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Takeaways from arguments in the Supreme Court case that could end grace periods for mail-in ballots

The Supreme Court’s conservative majority appeared dubious of state laws that allow the counting of mail ballots that arrive at election offices after Election Day as justices heard oral arguments in a challenge to Mississippi’s five-day grace period for mail ballots.

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Mar 23 • 3:46 PM EDT • Politics • cnn.com
Meet Three Sagehens Playing Spring Sports in 2026 | Pomona College in Claremont, California

The spring sports season offers a smorgasbord of options for Sagehens fans, with teams taking to the diamond, track, pool, field and golf course to test their mettle against Division III athletes from across the country.

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Mar 23 • 3:30 PM EDT • Sports • pomona.edu
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2026 NCAA Tournament second round schedule: March Madness bracket, game dates, tip times, TV channels

Check out the master schedule for the first and second rounds of the 2026 NCAA Tournament so you can watch all the March Madness

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Mar 23 • 2:50 PM EDT • Sports • cbssports.com
Uplifting and Not Ceding Ground on Health Equity Practice Is Critical to Strengthening Public Health and the Health of the Nation

Public health science gains in the last quarter century in the United States have been formidable due to a focus on structural and social determinants of health, thereby enhancing understanding of the role of inequitable policies in shaping health inequities and inequitable access to ameliorative resources.

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Mar 23 • 1:54 PM EDT • Health • milbank.org
2026 Fantasy Baseball ADP Risers: Tigers' prized prospect gaining traction
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Mar 23 • 1:53 PM EDT • Sports • sports.yahoo.com
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.

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Mar 23 • 1:30 PM EDT • Business • finance.yahoo.com
Intel Core Ultra 5 250K Plus Review - Disrupting AMD's Entry-Level

Intel is breathing new life into its Arrow Lake lineup with the Core Ultra 5 250K Plus. Priced at an attractive $200, this little powerhouse outperforms most AMD CPUs in applications and delivers competitive gaming performance, too. It's a strong contender for budget-friendly builds, and overclocking potential is good, too.

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Mar 23 • 12:57 PM EDT • Technology • techpowerup.com
How entertainment production hubs are creating new housing hotspots

NewHomeSource reports entertainment production hubs are driving housing demand by boosting local economies, attracting home buyers with modern amenities and community design.

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Mar 23 • 12:05 PM EDT • Entertainment • newspressnow.com
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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.

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Mar 23 • 12:02 PM EDT • Technology • finance.yahoo.com
What Giants manager Tony Vitello learned from Steve Kerr, Kyle Shanahan meetings

New San Francisco Giants manager Tony Vitello shared what we took away from his interactions with fellow Bay Area coaches Steve Kerr, Kyle Shanahan.

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Mar 23 • 11:21 AM EDT • Sports • nbcsportsbayarea.com
Kyle Shanahan shares his expectations for 49ers' Trent Williams contract impasse

San Francisco 49ers coach Kyle Shanahan told NBC Sports Bay Area that he's staying out of the team's contract negotiations with Trent Williams.

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Mar 23 • 11:06 AM EDT • Sports • nbcsportsbayarea.com
Peregrine Road performs at the Jesup

BAR HARBOR — On Thursday, April 9, at 5:30 p.m., the Jesup will host a free Music and Conversation program with Peregrine Road (Rachel Bell and Karen Axelrod). Peregrine Road

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Mar 23 • 10:51 AM EDT • Entertainment • mdislander.com
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2nd Car Show Scheduled at Sangertown Square

Racing fans and families can check out high-performance cars and meet local drivers at the Mall Car Show at Sangertown Square.

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Mar 23 • 10:38 AM EDT • Entertainment • wktv.com
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Senators introduce bill to ban sports betting on prediction markets

The new bill would amend the Commodity Exchange Act to ban prediction contracts related to sports events or casino-style games.

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Mar 23 • 10:24 AM EDT • Sports • nbcnews.com
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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.

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Mar 23 • 10:04 AM EDT • Science • scitechdaily.com
Melton Little lands Jack May's endorsement in open HD 71 race

'I know he will fight for conservative principles.'

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Mar 23 • 9:51 AM EDT • Politics • floridapolitics.com
Bridging science and music - College of Arts and Sciences

Graduate student Briana Nave studies music's use and interactions with modern scientific medicine in the early 20th century.

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Mar 23 • 9:23 AM EDT • Science • college.unc.edu
Welcome, American scientists: Europe, a haven for researchers struggling under Trump

Initiatives are multiplying in EU countries including France, Germany and Austria to attract the talent being driven away by the US president’s policies

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Mar 23 • 9:12 AM EDT • Science • english.elpais.com
Cowboys mock draft tracker: A trade might make sense early

How interested are you in trading back in the first round?

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Mar 23 • 9:00 AM EDT • Sports • sports.yahoo.com
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.

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Mar 23 • 9:00 AM EDT • Health • news.wsu.edu
Marquette Law School adds Aaron Hernandez to National Sports Law Institute leadership

Aaron Hernandez, currently at Arizona State University’s Sandra Day O’Connor College of Law, will be joining the faculty at Marquette University Law School as associate professor of practice and director of the National Sports Law Institute. Marquette is led in the area of sports law by Matt Mitten, professor of law, and Paul Anderson, associate…

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Mar 23 • 9:00 AM EDT • Sports • today.marquette.edu
Republicans fear this Democrat in Georgia Senate race: ‘This guy’s no slouch’

The Cook Political Report rates the general election as a toss-up.

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Mar 23 • 8:58 AM EDT • Politics • detroitnews.com
Emmanuel Grégoire, Socialist long involved in local politics, voted new Paris mayor; AP explains

Grégoire won over 50% of the votes, beating out prominent conservative contender Rachida Dati who reached 41% while hard-left contender Sophia Chikirou got about 8%.

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Mar 23 • 8:25 AM EDT • Politics • apnews.com
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Data Is at the Heart of What Public Health Does

Data is key to protecting the health and safety of a community, from identifying and tracking disease outbreaks to ensuring that water is safe to drink. Data is also vital to understanding where resources are most needed. This value is especially apparent to the officials charged with protecting public health, such as Dr. Janet Berreman, Kauai’s (Kauaʻi’s)* district health officer.

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Mar 23 • 8:00 AM EDT • Health • pew.org
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.

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Mar 23 • 8:00 AM EDT • Politics • 19thnews.org
The final four of Business Insider's business-focused bracket

The business-focused March Madness bracket narrows to four trends: SaaSpocalypse, tariffs, longevity, and robotics.

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Mar 23 • 7:59 AM EDT • Business • businessinsider.com
Grub Lab: $6 Million Raised To Bring Sports And Entertainment IP To Independent Restaurants Nationwide

Grub Lab, an Australia-founded restaurant technology startup, announced it has raised $6 million in funding from Quantaco to accelerate its expansion across the United States and support a national rollout tied to major sports leagues and entertainment studios. The company is positioning itself as a modern solution to help independent restaurants compete for family dining traffic through interactive, branded experiences.

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Mar 23 • 7:54 AM EDT • Entertainment • pulse2.com
The problem with Trump promoting "gold standard science"

This simplistic branding is confusing, misleading, and potentially harmful to scientific literacy.

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Mar 23 • 7:30 AM EDT • Science • motherjones.com
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Here are nearly 100 local high school spring sports stars to watch

Spring sports are rich with talented athletes. From baseball to track and soccer to swimming, here are nearly 100 Fort Collins-area stars to watch.

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Mar 23 • 7:15 AM EDT • Sports • coloradoan.com
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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,...

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Mar 23 • 6:30 AM EDT • Entertainment • post-gazette.com
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AI-generated attack ads are already slopping up Mass. races

AI attack ads are already showing up in Massachusetts races — and the 2026 cycle is just getting started.

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Mar 23 • 6:20 AM EDT • Politics • axios.com
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NCAA Tournament: Iowa's stunning upset of No. 1 Florida caps off thrilling weekend of March Madness

Only three of the four top seeds in the men’s bracket will be playing in the Sweet 16.

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Mar 23 • 6:05 AM EDT • Sports • nbcnews.com
High-Signal Publisher
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.

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Mar 23 • 6:00 AM EDT • Science • timesunion.com
Noah Hiles: What I’m hearing on Pirates, Konnor Griffin extension talks

BRADENTON, Fla. — The Pirates reassigned Konnor Griffin to minor league camp Saturday, ending any hope that the game’s top-rated prospect would...

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Mar 23 • 5:38 AM EDT • Sports • post-gazette.com
Exclusive | Lawmakers to Introduce Bipartisan Bill Banning Sports Bets on Prediction Markets

A bipartisan pair of U.S. senators are introducing legislation to prohibit CFTC-regulated entities from listing contracts related to sporting events.

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Mar 23 • 5:30 AM EDT • Sports • wsj.com
UConn vs Syracuse predictions, picks, odds for NCAA Tournament Second Round

Our March Madness experts pick the winner for No. 1 UConn vs No. 9 Syracuse in the 2026 women's NCAA Tournament on March 23

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Mar 23 • 5:08 AM EDT • Sports • usatoday.com
Rahm Emanuel proposes banning all federal employees from betting on prediction markets

Rahm Emanuel is proposing a far-reaching measure to crack down on betting in predictive markets in Washington as part of an effort to call attention to what he sees as a culture of corruption gripping the nation’s politics

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Mar 23 • 5:00 AM EDT • Politics • washingtonpost.com
Personnel note: Shutts & Bowen adds veteran trial lawyer Bernie Pastor to Miami office

Shutts & Bowen is expanding its Business Litigation Practice Group with the addition of Bernard “Bernie” Pastor as a Partner in its Miami office.

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Mar 23 • 4:15 AM EDT • Politics • floridapolitics.com
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Rising job opportunities in sports management attract students

Kaleb Tkacs became involved in sports management from the moment he stepped foot on Duquesne University’s campus in August 2023. Tkacs, of Scottdale, joined as a volunteer film crew member with the Duquesne football team that fall. In 2024, he was elevated as a student assistant, overseeing the film crew,

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Mar 23 • 4:01 AM EDT • Sports • triblive.com
‘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

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Mar 23 • 3:00 AM EDT • Politics • theguardian.com
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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...

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Mar 23 • 2:35 AM EDT • Sports • sports.yahoo.com
Those who cannot live without wild things

Aldo Leopold wrote in his Sand County Almanac, “There are some who can live without wild things and some who cannot.” The collection of essays first published in 1949 was accepted by a publishing house after a steady stream of rejections. His work long outlived him as Leopold died of a heart attack while fighting […]

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Mar 23 • 2:30 AM EDT • Politics • coloradopolitics.com
Turning coal to medicines: Chinese scientists bring a 160-year-old dream to life

Study cracks a puzzle that has baffled scientists and will reshape modern medicine production as the world reels from a global oil shortage.

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Mar 23 • 2:23 AM EDT • Science • scmp.com
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Emmanuel Grégoire, a Socialist long involved in local politics, becomes Paris' new mayor

Emmanuel Grégoire has won the Paris mayoral race and takes over from fellow Socialist Anne Hidalgo

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Mar 23 • 1:58 AM EDT • Politics • washingtonpost.com
Socialist Emmanuel Grégoire elected Paris mayor in runoff vote

Emmanuel Grégoire has won the Paris mayoral race and takes over from fellow Socialist Anne Hidalgo. On Sunday, he sealed the moment by riding a city bike to City Hall.

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Mar 23 • 1:54 AM EDT • Politics • apnews.com
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Letters: Newspapers hold a position in our democracy, unlike any other business

I read with interest Duke Truby's viewpoint about a newspaper print medium being a "business" in the strictest sense. As such, that business should cater to its customers and clients.

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Mar 23 • 1:30 AM EDT • Business • nola.com
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Costco Expands Member Offerings With Fertility Care And In Store Events

Costco Wholesale has partnered with Sesame and IVI RMA North America to offer U.S. members access to advanced fertility care with exclusive pricing and coordinated services. The retailer is also rolling out a national outdoor cooking roadshow in warehouses, featuring multiple brands and on site experiences for members. These moves extend Costco’s reach further into healthcare services and experiential retail beyond its traditional bulk merchandise model. For investors tracking...

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Mar 23 • 12:23 AM EDT • Health • finance.yahoo.com
How Obama’s Strategist Discouraged Biden From Running in 2016

In a new set of oral histories, David Plouffe, President Barack Obama’s political adviser, described how he urged Vice President Joseph R. Biden Jr. not to challenge Hillary Clinton for the nomination.

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Mar 23 • 12:01 AM EDT • Politics • nytimes.com
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.

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Mar 22 • 11:01 PM EDT • Politics • detroitnews.com
'Harry Potter' star details racist 'abuse' he suffered after joining upcoming TV show

Paapa Essiedu is speaking out about on 'abuse' he's endured since being cast as Severus Snape in the 'Harry Potter' TV series: 'Nobody should have to encounter this for doing their job.'

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Mar 22 • 11:01 PM EDT • Entertainment • ew.com
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 […]

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Mar 22 • 9:00 PM EDT • Sports • sports.yahoo.com
Ducks Sign Herman Träff to Entry-Level Contract

The 20-year-old had 41 points in 51 games this season for Oskarshamn in the HockeyAllsvenskan.

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Mar 22 • 6:24 PM EDT • Sports • sports.yahoo.com
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Crews responding to fire burning behind an Upstate business

Multiple fire departments responded to a fire behind the Tractor Supply Co. in Mauldin, SC.

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Mar 22 • 5:25 PM EDT • Business • wyff4.com
iRacing on Vision Pro bringing 'immersion and fidelity never before seen in sim racing'

iRacing on Apple Vision Pro will bring a “level of immersion and fidelity never before seen in sim racing,” says...

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Mar 22 • 3:53 PM EDT • Technology • 9to5mac.com
Exit polls suggest lead for Merz's SPD in key west German state

Far-right Alternative for Germany party (AfD) looks set for a record score in western Germany

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Mar 22 • 3:52 PM EDT • Politics • euractiv.com
Slovenia liberals take narrow election lead over conservatives: exit poll

Exits polls suggest Prime Minister Robert Golob has blocked a fourth term for right-winger Janez Janša

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Mar 22 • 3:36 PM EDT • Politics • euractiv.com
Michael McCarthy Considering Three Races As Options For Journalism's Return

After Journalism worked five furlongs in company Sunday at Santa Anita, trainer Michael McCarthy said he is looking at three potential races to kick off the colt’s 4-year-old campaign. Journalism could return in either the Oaklawn Handicap (G2) or Ben Ali (G3) at Keeneland, both on April 18, or ...

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Mar 22 • 3:28 PM EDT • Sports • sports.yahoo.com
Nevada Wins Temporary Ban on Sports Betting on Kalshi

The prediction-market platform must obtain state gambling licenses and prohibit users under 21 to offer such contracts, a state court said.

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Mar 22 • 2:40 PM EDT • Sports • wsj.com
City of Paducah Finance Department to host informational workshop on Business License Renewals

In case you missed it, the City of Paducah Finance Department will host an informational workshop on Business License Renewals for local business owners at the McCracken County Library tomorrow,

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Mar 22 • 2:34 PM EDT • Business • wpsdlocal6.com
Goodyear 400 Live Updates, Leaderboard: Will Tyler Reddick Win 4th Race This Season?

Follow along here for live updates from Sunday's Goodyear 400.

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Mar 22 • 2:30 PM EDT • Sports • foxsports.com
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.

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Mar 22 • 2:18 PM EDT • Health • erictopol.substack.com
Syracuse finalizing Gerry McNamara hire: Siena coach helped lead Orange to 2003 national championship

McNamara just finished guiding Siena to the NCAA Tournament, where it almost upset No. 1 Duke

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Mar 22 • 2:15 PM EDT • Sports • cbssports.com
Syracuse reportedly targeting former player Gerry McNamara as its next men's basketball coach
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Mar 22 • 1:52 PM EDT • Sports • sports.yahoo.com
Immigration crackdown impact on local Latino-owned businesses

Latino business owners told WRAL News that fear and uncertainty following a nationwide crackdown in immigration enforcement are keeping some families out of public spaces, leaving small businesses struggling to survive. This story was written by Oriana Torre, a senior graduating journalism student at the University of Florida, participating in the CBC-UNC News Media Multiplatform Fellowship.

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Mar 22 • 1:39 PM EDT • Business • wral.com
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NCAA men's bracket live updates, scores: Purdue vs. Miami leads off March Madness Sunday; Duke, Florida, UConn return to court
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Mar 22 • 12:46 PM EDT • Sports • sports.yahoo.com
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Phillies sign pitcher Cristopher Sánchez to 6-year, $107 million contract extension
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Mar 22 • 11:35 AM EDT • Sports • sports.yahoo.com
The Cincinnati's Favorite Beer 2026 winner is ... (drumroll please)

Our new beer bracket champ had a difficult path to the crown. The final suds match was Vlad (Fretboard) vs. Dunkel (Hofbrauhaus). So, who won!?

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Mar 22 • 10:58 AM EDT • Entertainment • cincinnati.com
VoidStealer malware steals Chrome master key via debugger trick

An information stealer called VoidStealer uses a new approach to bypass Chrome's Application-Bound Encryption (ABE) and extract the master key for decrypting sensitive data stored in the browser.

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Mar 22 • 10:32 AM EDT • Technology • bleepingcomputer.com
Tusk claims no surprise over alleged Hungarian leaks to Moscow

Polish Prime Minister said suspicions had long made him keep quiet during EU Council talks

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Mar 22 • 9:27 AM EDT • Politics • euractiv.com
Phillies extend Cristopher Sánchez through 2032: NL East contenders lock up top pitcher on six-year contract

The extension runs from 2027-31

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Mar 22 • 9:13 AM EDT • Sports • cbssports.com
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.

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Mar 22 • 9:04 AM EDT • Sports • sports.yahoo.com
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Cheaper Than A Porsche: 8 Affordable Sports Cars That Deliver Track-Level Thrills

Some great and sporty alternatives to a Porsche include the 2016 Scion FR-S, the C5 Corvette, the 2018 Ford Mustang GT, and the 2016 Chevrolet Camaro SS.

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Mar 22 • 8:45 AM EDT • Technology • jalopnik.com
Report: New iPad with A18 chip still on track to launch in first half of 2026

As part of Apple’s week of product announcements earlier this month, many were hoping to see an update to Apple’s...

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Mar 22 • 8:31 AM EDT • Technology • 9to5mac.com
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

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Mar 22 • 8:30 AM EDT • Entertainment • pasadenanow.com
Titans sign ex-Browns linebacker

The Titans have signed former Browns linebacker Mohamoud Diabate to a contract after he wasn't tendered as an RFA.

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Mar 22 • 8:24 AM EDT • Sports • sports.yahoo.com
Scientists discover surprising brain trigger behind high blood pressure

Scientists have uncovered a surprising brain-based trigger for high blood pressure, tracing it to a small region in the brainstem that normally controls breathing. This area, which kicks in during forceful exhalations like coughing, laughing, or exercise, also appears to activate nerves that tighten blood vessels—raising blood pressure. When researchers switched off this region in experiments, blood pressure dropped back to normal, suggesting it plays a direct role in hypertension.

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Mar 22 • 8:00 AM EDT • Science • sciencedaily.com
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.

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Mar 22 • 8:00 AM EDT • Science • sciencedaily.com
Why mosquitoes always find you and how they decide to attack

Scientists have finally cracked how mosquitoes decide where to fly—and it’s not by following each other. Instead, each insect independently reacts to visual cues and carbon dioxide, zeroing in on humans when both signals align. Dark colors and CO2 together create the strongest attraction, triggering swarming and biting behavior. This insight could reshape how we design traps and prevent mosquito-borne diseases.

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Mar 22 • 8:00 AM EDT • Science • sciencedaily.com
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Guilty Gear: Strive version 2.00 update, Season 5 DLC characters Jam Kuradoberi and Robo=Ky announced

Arc System Works has announced the version 2.00 update for fighting game Guilty Gear: Strive, which will launch on April 9 alongside Season 5 downloadable content character Jam Kuradoberi.

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Mar 22 • 7:35 AM EDT • Technology • gematsu.com
Screamer review: the '90s arcade racer gets an anime redesign, and I love it

Italians do it better, with a little Japanese inspiration.

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Mar 22 • 7:00 AM EDT • Technology • creativebloq.com
Trump touted bigger tax refunds this year, but Americans will likely spend them on gas

Spiking gas prices in the U.S. are on track to eat up tax refunds this year, leaving most Americans with little extra to spend.

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Mar 22 • 6:25 AM EDT • Business • ksat.com
Four truths about covid that have become clouded over time

In the early days, the virus posed a graver threat to people and the health care system, Trump embraced lockdowns he now blasts, and the benefits of vaccines were oversold.

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Mar 22 • 6:00 AM EDT • Health • washingtonpost.com
Umberto Bossi, the League's populist founder and a pivotal figure in Italian politics, dies at 84

ROME — Umberto Bossi, the founder of Italy’s populist Northern League and one of the most influential — and polarizing — figures...

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Mar 22 • 5:57 AM EDT • Politics • post-gazette.com
‘The best course I've taught’: Duquesne business students, faculty volunteer to help with taxes

After hearing in 2018 about a way to help low- to middle-income individuals and families with preparing their tax returns, Amy Yurko, now an associate...

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Mar 22 • 4:00 AM EDT • Business • post-gazette.com
How crowd-control agents can affect health

Grieving mother Naomi White walked along Kennywood Boulevard on March 15 with dozens of friends and family members who had gathered to call attention...

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Mar 22 • 4:00 AM EDT • Health • post-gazette.com
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Prior authorization can delay needed health care. A new 'Gold Card' targets that bottleneck.

Getting approval for a medical procedure scan or medicine has become a frustrating hurdle in health care as insurers try to ensure that every test is appropriate...

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Mar 22 • 4:00 AM EDT • Health • post-gazette.com
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Eating More Ultra-Processed Foods Could Damage Your Bones. Here's Why

Eating higher amounts of ultra-processed foods is associated with lower bone mineral density and a higher risk of hip fractures, even in younger adults under 65.

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Mar 22 • 3:33 AM EDT • Health • healthline.com
Are AI tokens the new signing bonus or just a cost of doing business?

Maybe tokens really will become the fourth pillar of engineering compensation. But engineers might want to hold the line before embracing this as a straightforward win.

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Mar 22 • 2:20 AM EDT • Business • techcrunch.com
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Slovenians head to polls in tight race marked by spy scandal

Allegations of espionage and foreign interference have cast a shadow over the parliamentary election

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Mar 22 • 2:00 AM EDT • Politics • euractiv.com
Recap: Sporting KC suffers 4-1 loss to Colorado

Sporting Kansas City suffered a 4-1 loss to the Colorado Rapids on Saturday at Sporting Park. Shapi Suleymanov scored the lone goal for SKC in the defeat as the visitors prevailed behind a brace from Paxten Aaronson to go along with a goal from fellow Designated Player Rafael Navarro and

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Mar 22 • 12:49 AM EDT • Sports • sportingkc.com
Nebraska survives near-miracle heave at buzzer to advance past Vanderbilt, keep dream season alive in thriller
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Mar 22 • 12:31 AM EDT • Sports • sports.yahoo.com
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Election in Slovenia Will Test Europe’s Political Mood

The center-left government is being challenged by a right-wing populist accused of launching a smear campaign in the final days of a close race.

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Mar 22 • 12:01 AM EDT • Politics • nytimes.com
Teaching Health Through Food: Kayla’s Passion for Nutrition

In celebration of National Nutrition Month, Renee Dease met with Special Olympics Michigan staff member, Health Messenger, and athlete, Kayla Cornell, to talk about how she empowers Special Olympics athletes to build healthier habits through practical cooking skills and nutrition education. Check out their conversation below.

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Mar 22 • 12:00 AM EDT • Health • specialolympics.org
Person robbed at gunpoint outside Dracut business

Dracut police say two suspects in black robbed a man at gunpoint, then fled in a silver Ford Explorer, which was later found. No arrests announced.

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Mar 21 • 11:59 PM EDT • Business • nbcboston.com
Nebraska survives near-miracle heave at buzzer to advance past Vanderbilt in thriller, keep dream season alive

Nebraska and Vanderbilt put on a show in one of the best games of the NCAA tournament.

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Mar 21 • 11:18 PM EDT • Sports • sports.yahoo.com
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Friction without contact discovered as magnetic forces break a 300-year-old law

Researchers have uncovered friction without contact—driven entirely by magnetic interactions. As two magnetic layers slide, their internal forces compete, causing constant rearrangements that dramatically increase resistance at certain distances. This creates a surprising peak in friction instead of a steady rise, breaking a long-standing physics law.

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Mar 21 • 8:00 PM EDT • Science • sciencedaily.com
Health Literacy as a Modifiable Clinical Risk Factor: Operationalizing an Underrecognized Determinant of Outcomes

Health literacy has been considered a social determinant of health and has never been extensively incorporated in the general practice of clinical care. Systematic reviews and cohort studies sho...

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Mar 21 • 8:00 PM EDT • Health • cureus.com
Politics Unplugged (Full Episode) March 22, 2026

This week on Politics Unplugged, Progressive activist Kai Newkirk explains why he is running to unseat Democratic incumbent Greg Stanton in the congressional race in CD4. Then, consultants Marcus Dell’Artino and Matt Grodsky discuss the fallout from the Cesar Chavez allegations and the political importance of high gas prices.

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Mar 21 • 6:29 PM EDT • Politics • azfamily.com
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March Madness bracket live updates, scores: No. 3 Michigan State takes on No. 6 Louisville; Michigan routs Saint Louis
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Mar 21 • 2:45 PM EDT • Sports • sports.yahoo.com
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City of Santa Barbara Seeks Nominations for 2026 Business in Art Award

Nominations are now open for the 2026 City of Santa Barbara Business in Art Award, for local businesses that support artists

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Mar 21 • 1:33 PM EDT • Business • edhat.com