplace
Jennifer Reeves, nurse turned boutique owner, came up with the idea for Hey Honey Marketplace, a boutique on Abram Street that aims to not just be a store but a community gathering place for women.
Building a Culture of Health: BJACH Opens Armed Forces Wellness Center at Fort Polk
FORT POLK, La. — Bayne-Jones Army Community Hospital marked a significant step forward in supporting warfighter readiness and community well-being with the grand opening of its new Armed Forces Wellness Center on March 23. The center, located on the first floor inside BJACH, provides Soldiers, Families, civilian employees and beneficiaries with access to personalized health assessments, education and coaching designed to improve overall health and performance.
How the term ‘neurodivergent’ moved from activists to pop culture
Nick Minaj is one of the most recent Trump supporters to identify herself as “neurodivergent,” embracing a narrow definition of a once-niche term commonly associated with autism and ADHD.
The debate over Trump’s mental health: ‘Malignant narcissist ’ or ‘superhuman president’?
While some warn of the danger of having someone suffering from ‘cognitive decline’ in the White House, his inner circle attributes his outbursts to his iconoclastic personality
The problem with Trump promoting "gold standard science"
This simplistic branding is confusing, misleading, and potentially harmful to scientific literacy.
Trump orders War Dept to postpone strikes on Iranian energy sites, citing 'productive' talks to end war
President Donald Trump, in an all-caps post early Monday morning, declared progress toward "resolution" of the war on Iran.
Samsung's Galaxy S26 will get Apple AirDrop support starting today
The feature was first launched on Pixel 10 phones last year.
Peace of mind was Mikaela Shiffrin's biggest victory in 2026 Winter Olympics
Olympic legends Mikaela Shiffrin and Simone Biles are fierce advocates for athletes prioritizing their mental health.
‘President Trump is right’: The White House’s go-to line about Trump’s false claims
President Donald Trump’s White House spokespeople have a favorite two-step reply when reporters ask them to comment on one of Trump’s false claims.
Browns coach Todd Monken’s strong suit is blunt honesty without the politics
Monken's authenticity and commitment are strengths, said the Southern Miss AD who hired him for his only other head-coaching job in 2013.
Report: iPhone Air is about twice as popular compared to the Plus model it replaced
According to cellular network data from Ookla, the iPhone Air is about twice as popular compared to the iPhone 16...
Sound Advice: A quality soundbar to take your home entertainment system to the next level
Q. You mentioned that the TCL QM9K television sounded so good that an external soundbar was not necessary. I find that most televisions sound awful,...
Banijay Entertainment Dials Up Global Scripted with Premium Series Mania Slate
Media and entertainment powerhouse, Banijay Entertainment, today unveils its premium scripted offering for Series Mania, showcasing a broad range of high-end drama from across its global portfolio. As the number one European studio in scripted, with more than 100 titles launching each year, the company continues to demonstrate its scale, creative strength, global reach and […]
Mailer in Germantown school election has one big problem
An outside political group urges Germantown School District voters to re-elect a candidate who isn't on the ballot.
There’s little information about a large measles outbreak in Florida, so we went to see it
One of the largest measles outbreaks the US has seen in decades erupted at Ave Maria University in Florida, but very little information was being shared with the public. So CNN went to the small Florida town to learn what’s driving the case count.
New York approves cannabis for anxiety. Science says it may not help
A Lancet Psychiatry study found no evidence cannabinoids treat anxiety, PTSD. In NY, any practitioner can certify a patient for medical cannabis for any condition they deem appropriate.
'ET's' archive has William Shatner on a whale and a young Taylor Swift
'Entertainment Tonight' is digitizing and preserving its archive of 45 years of interview set visits and red carpet walks, which include gems like George Clooney's first interview.
'A towering figure in French politics': reactions to Lionel Jospin's death pour in
Lionel Jospin, Socialist prime minister of France from 1997 to 2002, has died.
German men's biathlon coaches stay, women's coaches leave after flop
Tobias Reiter und Jens Filbrich have kept their jobs as coaches of Germany's men's biathlon team despite their equivalents in the women's team leaving their roles. The season which finished on Sunday was hugely disappointing for the former biathlon powerhouses, with just one Olympic bronze medal and no World Cup wins.
Science Explains Why You Wake Up at 3 am, and How to Go Back to Sleep
About one in five people have middle-of-the-night insomnia.
An end to the battle between touchscreens and long fingernails is on the horizon
Anybody who has tried to use a smartphone or tablet with long nails knows that there's a learning curve. Rather than effortlessly tapping with a fingertip, you must awkwardly lay the pads of your fingers ...
Sheffield business owners 'don't feel safe' next to illegal waste site
An Attercliffe dumping ground is identified as one of the worst in the country by the government.
Coeur d'Alene's science guy
Ahead of his retirement in May from the teaching staff at Arizona State University, behavioral neuroscientist Brian Smith has put his focus into making science more accessible to more people. “There's a lot of misunderstanding what science is,” Smith said.
‘Anyone but Labour’ or ‘anyone but Reform’? Clash of animosities likely to define May local elections
While Labour braces for a rout that could see off Starmer, a rising drive to keep out Farage is complicating expectations
Best selling author Marie Benedict to talk at the United Theatre
WESTERLY — Marie Benedict, the Pittsburgh-based author known for using real — mostly forgotten — women as inspiration for her bestselling works of historical fiction, was on the phone Tuesday
Experience shone through for Manchester City at Wembley against Arsenal
Manchester City claimed the first piece of silverware for the 2025/26 season with their 2-0 win over Arsenal at Wembley in yesterday’s Carabao Cup final. A second half brace from Nico O’Reilly was...
Yankees set to leave Florida in good health one year after spring from hell with one question looming
And just like that, Camp Snooze is over — at least the Florida portion.
Michigan State basketball time, TV channel set for Sweet 16
Michigan State basketball knows when it will be playing, even before it knows its opponent in the Sweet 16 in Washington on Friday night.
These Michigan U.S. Senate candidates took money from ICE contractors
Anti-ICE messaging is expected to be featured prominently in Michigan's hotly contested U.S. Senate Democratic primary.
Two new features are officially announced today for the Google Messages app
Google makes it easy to notify members of an RCS group chat while your wife isn't the only reason you're taking out the trash.
Samsung reverses big S Pen change for Galaxy S27 Ultra after bold experiment fails
Samsung has backed away from one of its more ambitious S Pen experiments for next year’s Galaxy S27 Ultra, choosing to stick with its long-standing digitizer-based input system after testing a radically thinner alternative. According to ETNews, Samsung had been exploring a new pen technology that could eliminate the digitizer layer inside the display. The […]
One dead after shooting at Last Call Sports Bar in Jackson
One person is dead after a shooting at Last Call Sports Bar early Sunday morning.
Column: Accessing mental health support shouldn’t require a walk across campus
"While well-intentioned universities have developed mental health support systems, they are poorly designed to meet students’ needs."
Alvaro Folgueiras hits game-winner to lift Iowa past No. 1 Florida, into first Sweet 16 since 1999
Florida's hopes at back-to-back national titles are gone.
Arizona Diamondbacks Spring Training Gameday Thread, #30 @ Padres
Roster moves The Arizona Diamondbacks made the following roster moves and have 33 players in camp. Optioned to Triple-A Reno: Reassigned to Minor League camp: The first of these is a bit of a surprise. Only yesterday, I was noting how Abner seemed to have the inside track for left-handers job, after the recent meltdowns […]
Jerry Hanlon, longtime Michigan football coach, dies at 96
"Michigan Athletics has lost one of the finest ambassadors and mentors our football program has ever known," U-M AD Warde Manuel said in a statement.
Alcaraz eyes clay court season after early Miami exit
World number one Carlos Alcaraz remained confident his game is improving despite a third-round exit at the Miami Open, and after a few days to reset he'll be turning his attention to the clay court season.My mind right now is to take some days off, to reset my mind, reset the batteries, be ready and in good shape for the clay season."
Hackaday Links: March 22, 2026
On Friday, Reuters reported that Amazon is going to try to get into the smartphone game…again. The Fire Phone was perhaps Amazon’s biggest commercial misstep, and was only on the market…
Why Have Patriots Not Done More To Address Pass Rush?
The New England Patriots had just 35 sacks last season, ranking near the bottom of the league in the regular season.
Your Thymus and Your Healthspan
Our thymus gland plays a central role in the development or our immune system, specifically for supporting T cell development (how these cells got their name, maturation and differentiation in the thymus) and discriminating between self and foreign, non-self antigen proteins with production of dendritic cells. As we age, our thymus gland shrinks—the process known as involution—with progressive change from spongy to fatty tissue, with loss of functionality. But this process, with respect to timeline and extent, markedly varies from one person to the next. And to make things even more complicated, our thymus gland anatomy and precise location in the chest also is highly variable. So the famous Frank Netter diagrams from the 1960s (such as at left below) don’t capture the remarkable heterogeneity that a random set of 12 chest CT scans (below at right). What I consider as 2 landmark papers in Nature this week (here and here) used AI to quantify health of the thymus in 2 large cohorts, and then correlate the metric to a broad array of health outcomes. In this edition of Ground Truths, I’m going to cover three questions: (1) How was thymus health determined by AI?; (2) How is thymus health linked to key clinical outcomes? and (3) Are there ways we can promote a healthy (aka rejuvenate) thymus gland in our later years? Subscribe 1. How was thymus health determined by AI? This was accomplished by extensive work developing and validating an AI pipeline for 2 stages, the first for localization and segmentation of the thymus bed, and the second to quantify a digital marker, termed the thymic health score. There’s a lot to this algorithmic development, so I won’t go into all the details, but just provide a rudimentary outline of what was done. The 1st stage used supervised learning with 2 radiologists reviewing 2,461 chest CT scans. That work trained a 3D U-Net model to automatically identify the thymic bed’s 3D cropped region using center of mass coordinates, which reached 99.8% accuracy. The 2nd stage used a foundation model that was pre-trained with SwAV (which stands for Swapping Assignment between multiple Views), a self-supervised model, that generated a high-dimensional thymus representation of 4,096 features. That compares to the radiology reductionist and subjective scoring of 0 to 3 where 0 means the thymus is fully degenerated and fatty, and 3 is considered dense, intact glandular soft tissue. Notably, the self-supervised learning (SSL) performance was superior to supervised (AUC ~0.75 vs 0.55, respectively) reflecting the shallowness of the 0-3 classifier vs SSL’s holistic, self-taught AI. The thymic health score ranged from 0 to 100, with the highest number indexed to fully preserved thymic health. The algorithmic work extended to explainability with both Shapely value distribution, meaning the model was holistic not relying on any “magic” pixel, and occlusion sensitivity, demonstrating the model’s performance was not affected by ribs, sternum, lung tissue, but rather focused on the thymic bed directly. Below are a few saliency maps from the occlusion sensitivity that indicate the thymic bed focus, not affected by neighboring structures, using the jet color scale. Now the AI was ready for processing ~25,000 CT scans, each over 30 MB files, from the 2 large participant cohorts to provide a thymic health score, it did so in less than 14 hours, which is less than 2 seconds per scan! Share 2. How is thymus health linked to key clinical outcomes? The two cohorts were the National Lung Screening Trial, NLST (N=25,031) and the Framingham Heart Study, FHS (N=2,581) each with baseline demographics and long term follow up of >12 years for health outcomes. From the NSLT, you can see below that increased age and body-mass index were correlated to reduced thymic health. And, overall, men had reduced thymic health scores compared with women. There are a lot of graphs in the paper for outcomes, for both the NLST and FHS cohorts. To simplify the major outcomes, below is a composite Figure with striking reduction of all-cause mortality and for the different causes of death. The results were consistent between the 2 cohorts. For example, the cardiovascular mortality hazard ratio average was 0.57 in NLST and 0.38 in FHS (weighted to be 0.53 for the aggregate). The reduction of mortality also extended to digestive diseases and pulmonary disease (data not shown below). Lung cancer incidence was reduced by 36% for high vs low thymic health (Figure below, with a panel -incidence and b panel-mortality, adjusted for age, sex, BMI, smoking status). Notably, there was a smoker’s paradox: lower incidence and improved survival for lung cancer in smokers who had a high thymus health score. Smoking was associated with lower thymic scores whereas alcohol was not. Higher thymic health was linked to higher HDL cholesterol, lower triglycerides, lower fasting blood glucose, and lower systolic and diastolic blood pressure. Inflammation biomarkers, such as C-reactive protein and interleukin-6, were elevated in the people with lower thymic health scores. In their second paper, the same team looked at the relationship between thymic score and outcomes for 3,476 patients receiving cancer immunotherapy. The non-small cell lung cancer progression-free survival was reduced in patients with low thymic health score. A parallel relationship for survival was seen for other types of cancer including melanoma, breast, and kidney with a 44% lower risk among high thymic scores (Figure). A similar pattern was seen with different immune checkpoint inhibitors. The thymus health score outperformed programmed death ligand-1 (PD-L1)and tumor mutation burden (TMB) assay of the tumor and was an independent prognostic marker of progression-free survival. In this dataset, a direct connect with thymus score and adaptive immune function was noted with a correlation before cancer treatment for both T-cell diversity and thymus T-cell production (a metric known as T cell receptor excision circles). Thymus Removal Study There is a highly relevant citation about thymus function before moving onto ways to rejuvenate it. In 2023, a very important study of thymus removal during cardiothoracic surgery was published, with 1146 patients undergoing thymus removal vs 1146 matched controls (mean age 55 years). The adverse outcomes for thymus removal were striking, with a 2.9 higher risk of all-cause mortality and doubling of cancer incidence, 1.5 fold increase in cancer mortality, and 1.5-fold increase in autoimmune diseases. The immune function showed marked compromise after thymus removal, as reflected by CD4+ and CD8+ T cells (Figure below) Share Ground Truths 3. Are there ways we can promote a healthy (aka rejuvenate) thymus gland in our later years? In recent months we’ve learned a lot about the process of thymus involution and the pathways by which this may be modulated. Thymus involution is primarily due to loss to thymus epithelial cells (TECs) and there are 2 subtypes with different functions: the cortical, responsible for positive selection of T cells, and the medullary, for negative selection. When adipose tissue infiltrates the thymus, thymic adipocytes are pro-inflammatory, knocking out T-cell output. Likewise, systemic inflammation, or “inflammaging,” from smoking, obesity, and chronic stress promote thymic adipocytes. Now, from preclinical studies, we know about key pathways that account for these processes. Historically, back in 2014, FOXN1 was recognized as a single master transcription factor essential for TEC function, with studies in mice with forced FOXN1 upregulation leading to thymus regeneration. That laid the foundation for potential regrowth of quiescent thymus cells. It took awhile to find pathways to accomplish this goal and to even refute its role as the master regulator. The Liver-Thymus Axis Feng Zhang and his team recently showed that injection of an mRNA vaccine to the liver encoding DLL1, IL-7 and FLT3-L in combination, factors known to support thymopoiesis (Figure), successfully enhanced immune function in aged mice. However, the effect was transient. The FGF21 Story Two reports in 2025 addressed the thymus gland’s production of FGF21, a growth factor (fibroblast growth factor 21) and its control of thymus involution. This growth factor is also produced by the liver, but it doesn’t have impact on the thymus in aged rodent models. In contrast, The liver’s hepatocyte growth factor (HGF) has been shown to reverse senescent TEC structural changes. Growth hormone stimulates production of insulin growth factor-1 (IGF-1) in the liver and the thymus. Two small studies in human participants (TRIIM, for Thymus Regeneration, Immunorestoration, and Insulin Mitigation) of 6 and 50 people, respectively, treated with combined human growth hormone, metformin and DHEA, suggested the potential of slowing epigenetic aging and improving thymus mass and function. But the combination of drugs, small sample, and lack of controls make conclusions murky. Increased thymus FGF21 led to increased CD8 T cells in old mice and extended healthspan and improved physical performance. Building on the previous FOXN1 data, ablation of β-klotho, the obligatory co-receptor for FOXN1, accelerated thymic aging. The benefit to FGF21 was confirmed in a companion paper using an FGF21 knock-in mouse model showing thymus enlargement and increased TECs throughout the lifespan. (schematic Figure below). The accompanying editorial for these 2 papers speculated: “The proposed link between age-associated thymus involution and organismal aging is intriguing, and suggests we might seek to achieve systemic rejuvenation by counteracting thymic involution.” Other Factors Lessons from the Axolotl (Mexican Salamander) In an elegant set of experiments of the axolotl (Figure), known for its complete thymus regeneration after total surgical removal, mediators were identified. Surprisingly FOXN1 was dispensable. But midkine, a growth factor, appeared to be the driver, the initiator of thymus cell growth, survival, and repair. Other components that contributed were Postn+ (periostin-expressing mesenchymal niches) and Ccl19, a chemokine protein from the bloodstream. RANK and RANKL RANK (receptor activator of nuclear factor κB its ligand (RANKL) have been considered key regulators of medullary TECs. In a study of both aged mice and human thymus cell cultures, their key role was confirmed, with multiple benefits of resorting TEC function, recruitment of progenitor cells, and T cell development. Subscribe Summing Up This body of work strongly supports the health of the thymus gland as a critical regulator of human healthspan, not just a correlate or link. The new landmark studies are reinforced by the regenerative biology experimental models that have shown, via an array of mediators, that healthspan of aged mice is at least in part dependent on thymus gland function and its critical role for maintaining adaptive immunity. It sure seems that we’d be better off having an immune reservoir of naive T cells instead of a profile in older adults of exhausted, low quality, memory T cells, with a senescent phenotype. It is striking that we ignored the importance of the thymus gland for many decades. A wake-up call was the results of the thymectomy matched control study reviewed here, with the opposite of high thymic health score improved health outcomes. The convergence of AI and healthspan here is notable. The exceptional and laborious work for developing and validating (no less explaining) the AI to quantify thymus health set the foundation for probing the connect the major health outcomes in two cohorts with extensive follow-up. We’ve never had a way to meaningfully quantify the thymus gland before, so this represents important leverage of supervised, self-supervised, and transformer models. The study wouldn’t have been possible without AI. And it begs the question as to whether there are ways we can maintain our thymus at a high health score. But it’s not so simple to rejuvenate our thymus. There are multiple risks including the induction of autoimmunity, increasing the risk of cancer, and inducing a pro-inflammatory state. For example, factors that increase TEC proliferation could compromise the medulllary negative selection process and leak out auto-reactive (self-attacking) T cells. Thymic cells could be induced to proliferate, but we know, for example, that growth hormone and IGF-1 are associated with an increase risk of cancer. If thymus rejuvenation doesn’t clear out the accumulated senescent cells in older adults, then inflammation within the gland could block the production of TECs. Keeping these risks in mind, we now have identified many ways to keep our thymus healthy as we age that undoubtedly will be tested in clinical trials going forward. Ultimately, the benefit-to-risk tradeoffs will be defined. In the meantime, we have desperately needed an immunome. As I’ve stressed in multiple prior Ground Truths, we have no test in the clinic to assess a patient’s immune status! It was very encouraging for me to get an email from Hugo Aerts, the senior author of the landmark papers in the days after they were published: “I also wanted to say that your Substack on “Why We Need an Immunome” was inspiring for this work. We found it a very compelling perspective and greatly enjoyed reading it.” Just having an assessment of a person’s immune status via a chest CT scan, with millions of these performed per year, might help in guiding the right immunotherapy for cancer (e.g. more intensive, combinations for those with low thymic health scores) and help define people who are increased risk for age-related diseases of cancer, cardiovascular, and neurodegenerative. The main theme of Super Agers is that we now have many layers of data (genetics, proteins, biomarkers, organ clocks that can be integrated via multimodal AI) for us to define a person’s specific risk decades before one of these age-related diseases leads to symptoms, enabling prevention. From the new studies this week, we can add thymus health score as yet another way to understand a person’s risk, a window into their adaptive immune system and healthspan. And perhaps someday we will be able to safely rejuvenate the thymus, or maintain its health through one’s life, and use the thymus health score to monitor. NB: I wrote this post (No A.I.) A Quick Poll Loading... ********************************************************************* Thanks to Ground Truths subscribers (now > 200,000) from every US state and 212 countries. Your subscription to these free essays and podcasts makes my work in putting them together worthwhile. Please join! If you found this interesting PLEASE share it! Share Ground Truths Paid subscriptions are voluntary and all proceeds from them go to support Scripps Research. They do allow for posting comments and questions, which I do my best to respond to. Please don’t hesitate to post comments and give me feedback. Let me know topics that you would like to see covered. Leave a comment Many thanks to those who have contributed—they have greatly helped fund our summer internship programs for the past two years. It enabled us to accept and support 47 summer interns in 2025! We aim to accept even more of the several thousand who will apply for summer 2026.
The Boston Celtics are terrifying to their opponents again
Instead of mailing it in for a season, the Celtics have rebuilt themselves into a contender again against all odds.
Buffalo Museum of Science celebrates 50% completion of upcoming Science Stadium Exhibit
The Buffalo Museum of Science marked a major milestone in its $3 million Science Stadium exhibit, announcing on March 20 the project is now 50% complete ahead of its planned
Mississippi State Health Officer Dr. Daniel Edney, a Vaccine Proponent, Is Under Consideration to Lead the CDC
Dr. Daniel P. Edney, Mississippi’s state health officer and head of the Mississippi State Department of Health, is now under serious consideration to lead the CDC.
Apple’s busy March continues with three notable arrivals this week
Apple has had a jam-packed March so far after launching seven new products and surprisingly announcing an eighth. Looking ahead,...
Messi expected to play, NYCFC vs. Inter Miami live updates
Lionel Messi and Inter Miami shift their focus to MLS play with a matchup against New York City FC at Yankee Stadium on Sunday, March 22.
You're Incredibly Smart If You Can Answer Even ONE Question On This Science Quiz
It's time to channel your inner Bill Nye.
Apple iPhone Fold Might Have A Sun Glare Problem
Given the already high reflectance of iPhone displays, Apple's use of a CoE filter on the iPhone Fold can lead to a sun glare problem.
‘Project Hail Mary’ Author Andy Weir Bases His Blockbusters in Science
The bestselling writer and self-described “dork” explains how he crafts upbeat space-set thrillers from dire scenarios only expertise can solve.
Drew Barrymore says talk show audience member once criticized her dating profile
Drew Barrymore is remembering the time an audience member on her talk show gave his honest thoughts about her dating profile: 'I would probably run away.'
Urgent Apple warning: Update your iPhone, iPad now
Roughly 25% of all iPhones are operating a version of iOS 18.
Bucs facing a tough decision with Baker Mayfield in 2026
The Bucs have to get the contract situation with Baker Mayfield solved sooner rather than later.
'Everybody Loses' author discusses the meteoric rise of sports gambling
Two years ago, Americans bet $120 billion on sports, a 27% increase from the previous year. That figure grew to $150 billion in 2024. Journalist Danny Funt investigates what's considered one of the most consequential — and least scrutinized — shifts in modern American sports in his new book, "Everybody Loses: The Tumultuous Rise of American Sports Gambling."
Third-generation cafeteria owner won't force his 4 sons to take over
Michael Greene, who runs Matthews Cafeteria, shares the highs and lows of managing a family business, and why his kids may not take over one day.
Square Enix announces it will integrate Google’s generative AI Gemini into popular online game Dragon Quest X
Square Enix has found a use for Google’s generative AI Gemini and will be putting it to use in the popular online game, Dragon Quest X. Gemini will be used in-game as a feature that allows players to…
Oscar-Winning Alumnus Returns to Pasadena’s ArtCenter for Entertainment Design Expo
One week after winning the Academy Award for Best Animated Feature, KPop Demon Hunters co-director Chris Appelhans returns today to ArtCenter College of Design, the Pasadena campus where he studied illustration, for the college’s third annual Entertainment Design Expo. The expo, known as ENTX, opens the Hillside Campus to the public for a full day of gallery exhibitions, game playtesting, animation screenings and interactive experiences featuring work from more than 200 ArtCenter students and alumni. General admission is free with advance registration. Two industry panels — including Appelhans’s talk — require $15 tickets. Appelhans, who graduated from ArtCenter with a bachelor of fine arts in 2002, co-directed KPop Demon Hunters with Maggie Kang. The animated film, produced by Sony Pictures Animation and released on Netflix, became the streaming platform’s most-watched film in history, according to Netflix, and swept awards season with wins at the Golden Globes, the Annie Awards and the Grammys before taking the Oscar on March 15. His talk and audience Q&A is scheduled from noon to 1 p.m. in the Ahmanson Auditorium. Doors open at 11:30 a.m. The film’s ArtCenter ties extend beyond its co-director. Art director Angela Sung, cinematographer Gary H. Lee, visual development artist Celine Kim and painter Simon Baek are all ArtCenter graduates who worked on the production, according to the college. The free portions of ENTX include a concept design showcase, a production design gallery, a model gallery, a stop motion studio preview, an alumni gallery and a KPop Demon Hunters fan art gallery. Visitors can also playtest games designed by ArtCenter students. An Animation Shorts Showcase runs from 2 to 3 p.m. and includes “Boy, I’m Scared,” a capstone short by ArtCenter graduate Lindsey Tenaglia that was named a semifinalist for the 2025 Student Academy Awards in the animation category. Also screening
‘The Comeback’ took on Hollywood long before ‘The Studio.’ Now, Valerie Cherish will have her curtain call
“The Comeback” was by no means the first series to hold a funhouse mirror up to the entertainment industry, but the comedy starring co-creator Lisa Kudrow, which returns for its final season on Sunday, has certainly always done it in its own navel-gazing yet endearing way.
Intel compares Core Ultra 200S Plus to Ryzen 9600X and 9700X, gaming uplift stays small
Intel Core Ultra 200S Plus is aimed at creators, not gaming Intel has updated its pre-briefing deck ahead of Core Ultra 200S Plus reviews, and one of the
This floating time crystal breaks Newton’s third law of motion
Scientists have created a new kind of time crystal using sound waves to levitate tiny beads in mid-air. These particles interact in a one-sided, unbalanced way, breaking the usual rules of motion and creating a steady, repeating rhythm. The system is surprisingly simple yet reveals complex physics with big implications. It could help advance quantum computing and deepen our understanding of biological timing systems.