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Where to find former Boxyard businesses in Tulsa
From new locations to hybrid operations, life after The Boxyard looks different for nearly every business that once called the shipping container plaza in the Blue Dome District home.
Examining the cost of money in campaigns
Despite The Beatles proclamation that “money can’t buy me love,” nearly every political campaign and candidate in American politics knows the great impact of a full war chest.
Business owner: Virginia already wrote the data-center heat law. Now make it a condition.
Every data center is a furnace. Nearly all the electricity that goes in comes out as heat, and the newest liquid-cooled halls put it out as warm water, exactly the temperature a greenhouse wants in…
The Liquid Biopsy That Found Pancreatic Cancer Early Has a Bigger Regulatory Problem Than Its Science
PANXEON detects stage 1-2 pancreatic cancer with 87% sensitivity, but FDA's companion diagnostic pathway may be the bigger obstacle to clinical adoption.
Bringing science plus art to truth-seeking drama
The drama 2026 Attitude Ti62A, jointly produced by the China Science and Technology Museum and the China Coal Mine Art Troupe, will hold 10 performances at the museum from Sept 29. It is another theatrical work created through the deep integration of "science plus art" by the two parties, following the earlier stage play The Glory of China.
Chelsea Stake To Clearlake
Santa Monica-based private equity firm Clearlake Capital Group has taken full control of Chelsea FC after buying Mark Walter and Todd Boehly’s minority
Newcastle United Women Mounting An Early Title Charge In WSL2
Tanya Oxtoby’s side sits atop the table after three dominant victories, blending defensive steel with a clinical attack to cement their status as runaway promotion favorites.
Breaking | Communist Party sets key October plenum date early, days before Xi-Trump summit
The fifth plenary session will be held from October 26 to October 29, according to state media.
Haoye Qin: Turning disorder into an advantage in nanophotonics
A 2026 Nanophotonics Early Career Awardee, Qin is harnessing topology and engineered disorder to develop compact optical technologies.
Culturally Relevant Cardiovascular Disease Prevention and Care Strategies
(Feature Impact) Driven by rising rates of obesity, diabetes, high blood pressure and other risk factors, cardiovascular disease has surpassed cancer as the leading cause of death among Hispanic adults in the United States. googletag.cmd.push(function() { googletag.display('fixed-big-ad-top-asset'); }); Hispanic people represent nearly 1 in 5 of the U.S. population and are the nation’s largest ethnic minority group, yet many continue to face barriers to achieving heart health and accessing high-quality healthcare. A new scientific statement published in the American Heart Association’s flagship journal, “Circulation,” revealed how social, economic, cultural and environmental factors contribute to persistent disparities in cardiovascular health, calling for culturally tailored prevention strategies, equitable access to care and greater representation of Hispanic populations in cardiovascular research.“Hispanic populations in the U.S. are incredibly diverse even within their own communities with differences in genetic ancestry, language, cultural traditions and social experiences that can significantly influence cardiovascular health,” said Johanna Contreras, M.D., M.Sc., FAHA, director of the Division of Heart Failure and medical director of the Hispanic Heart Center within the Mount Sinai Health System. “Yet Hispanic people remain underrepresented overall in the research that guides prevention and treatment strategies… Without better representation and more detailed data, we risk overlooking important differences that can help us improve care and save lives.”Hispanic Cardiovascular Health by the NumbersCardiovascular risk factors – obesity (nearly 46%), type 2 diabetes (15.5%) and high blood pressure (approximately 44%) – are prevalent among Hispanic adults and often emerge at younger ages and occur more frequently among Hispanic adults compared with white adults.According to the report, only about 1 in 5 Hispanic adults achieves ideal cardiovascular health as defined by the American Heart Association’s original Life’s Simple 7 metrics. Updated analyses using the Life’s Essential 8 framework demonstrated persistent disparities for heart and brain health, as well as suboptimal dietary quality, sleep patterns and levels of physical activity.Social and Economic Barriers MatterBiology alone does not explain cardiovascular health disparities. The environments where people live, work and age, along with social and economic challenges, impact heart health. In fact, approximately 17% of Hispanics live below the federal poverty threshold, compared with 8.2% of white adults. googletag.cmd.push(function() { googletag.display('fixed-big-ad-middle-asset'); }); “Many Hispanic adults face obstacles that extend far beyond the doctor’s office,” Contreras said. “Limited health insurance coverage, language differences, food insecurity, environmental exposures and concerns related to immigration status can make it more difficult to prevent disease, manage chronic conditions and receive timely treatment.”Contreras emphasized the cultural values and practices of Hispanic people also influence how they perceive their health and healthcare options.“Family plays a central role in many Hispanic communities and can be an extraordinary source of strength, support and resilience,” Contreras said. “At the same time, family members are often called upon to translate medical information, navigate health systems and help make healthcare decisions for loved ones. Those responsibilities can shape how health information is understood and acted upon.”An Action Plan for Improving Hispanic HealthThere are practical opportunities to achieve equitable cardiovascular health and reduce disparities through community engagement, culturally responsive care, inclusive research and policies that address the underlying drivers of health.“Reducing cardiovascular disease among Hispanic populations demands action at every level,” Contreras said, “from improving access to culturally responsive care and expanding research participation to addressing the social and environmental conditions that shape health.”By addressing both medical risk factors and the social conditions that shape health, experts believe there is an important opportunity to reduce disparities and help more people live longer, healthier lives. Learn more at Heart.org.Photo courtesy of Shutterstock googletag.cmd.push(function() { googletag.display('fixed-big-ad-bottom-asset'); });
Culturally Relevant Cardiovascular Disease Prevention and Care Strategies
(Feature Impact) Driven by rising rates of obesity, diabetes, high blood pressure and other risk factors, cardiovascular disease has surpassed cancer as the leading cause of death among Hispanic adults in the United States.Hispanic people represent nearly 1 in 5 of the U.S. population and are the nation’s largest ethnic minority group, yet many continue to face barriers to achieving heart health and accessing high-quality healthcare. A new scientific statement published in the American Heart Association’s flagship journal, “Circulation,” revealed how social, economic, cultural and environmental factors contribute to persistent disparities in cardiovascular health, calling for culturally tailored prevention strategies, equitable access to care and greater representation of Hispanic populations in cardiovascular research.“Hispanic populations in the U.S. are incredibly diverse even within their own communities with differences in genetic ancestry, language, cultural traditions and social experiences that can significantly influence cardiovascular health,” said Johanna Contreras, M.D., M.Sc., FAHA, director of the Division of Heart Failure and medical director of the Hispanic Heart Center within the Mount Sinai Health System. “Yet Hispanic people remain underrepresented overall in the research that guides prevention and treatment strategies… Without better representation and more detailed data, we risk overlooking important differences that can help us improve care and save lives.”Hispanic Cardiovascular Health by the NumbersCardiovascular risk factors – obesity (nearly 46%), type 2 diabetes (15.5%) and high blood pressure (approximately 44%) – are prevalent among Hispanic adults and often emerge at younger ages and occur more frequently among Hispanic adults compared with white adults.According to the report, only about 1 in 5 Hispanic adults achieves ideal cardiovascular health as defined by the American Heart Association’s original Life’s Simple 7 metrics. Updated analyses using the Life’s Essential 8 framework demonstrated persistent disparities for heart and brain health, as well as suboptimal dietary quality, sleep patterns and levels of physical activity.Social and Economic Barriers MatterBiology alone does not explain cardiovascular health disparities. The environments where people live, work and age, along with social and economic challenges, impact heart health. In fact, approximately 17% of Hispanics live below the federal poverty threshold, compared with 8.2% of white adults.#placement_976606_0_i{width:100%;max-width:550px;margin:0 auto;}var rnd = window.rnd || Math.floor(Math.random()*10e6);var pid976606 = window.pid976606 || rnd;var plc976606 = window.plc976606 || 0;var abkw = window.abkw || '';var absrc = 'https://ads.empowerlocal.co/adserve/;ID=181918;size=0x0;setID=976606;type=js;sw='+screen.width+';sh='+screen.height+';spr='+window.devicePixelRatio+';kw='+abkw+';pid='+pid976606+';place='+(plc976606++)+';rnd='+rnd+';click=CLICK_MACRO_PLACEHOLDER';var _absrc = absrc.split("type=js"); absrc = _absrc[0] + 'type=js;referrer=' + encodeURIComponent(document.location.href) + _absrc[1];document.write('');“Many Hispanic adults face obstacles that extend far beyond the doctor’s office,” Contreras said. “Limited health insurance coverage, language differences, food insecurity, environmental exposures and concerns related to immigration status can make it more difficult to prevent disease, manage chronic conditions and receive timely treatment.”Contreras emphasized the cultural values and practices of Hispanic people also influence how they perceive their health and healthcare options.“Family plays a central role in many Hispanic communities and can be an extraordinary source of strength, support and resilience,” Contreras said. “At the same time, family members are often called upon to translate medical information, navigate health systems and help make healthcare decisions for loved ones. Those responsibilities can shape how health information is understood and acted upon.”An Action Plan for Improving Hispanic HealthThere are practical opportunities to achieve equitable cardiovascular health and reduce disparities through community engagement, culturally responsive care, inclusive research and policies that address the underlying drivers of health.“Reducing cardiovascular disease among Hispanic populations demands action at every level,” Contreras said, “from improving access to culturally responsive care and expanding research participation to addressing the social and environmental conditions that shape health.”By addressing both medical risk factors and the social conditions that shape health, experts believe there is an important opportunity to reduce disparities and help more people live longer, healthier lives. Learn more at Heart.org.Photo courtesy of Shutterstock
Jack Perkins' Adjustments By the Numbers
A's right-hander Jack Perkins is thriving as the season winds down. After talking with him about his approach to the final month early in September, we take a look at how that approach has worked by the numbers.
This One Yankees’ Brent Headrick Concern
It’s no secret that Yankees left-handed relief pitcher Brent Headrick has been one of, if not their most dominant relief pitcher this season in 2026. However, concerns are growing about Brent Headrick as we approach the final week of the regular season before the postseason.Yankees beat writer Brendan Kuty of The Athletic posted earlier this […] The post This One Yankees’ Brent Headrick Concern appeared first on HEAVY.
Charles River Community Health launches $5.2M expansion to meet high patient demand
With nearly 10% of Waltham residents turning to Charles River Community Health for essential medical care, the health center is launching a major
The School Bus Driver Shortage Gave a 62-Year-Old With $260,000 Saved What His Nest Egg Couldn't: Health Insurance Until Medicare
For pre-Medicare retirees, the gap between 62 and 65 can quietly swallow a shocking portion of a nest egg before a single lifestyle expense hits. One overlooked job category is quietly solving that problem for thousands of early retirees.
1 dead, 5 injured after shooting outside Greensboro business
One man is dead and five other people were injured after a shooting outside a Greensboro business early Sunday morning.Greensboro police, along with Greensboro
Eagles’ Saquon Barkley Gives Injury Update After Win vs Titans
The Philadelphia Eagles saw their star running back Saquon Barkley leave Sunday’s action against the Tennessee Titans early. The veteran went from the medical tent to the locker room before returning to the game momentarily. Barkley ended up having little impact on the Eagles’ tight win over the Titans. After the game, the running back […] The post Eagles’ Saquon Barkley Gives Injury Update After Win vs Titans appeared first on HEAVY.
Packers vs. Falcons odds: Opening lines for Week 3 matchup
The Packers are favored by nearly a touchdown heading towards a Thursday Night Football matchup.
Takeaways: UConn football makes an early statement
The big win offers lots to be optimistic about for this year’s team.
Adam Smith appointed chairman of Disney Entertainment’s Direct-to-Consumer division
Disney names Adam Smith as chairman of Direct-to-Consumer and Joe Earley as president of TV franchise and content strategy.
Titans players react to Eagles fans packing Nissan Stadium
The Tennessee Titans' fans were clearly outnumbered by visiting fans in Nissan Stadium during a 24-20 loss to the Philadelphia Eagles in Week 2.
Titans players react to Eagles fans packing Nissan Stadium
The Tennessee Titans' fans were clearly outnumbered by visiting fans in Nissan Stadium during a 24-20 loss to the Philadelphia Eagles in Week 2.
Six Takeaways From Packers First Win of the Season
Green Bay Packers' Jordan Love overcame a mountain of penalties and early injuries to orchestrate a gritty overtime comeback victory.
Bridgeman rallies to win inaugural Biltmore Championship Asheville
The 26-year-old from South Carolina won his first PGA Tour title earlier this year at Riviera in the Genesis Invitational.
North Bay firms urge Newsom to sign website privacy lawsuit reform bill
Contractors in Sonoma, Marin and Solano counties are among thousands of California small businesses who say website privacy lawsuits are costing them dearly as CIPA litigation reform bill SB 690 awaits Governor Newsom’s action.
Nebraska soccer draws with No. 11 Washington
Nebraska soccer drew 2-2 with No. 11 Washington Sunday. The Huskers showed significant improvement and came within 46 seconds of taking down the defending Big Ten conference champions. NU nearly won its first ranked match in four years, and also almost beat a top-15 team for the first time in 22 years.
Nearly 1 in 3 Porsche Employees Could Go by 2035
Volkswagen Group reportedly wants Porsche to cut another 4,100 jobs, on top of 9,000 already planned.
Nearly 1 in 3 Porsche Employees Could Go by 2035
Volkswagen Group reportedly wants Porsche to cut another 4,100 jobs, on top of 9,000 already planned.
Williams injured as Bears shut down by Vikings
Caleb Williams suffered an injury as the free-scoring Chicago Bears were brought back to earth with a 9-3 defeat to the Minnesota Vikings on Sunday.In other early NFL action on Sunday, the New England Patriots bounced back from their opening loss with a clinical 20-3 defeat of the Pittsburgh Steelers at Gillette Stadium in Foxborough.
Longtime political reporter Brendan Farrington dies at 60
Mr. Farrington, a Massachusetts native who early in his career worked for The Patriot Ledger, was known for his willingness to cover all types of stories, from the Florida Capitol to the quirky corners of his adopted state.
My Husband's Vending Machine Business Put Us $1M In Debt In 3 Years. He Drained All Our Bank Accounts, 401(k) And Home Equity
Three years ago, her husband left a stable job to start a vending machine business. Today, the couple is nearly $1 million in debt, their retirement savings are gone, their bank accounts are empty and they have virtually no equity...
Analysis: Late goal eases pressure on Carrick
It is too early in the season for Michael Carrick's position to be under serious threat. With a three-week international break to come, there will be no escaping a certain amount of criticism and it is a long time to wait before Manchester United can attempt to start putting things right on the pitch. Overall, United were good value for a point and might even argue snatching all three would not have been unwarranted given their strong finish.
Lisa Misses Tying Her Solo Career Chart Peaks By Only One Space
Lisa’s “Sawadika” debuts inside the Digital Song Sales top 10 and nearly matches her best Billboard Hot 100 peak.
A.J. Terrell leaves Week 2 game early
Falcons CB A.J. Terrell leaves game after suffering groin injury
Kate Beckinsale Posts Cryptic Messages on Social Media, Sparking Concern from Fans
“Serendipity” actor Kate Beckinsale posted cryptic messages to her personal social media account early Sunday morning, leaving fans concerned. Beckinsale posted a black screen with “bye” written acros...
Why politicians should pay more attention to the polls (reprise)
Welcome to the 231st edition of The Week in Polls (TWIP), a polling newsletter that always welcomes new readers. So please don’t keep TWIP a secret; share it with your friends and colleagues: Share The Week in Polls With all the stories swirling around Reform, JL Partners and political polling, I am finally tearing myself away from talking about the regulation of polling this week - and instead re-running a previous piece reminding us why the solution to problems with polls isn’t simply to ban or ignore them. Rather, we need them to play a vital role in making our politics - and politicians - better. This is followed by summaries of the latest national voting intention polls, seat projections from MRPs and the most recent party leader ratings. Subscribers who pay for the full edition can also read ten insights from the latest polls and analyses, including: A trio of organisations and a pair of professors have been casting their eyes over the Liberal Democrats ahead of the party’s autumn conference; What impact did the summer heatwave have on views on climate change? and Which wins out between chocolate and cheese? If you are not yet a paid subscriber, you can read all ten by starting a free trial now: Get FREE 7-day trial For more polling news as it comes in ahead of next week’s edition, you can also follow The Week in Polls on Bluesky. Picking up on my doubt last week about whether or not 35% of British train travellers have tried to order a takeaway for delivery to a railway station or carriage, thank you to reader Iain, who has been in touch to say he has done just that… in India. Another quick pair of updates, this time on the controversies around Reform and polling. Politico has a further scoop - “Farage aide caught in donor sting attended Egypt retreat with JL Partners” - and Ian Dunt has written about the problems with polling too: “Seeing the response of many polling experts in the last few weeks suggests that they are nervous about what is happening and keen to mitigate against it. Seeing the response of journalists, which has been basically non-existent, suggests the precise opposite.” My usual reminder as well: please do hit reply if you’ve spotted a poll, focus group or new piece of poll-based research that you think should be in contention for coverage in a future edition. Thank you! And with that, on with the show. How politicians get public opinion wrong I have written before about the benefits that come from widespread availability of high-quality political polling. We need more polls and more good coverage of polls. However, what I’ve not dug into before is the research into how accurately politicians estimate public opinion on issues. Thankfully we have academic research to tell us. First, the bad news: We present results from a study of 866 politicians in four countries.1 Politicians were asked to estimate the percentage of public support for various policy proposals. Comparing more than 10,000 estimations with actual levels of public support, we conclude that politicians are quite inaccurate estimators of people’s preferences. They make large errors and even regularly misperceive what a majority of the voters wants. Politicians are hardly better at estimating public preferences than ordinary citizens. Walgrave, S., Jansen, A., Sevenans, J., Soontjens, K., Pilet, J.B., Brack, N., Varone, F., Helfer, L., Vliegenthart, R., van der Meer, T., Breunig, C., Bailer, S., Sheffer, L. & Loewen, P.J. (2023a), “Inaccurate Politicians: Elected Representatives’ Estimations of Public Opinion in Four Countries”, The Journal of Politics, 85(1): 209-222. The bad news is not quite as bad as that makes it sound because, when asked whether the majority of public opinion was for or against various policies, politicians picked the wrong option ‘only’ 29% of the time. However, this included getting it wrong even when public opinion is far from evenly split on an issue: They do not only get it wrong when the public is divided and hard to read (e.g., when there is a 51%:49% distribution). Seventy percent of the misplacements occur for policies with a relatively clear distribution of at least 60% (dis)agreeing citizens. Moreover, the public scored only slightly worse than politicians, picking the wrong option 2.7 out of 8 times on average, compared with 2.3 times for politicians. Turning to the other measure of accuracy (not which side is in the lead but what the percentage support is for each side), politicians on average were 18 percentage points out in their guesses. Again, this was only slightly better than the public, whose error came in at 21 percentage points.2 Further research, using the same mix of countries, gives a little more comfort about how (in)accurate perceptions are: We show that politicians have a better understanding of public opinion when they think the issue matters to voters. Further, when an issue is personally important to politicians they more accurately estimate their party supporters’ opinions. The results confirm that politicians hold more accurate perceptions of voters’ preferences when they think it is important to do so but not necessarily when the issues actually are important to voters. Butler, C., Walgrave, S., Soontjens, K. & Loewen, P.J. (2024), “Politicians are better at estimating public opinion when they think it is more salient”, Party Politics: 1–13. Even so, it’s not a good picture. The remedy for this? Politicians should spend more time reading the polls. So forward this newsletter to someone you know… Share For a more general argument against banning polls, see my 2024 piece. Is “Let Bartlet Be Bartlet” good advice or not? The latest episode of my Political Fictions podcast heads across the Atlantic for a dip into one of the political TV classics: Mark and Cory talk about a giant of American political drama for the first time this week, as they tackle The West Wing. They talk about Let Bartlet Be Bartlet, the nineteenth episode of series one. In it, Mark wonders if The West Wing is actually the epitome of the “Boris Johnson school of politics”, Cory outmanoeuvres Mark into confirming we will record a Christmas Special about Love, Actually and they debate whether the central message of this episode has been misunderstood. Cory’s email newsletter is Paperback Rioter and Mark has a family of email newsletters. Subscribe to our newsletter for some additional bonus content and to get alerted whenever a new episode comes out. Our theme tune is “Monkeys Spinning Monkeys” by Kevin MacLeod/incompetech.com and licensed under the Creative Commons: By Attribution 4.0 License. You can also listen to our episode on Apple Podcasts, Spotify, the web or YouTube. Elsewhere from me… [ A Lord's Eye View How to fix the problem of money in our politics Welcome to my latest update on work in the House of Lords. This time I am taking a look at how our political system is regulated, and the protections we need to keep democracy safe from becoming simply a contest to see who has the biggest bank account… Read more 5 days ago · 3 likes · 2 comments · Mark Pack ](https://lordseyeview.substack.com/p/how-to-fix-the-problem-of-money-in?utm_source=substack&utm_campaign=post_embed&utm_medium=web&embedding_publication_id=1269283) If you spot a factual error… Borrowing an idea from Stuart Ritchie and others, if you spot a factual error in an edition of this newsletter, I will give you a free 12-month subscription to the paid-for version (or an extra 12 months on your existing one). Factual errors qualify, but grammatical errors or disagreements over interpretation do not, and my decision is final. Messages about both of those are always welcome, though. Voting intention and leadership ratings Here are the latest voting intention polls from different pollsters. It is all pretty static at the moment, with a small and consistent Labour lead in nearly all the polls. The table is also online here, along with explanations about what is included. It is updated regularly throughout the week as new polls are released. Next are the seat projections from MRPs, also sorted by fieldwork dates, listing those which are based on dedicated fieldwork (rather than models based on averages of other polls). Because such MRPs are published infrequently, some of the entries below are quite old. Finally, here is a summary of leadership ratings, with a graph from PollCheck: Detailed numbers from the latest polls are online here, and both that and the graph are updated regularly throughout the week as new data comes out. For historical figures on both voting intention and leader approval stretching back to the 1930s, including Parliamentary by-election polls, see PollBase. Catch up on the previous two editions [ ](https://theweekinpolls.substack.com/p/a-crisis-point-for-political-polling) [ A crisis point for political polling Sep 13 ](https://theweekinpolls.substack.com/p/a-crisis-point-for-political-polling) [ Read full story ](https://theweekinpolls.substack.com/p/a-crisis-point-for-political-polling) [ ](https://theweekinpolls.substack.com/p/extra-questions-about-the-polls-in) [ Extra questions about the polls in Reform’s funding scandal Sep 6 ](https://theweekinpolls.substack.com/p/extra-questions-about-the-polls-in) [ Read full story ](https://theweekinpolls.substack.com/p/extra-questions-about-the-polls-in) My privacy policy and other legal information are available here. Links to purchase books or other items are usually affiliate links which pay a commission for each sale. Quotes from social media messages are occasionally lightly edited for punctuation and clarity. If you are subscribed to other email lists of mine, please note that unsubscribing from this one will not automatically remove you from the others. If you wish to be removed from all my lists, simply reply to this email to let me know. A quintet of Lib Dem polling analyses, and 9 other polling insights you shouldn’t miss The following ten findings from the most recent polls and analyses are only for subscribers who pay for the full edition, but you can sign up for a free trial to read them straight away. Ahead of the start of Liberal Democrat conference, we have a trio of organisations and a pair of professors with pieces out about Ed Davey’s party:
Neon Abyss 2 launches October 8
Side-scrolling roguelike action game sequel Neon Abyss 2 will leave Early Access and launch for PlayStation 5, Xbox Series, Switch, and PC via Steam on October 8, publisher Kepler Ghost and develop…
Entrepreneur bilked former Siemens CEO of nearly $2 million, feds say
Prosecutors say Wanja Oberhof embezzled most of that money, using it in part for back rent on his nearly $20,000-per-month Manhattan penthouse.
Aidan Chiles and Chip Kelly’s Duo Is Working for Northwestern
Aidan Chiles and Chip Kelly have found early success at Northwestern, with the Wildcats scoring 75 points and surpassing 400 yards in each of their first two games.
Adults with severe mental illness die 15 to 20 years earlier from diseases such as cancer
Exclusive: Stark health inequalities in terms of deaths before age of 75, NHS data reveals
‘Backrooms’ Surpasses $400 Million at Global Box Office
“Backrooms” has hit $400 million at the global box office, a remarkable benchmark for the low-budget indie sensation. After nearly four months on the big screen, “Backrooms” has generated $197.5 milli...
Health experts urge young adults to keep primary care appointments
Mercy Health and Warren County health experts say young adults without primary care can miss baseline checks and early disease warning signs.
What happened to the ‘Eight Is Enough’ cast? See the stars nearly 50 years later
Nearly 50 years after ‘Eight Is Enough’ premiered, see what became of Dick Van Patten, Betty Buckley, Grant Goodeve, Dianne Kay, Willie Aames, and the rest of the Bradford clan.
Roman telescope captures its first test image
NASA's Roman telescope captured its first test image with its 300-megapixel infrared camera. Full scientific images are expected in early 2027.
Here Are Almost 3 Hours of Gameplay From Silent Hill Townfall
YouTube's 'CohhCarnage' got early access to Silent Hill: Townfall and shared three videos, showing almost three hours of gameplay.
Chicago Cubs news
Seiya Suzuki’s slicing single to right drove in two for an early Cubs lead, but that walked away as the Reds won Friday.
Tennessee Titans scouted Virginia Tech vs. Maryland
The Tennessee Titans scouting department has been less visible than other NFL teams during early college games.
Did Ben Shelton Return Too Soon After the US Open?
Five days after playing the biggest match of his career, Ben Shelton was back on a tennis court. This time it was nearly 4,000 miles away from New York, indoors in Prague and with the United States on his back. It did not go particularly well. Jiri Lehecka defeated Shelton 6-4 6-4 to level the …
Scientists Unleash Franken-Mice With Brains That Are Nearly Half Human
Scientists grew mice with part of their brain missing and filled the gap with human neurons, resulting in brains that were nearly half human.
GUEST OPINION: Families should check behavioral health resources early
As families begin a new school year, many are focused on shopping for school supplies, adjusting schedules and helping children settle into new routines. It’s also a good time to check in on a child’s emotional well-being. For families, small changes in a child’s everyday habits can sometimes be early signs of behavioral health concerns. […]
Billionaires abound in California. Why not tax their wealth?
No state may be a more natural fit for a tax on billionaires than California. It leans left and its 250 billionaires are worth nearly $2 trillion. But a ballot initiative to impose a one-time 5% tax might not pass.
Fiorentina vs Napoli
All eyes are on the Artemio Franchi in Sunday’s early Serie A kick-off, as Fiorentina vs Napoli contest what promises to be an important game for both teams.Neither have started the season in partic...
FSU students show interest in staying in Tallahassee
Nearly 900 FSU students attended a local career fair, challenging the idea that graduates always leave the city.
From vaudeville to Broadway, Palace Theatre has evolved for 100 years
The historic Palace Theatre is hitting the century mark this year! Celebrate with special events through early December.
Sooo ... About Last Night
Last night (Sat., Sept. 19, 2026), Ultimate Fighting Championship (UFC) ventured forth to Crypto.com Arena in Los Angeles, California for UFC 331. In the main event, Alexandre Pantoja returned from nearly a year on the sidelines to challenge Joshua Van, the man who broke his arm in their controversial UFC 323 bout. In addition to […]
State settles infant formula contamination lawsuit, more Health Headlines
Colorado is set to receive nearly $2 million from Abbott Laboratories after settling nationwide allegations that the company misrepresented the safety of powdered infant formula purchased with state and federal
Germany's IW institute triples growth forecast for 2026
By Maria Martinez BERLIN, Sept 20 (Reuters) - Germany's economy is set to grow by nearly 1.2% in 2026, helped by stronger exports and government spending in the first half,
Florida Stuns Auburn in Wild SEC Showdown
The Florida Gators are officially 3-0. Florida traveled to Jordan-Hare Stadium on Saturday night and defeated Auburn 44-39 in a wild SEC opener, giving first-year head coach Jon Sumrall his first conference victory with the Gators. Gators Jump Out Early Florida wasted no time making its presence felt. The Gators took a 7-3 lead in…
Tight end Baron Naone unlocking Washington offense early in season
Washington Huskies tight end Baron Naone had 103 yards on Saturday against Eastern Washington, flashing his potential as an elite contributor.
Florida State Football Has to Get Its Momentum Back
Despite early brilliance against Alabama, costly turnovers and a fragile grip on momentum leave the 1-2 Seminoles facing coaching rumors and a desperate need for consistency.
Latest on Brayan Rocchio After Early Exit in Guardians’ Win
Brayan Rocchio left with an injury during the Cleveland Guardians' win over the Athletics.
Searle’s new deal
LEICESTER Tigers and England A fly-half Billy Searle has signed a new contract with the club. The 30-year-old joined Leicester in 2025 from French club Agen and scored 217 points in 24 appearances in all competitions during his debut season. His form earned him a nomination for the Prem player of the season award in […] The post Searle’s new deal appeared first on The Rugby Paper .
Early voting begins in US midterm elections that could flip control of Congress
In Fairfax, Virginia, 18-year-old Sanya Singhal said she voted early to “try to be the first early voter.” In Henrico County, Laura Bland said she cast a ballot to send “a signal that we’re still here.”
Steam Frame Gets First SteamOS Update With Substantially Faster Charging
Valve has released SteamOS 0.3.0 for the Steam Frame, the headset's first system update since it launched on September 14. The changelog lists "substantially faster charging while unit is off / sleeping," which addresses a complaint that came up repeatedly in early reviews. The Verge tested the...
A 66-million-year-old tooth reveals T. rex was nearly as warm as a human
Chemical clues preserved inside fossilized T. rex teeth reveal that the dinosaur maintained a body temperature of about 97 degrees Fahrenheit, almost identical to humans. The finding provides direct evidence that the giant predator was warm-blooded, helping explain how it stayed active and survived in chilly environments as far north as Alaska.
Despite rain, attendance strong at yearly south-side business fair
Santa Fe has made efforts to support immigrant-owned businesses, one sign of which is growth in markets like the Feria Southside.
Michigan Dominates UTEP In Second Half In 52-17 Beatdown
The Wolverines struggled to find their rhythm early, but Michigan exploded for 28 points in the third quarter behind an efficient performance from quarterback Bryce Underwood.
Sally Field says she doesn’t have ‘overt sexuality,’ so used this actress as inspiration for “Norma Rae”
The “Remarkably Bright Creatures” star said she typically played the tomboy in her early roles.
Toronto Blue Jays Playoff Chances Dealt Blow Early on Saturday
The Blue Jays lost 0.5 games in the standings before even taking the field on Saturday.
Massachusetts labor union endorses nearly all incumbents as businesses, workers flee
The Massachusetts AFL-CIO is endorsing 14 of 15 incumbents in major state and federal races in the general election as a massive outmigration of businesses and working-aged residents continues.
LANL: Four Los Alamos Researchers Receive Laboratory Fellows’ Prizes
Virginia Manner, Dru Renner, Dan Hooks and Earl Lawrence. Photo Courtesy LANL LANL NEWS RELEASE Four Los Alamos National Laboratory researchers have been awarded Laboratory Fellows’ Prizes: Virgini…
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Nearly 3 in 4 Americans are battling the same exhausting health problem, CDC reveals
More than seven in 10 U.S. adults experienced fatigue during a three-month period, according to a 2024 CDC survey of roughly 27,000 people. T
Nearly 3 in 4 Americans are battling the same exhausting health problem, CDC reveals
More than seven in 10 U.S. adults experienced fatigue during a three-month period, according to a 2024 CDC survey of roughly 27,000 people. T
Nearly 3 in 4 Americans are battling the same exhausting health problem, CDC reveals
More than seven in 10 U.S. adults experienced fatigue during a three-month period, according to a 2024 CDC survey of roughly 27,000 people. T
Nearly 3 in 4 Americans are battling the same exhausting health problem, CDC reveals
More than seven in 10 U.S. adults experienced fatigue during a three-month period, according to a 2024 CDC survey of roughly 27,000 people. T
The New York Times
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TST Best Bets: September 19, 2026
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Bar Harbor Parents Again Raise Concerns About How Some Science Education In Sixth Grade.
The Bar Harbor Story is generously sponsored by Restaurant Barn. BAR HARBOR—Parents again raised concerns this week about how Bar Harbor students receive science instruction after fifth grade, months after the same issue came before the Bar Harbor School Board. The concern centers on a past scheduling change at Conners Emerson School that gives fifth graders a full year of science rather than switching between science and social studies at midyear. Principal Dr. Heather Weir Webster told the board that the school has been monitoring test scores, teacher feedback, and the experience of students as it considers whether the current approach is working. If it is not, the approach may be changed, but that would not likely occur this school year. In fifth and sixth grade, the school used to have one semester of social studies and one of science in each year. That schedule shifted because switching at midyear often broke up the learning units. So, approximately two-three years ago, they decided to shift that a bit. Science became a dedicated focus in fifth grade. Social studies was the dedicated focus in sixth grade. The school staff members are hoping to dive deeply into the data and see if the students are having a more quality experience throughout their time in those grades when it comes to science and social studies. If not, things could shift again. This year, Dr. Webster said at the September meeting, potential changes to curricula have been a bit complicated by moving into the school’s new building in late October and early November. “There have been no changes this year because it’s hard enough to handle the move. That allows them to have consistency,” Dr. Webster said. Dr. Webster said that after the Covid pandemic which prevented students from attending school in person, many fifth graders were struggling. “We tried several different configurations,” she said, including a co-teaching model to help with that struggle, but to also see how to best schedule and support those students. “We found that a January switch” where classes switched from social studies to science was really difficult. Part of the decision making stemmed from science being more hands-on and accessible to fifth graders. Social studies was a bit more abstract content, which was why the school tried the current configuration. In a letter submitted as public comment, parent Beth Dumont wrote, “In May 2026, I wrote to express my concern that our middle school students are not receiving consistent instruction in science and social studies. I appreciate that the Board took this concern seriously and requested a presentation from Principal Webster. I am also grateful for the opportunity to meet with Principal Webster and Julie Keblinsky in July to learn more about the current curriculum and scheduling. “During that meeting, I learned that the current model is intended to integrate science and social studies into other subjects during the years or semesters when they are not offered as standalone courses. “While I appreciate the intent behind this model, I remain concerned about its premise. Science and social studies are core academic disciplines that provide students with essential knowledge, skills, and ways of thinking. Yet under the current schedule, students are not guaranteed consistent instructional time in these subjects. Instead, exposure to content in these disciplines may depend on whether opportunities for integration arise within other classes. “To be clear, I strongly support interdisciplinary learning. Integrating science and social studies across the curriculum can enrich students’ educational experiences and help them make meaningful connections across subject areas. My concern is not with integration itself, but with relying on integration as a substitute for dedicated instruction in core disciplines.” Dr. Webster said that they’ve been monitoring test scores, talking to teachers, seeing how the pilot program works. It’s in its third year now of this schedule. One science teacher, she said, told her he’d seen positive outcomes with full year science and that there was a stronger classroom community. Another science teacher had concerns over the readiness last year, but she isn’t feeling that way about this year’s current class. A third teacher for social studies said he loves the full year. A fourth teacher of social studies hasn’t said that anything has changed. For the three fathers who spoke at the school committee meeting, the fractured science curriculum caused concerns. One father said that when he spoke to others, “all were surprised and confused as to why there was no dedicated, continuous science education,” at the school. Though students are testing well in science and math, he worried that without continuity in education, learning is lost. “We shouldn’t have to choose between key learning disciplines,” he said. Matthew Bergin, another father, agreed, adding, “I’m just a little concerned.” In her letter, Dumont wrote, “As the parent of a recent sixth grader who completed an entire year without a dedicated science course, I saw very little evidence that this integration was occurring in a consistent, systematic, or readily identifiable way. This is not a criticism of our middle school teachers, who have been uniformly excellent. Rather, it is a structural criticism of the current schedule.” Dr. Webster gave an update about all aspects of the schedule and how it’s created and she also spoke to social and emotional learning (SEL) in middle school. It’s explicitly taught but also embedded. Science is embedded as well and explicitly taught at all but that one grade. The school schedule is built from lunch out, then electives like art and physical education are placed, before going into the instruction time, teacher planning time, multi-tier support systems (MTSS), and then social and emotional learning. Teachers have to have 250 minutes a week of planning time per their contracts. That’s the minimum and occurs when their students are at specials. “The schedule is really not the purview of the board,” School Board Chair Marie Yarborough reminded the other board members and the public and thanked Dr. Webster for the presentation. The parents were also thanked for coming. LINK TO LEARN MORE [ ](https://barharborstory.substack.com/p/despite-strong-rankings-some-bar) [ Despite Strong Rankings, Some Bar Harbor Parents Raise Concerns About School's Science Education ](https://barharborstory.substack.com/p/despite-strong-rankings-some-bar) Carrie Jones · Jun 4 [ Read full story ](https://barharborstory.substack.com/p/despite-strong-rankings-some-bar) HELP SUPPORT THE BAR HARBOR STORY When we started The Bar Harbor Story, we didn’t know if anyone would read it. But you showed up. You shared. You sent tips. Now—over 400,000 views every month later—it’s clear: people here care about their community and each other. We’ve kept everything free because news should never be out of reach, but every one of our stories takes time to write, and your support keeps The Bar Harbor Story going. If you value our work, please consider a paid subscription, a founding membership, or a sponsorship. It truly helps us cover one more meeting, tell one more story, shine one more light. Even $5 a month makes a difference. Click here to become a one-time supporter now. Thank you so much for being here. Founding member information can be found here. Have questions about sponsorships? Just send Shaun an email at sfarrar86@gmail.com, he’d love to hear from you. Subscribe Share Bar Harbor Story Share Leave a comment
Apple Watch Series 12 might finally convince me to switch away from WHOOP
Earlier this year, I picked up a WHOOP for the very first time. As a longtime Apple Watch user I...
The Big Holes in Wearable Heart Rate Variability And Readiness Scores
On September 9th, Apple announced it was revamping its Apple Watch Health Sensing System, rolling out a Readiness score (0 to 10), and increasing the frequency of heart rate variability (HRV) outputs 24-fold. This can be viewed as upping its competition with various other consumer wearable sensors. These “readiness scores” as a composite of multiple metrics, with heart rate variability (HRV) being front and center for most. The majority of Americans are now using wearable sensors, which equates to well over 100 million adults. HRV and Readiness scores are increasingly being marketed as a measurement of autonomic nervous system health, a digital marker for future disease, a clock for biological age, and a holistic metric to promote healthspan and even longevity. (Apple also introduced a new longevity tab and “Health Age”.) None of this has been proven. In this edition of Ground Truths I am going to review what we know about heart rate variability and readiness scores. Heart Rate Variability HRV is the variation in normal heart cycle timing. The variability of the heart rate, the barely perceptible millisecond changes in time between consecutive heart beats (see R-R intervals in the Figure below, left panel), is due to interplay between the sympathetic and parasympathetic (vagal nerve) inputs. Distinct from heart rate, individuals with the same heart rate can have very different HRVs. It is a rough reflection of the autonomic nervous system (ANS) activity, inadequate to say whether a person’s ANS function is abnormal. For more than three decades, heart rate variability (HRV) has been measured and several studies have found an association of low HRV and clinical outcomes, particularly a link with higher all-cause and cardiovascular mortality. There have also been less well established links of low HRV to risk of early cognitive impairment, dementia, mental illness, Type 2 diabetes and substance abuse. An important reminder is that HRV is a surrogate marker without any established cause-and-effect relationship. If you increase your HRV, that doesn’t mean it will improve health outcomes. In fact, there is no hard evidence for that. All that work linking to health outcomes was done with electrocardiogram (ECG) derived HRV. Now, in the era of consumer wearables, this is getting assessed differently, by optical pulse (yes, the lights you see) plethysmography (PPG) or what is called pulse rate variability (PRV). They are not the same, as shown below (right panel) and only concordant when the delay between the ECG and pulse is kept constant, which basically means at rest. I should mention there’s also what I will call MPV, a mattress mechanical movement sensor, a derived heart rate variability, that companies like Eight Sleep use, even further away from directly measuring HRV. HRV has not one uniform measurement but many different types of quantification, such as RMSSD, the magnitude of difference between successive R-R intervals of normal sinus beats (N-N) or SDNN, the standard deviation of NN intervals, both in milliseconds. SDNN is one of the so-called frequency domain HRVs (others are LF, HF, LF/HF). Different wearable sensors use different metics; Apple has relied on SDNN and nearly all of the others use RMSSD, which is generally considered the more accurate metric. There’s also the different length of time measured, such as for a matter of minutes, all day, or an overnight’s sleep. Short measurements are especially problematic since they don’t capture enough of respiratory modulation and other factors that influence HRV. Share Ground Truths How well does HRV correlate with PRV? There are very limited studies, especially independently done. One that is commonly cited was conducted by Air Force researchers in only 13 healthy adults assessing Oura ring 3 and 4, Whoop 4.0, and Garmin Fenix 6 and showed a correlation coefficient of 0.88 to 0.97 and a mean absolute percentage error from 6 to 10%. The correlation is not a perfect 1.0, but there’s at least a fairly high level of correlation. HRV is supposed to increase during the night due to takeover of the parasympathetic nervous system, and higher during deep sleep. A recent example of my 1 week, all day “HRV,” and one during sleep is shown below. As you can see, the N of 1 data are inconsistent for the same days from different sensors (Oura, AppleWatch, Fitbit Air, and Eight Sleep) by patterns, absolute numbers, and comparison with prior days and weeks. The largest study in over 8 million Fitbit users (the old version, not Google Fitbit Air, introduced in May 2026) gives you a sense of the effect of age, sex, and the 2 different main HRV (here PRV) metrics, with RMSSD on the left and SDRR (=SDNN) on the right below. That study, from data collected in 2018, is a major outlier, since all the more recent ones are tiny with respect to sample size. Many of the companies have not had independent evaluation of their HRV, such as Eight Sleep, but have published a low standard error on their website. There are some other published studies on the correlation between HRV and PRV, but they are all small and only in healthy adults. A scoping review emphasized the lack of study in underrepresented individuals, including the aged, people of color (which affects the PPG signal), and individuals who are underweight or obese. Add the typical adult age 60 plus with one or more chronic diseases. For example, one study in over 900 adults found poor correlation of HRV and PRV, non-uniformly underestimated across many chronic diseases (cardiovascular, endocrine, neurological, respiratory, and others), concluding PRV is “an invalid surrogate for HRV.” A recent systematic review of 43 studies comparing HRV and PRV found reasonable pooled absolute standardized error (HRV as gold standard) but only 10 of the studies provided quantitative synthesis in ideal conditions. Their main conclusion was similarly cautious: “PPG-derived HRV [PRV] should not be regarded as universally interchangeable with ECG-derived HRV across all devices, populations, and recording contexts.” Factors Affecting HRV and PRV That gets me to the long list of factors that affect HRV (and PRV) besides the device, the type of measurement (RMSSD, SDNN or others), the person’s signal, the sensor site, the duration of data capture, if weighting by sleep stage is used, how artifact is processed and corrected. And this list is not complete!: Oura puts out data from their community of users (who input data) on what affects their overnight HRV. The factors currently provided are: no alcohol (increase 8%), melatonin (increase 2%, float tank (increase 2%), wine (decrease 4%), and party (decrease 14%) in overnight HRV. Must be some big parties! Subscribe What is a PRV measurement good for? It has been falsely characterized as an index of “autonomic balance” and a specific indicator of stress. A 2018 review of the studies available for HRV and its relationship to stress, not using any of the current wearables, found that stress can lower HRV. But so can many other factors. The non-specificity of the signal, indexed to the table above, is striking. Evidence from a UK Biobank study of over 46,000 participants with actual HRV looked at genetically predicted HRV, a genetic risk score, that failed to show the expected HRV-mortality link, indicating that _HRV is likely not causa_l, but rather a reflection of person’s physiologic state. A review of consumer wearable HRV data from 5 longitudinal studies showed that nighttime PRV was not associated with perceived stress, and surprisingly higher HRV, in the largest cohort (N=717 participants), was correlated with higher stress. An Oura ring cohort of 525 first-year college students found a link between overnight PRV and perceived stress, but that was also seen with resting heart rate, sleep, and respiratory rate. Several very small studies have examined the relationship of HRV and athletic injuries or guiding training with mixed, and predominantly negative results. HRV biofeedback training with paced breathing had no significant effect on reducing stress or raising HRV, as demonstrated with sham controlled trials. When HRV for multiple days showed a decline in conjunction with body temperature, the Oura ring published data for prediction of Covid. The WHOOP company sponsored an observational study, published in 2026, of 30,000 users for 72 weeks, without a control group, that reported reduced alcohol intake (5.8 % points) by self-report. That doesn’t tell us much, and particularly about the merits of HRV for behavioral change. If you use the same device and conditions as longitudinal trends for multiple (at least 2-3) weeks that may be the one way to get something useful from the measurements. Data for overnight sleep with minimal motion and using RMSSD is the best proxy for real HRV. The reason to look at trends rather than any given night is that it more likely represents something, even though you won’t know with certainty what the “it” is. Keep in mind there are no data, no peer-reviewed evidence, to show that HRV fluctuation in-person has any correlation with health outcomes. Share Readiness Scores These are proprietary scores that integrate different metrics for each of the wearables: no algorithms have been disclosed. They are unvalidated against health outcomes. In a review of 14 composite health scores of readiness and recovery, HRV contributed 86% to the scores, followed by reading heart rate (79%), physical activity and sleep duration (both at 71%). That review noted the substantial variability in measurement protools and lack of standardization. Sleep staging is notoriously inconsistent and inaccurate by these sensors, which adds further to the HRV uncertainties for what the scores, which use sleep stage data, mean. Only resting heart rate has been shown consistently across devices to be extremely accurate. I’ve made a Table to summarize what we know about which metrics are included, the scores, any peer-reviewed studies that compared the readiness score with health outcomes, and the corresponding (if any, NA-not available) citation. You will note that some companies do not use the term “readiness," such as WHOOP for recovery, and Garmin, which has 2 different scores, one of which is Body Battery. Eight Sleep uses the term “Fitness Score.” They all include HRV; Apple includes a new metric they call “Recovery HRV” which among other components uses 7-days of sleep, but it is unclear what this means or how it is differentiated from other scores (there are clearly no data for outcomes). We have no knowledge of how the different components are weighted or whether any of these scores are better than resting heart rate, HRV alone, physical activity, or any other single metric. Since none of these are standardized, they are not interchangeable, so if you get a 90 for Oura that has no relationship to a 90 on a Google Fitbit Air. Notably, the company can update its algorithm for readiness score at any point without notification to device users. Without any useful evidence of actionability for these scores or established relationship with health outcomes, it is hard to make a case for their value. At the Apple recent announcement they showed their Readiness score (0-10) on the watch (Figure below) but there are no published data on this score, not even on their website. It’s available only on their new Watch Series 12 or Ultra 4 [of course, ;-)]. That exemplifies the problems with these scores, lack of data and evidence for being meaningful to promote health. Perhaps the best study (which isn’t saying much) is the WHOOP Recovery for golfer performance, because it did correlate with an objective outcome, even though there was no control group and the authors were all from the company. Among the 389 pro golfers, an absolute 10-per cent point increase in Recovery score was associated with about 0.5 fewer strokes per round. But that’s hardly a health outcome! WHOOP is also conducting a study in over 2,700 runners to see if their recovery score will be linked to less injuries and improved performance, but that is not yet published and has no control group or randomization. Putting This in Context For two decades I’ve been enthusiastic about the potential for digital health and particularly wearable biosensors. Over the years, we’ve seen some great progress for their ability to promote physical activity and accurately detect atrial fibrillation (the first FDA cleared deep learning AI for consumers). That work was the subject of rigorous research. But there are holes in the data and evidence for other metrics. One notable one is the “VO2 max” story that I wrote about earlier this year. At that time many subscribers asked me to cover heart rate variability, which I finally got to here. When I dived into the research and publication for HRV and readiness scores, I expected to find at least some that were of high quality and demonstrated their utility by linkage to health outcomes. To my surprise, I found none. The wearable sensor measurements for HRV (PRV) are, for the most part, accurate, but that validation work has only been done in small studies of healthy adults and does not take into account the long list of factors, from the device, software side, and the user side, that affect HRV measurements. Moreover, this metric chiefly relies on optical sensing and, as we have learned for heart rate PPG sensing, may be less accurate in people of color. Keep in mind that all of the health outcome association evidence comes from ECG-derived HRV; none are from wearable sensor data. I will repeat the key point: there's no peer-reviewed evidence to show that in-person HRV fluctuation—or efforts to raise your HRV— has any correlation with health outcomes. For those of you who look at your HRV on awakening, or even 2+ week trends of it being low, I hope this context helps to relieve any anxiety. Yes, low HRV (not PRV) has been shown to increase risk of some diseases as summarized above. But efforts to raise your HRV—a surrogate metric— has not been established for improving any health outcomes. HRV does not have any evidence of causality (the genetic evidence actually goes against this possibility). In this summary, I have not included data for other wearable sensors such as Polar, Samsung, Withings, Suunto, Amazfit, Coros, Ultrahuman, or additional mattress sensors. These are beyond my first-hand experience, and as far as I know from my in-depth review none have any peer-reviewed published data that differ from the 6 sensors I’ve reviewed here. From the points I’ve gone over above, we’re not ready for readiness scores. Besides being proprietary, they are predominantly based on metrics that have their own issues. It’s compounding the problem, like building a house without a solid foundation that has never undergone a rigorous inspection, and then selling it. Like I mentioned for PRV, you can look at trends over weeks rather than any single day, to get a handle, but even that may not be helpful. There’s simply no evidence that these scores meaningfully relate to health outcomes. I’d emphasize they might, but that requires doing prospective or randomized studies to prove it. None exist. There’s great promise for HRV/PRV utility_. For example**,**_ Prof Maiken Nedergaard, who discovered the brain glymphatics that are essential in eliminating metabolic waste products from the brain during sleep, has posited that HRV could be a non-invasive marker for neuromodulator oscillations, brain-body regulatory circuits, and brain clearance. That would be extremely useful, but like everything else on HRV and readiness scores it requires solid research and validation. The lay media isn’t helping much to get the story straight. Earlier this year The Economist published a piece entitled “The most useful indicator of your overall health” which ordained HRV as an “accumulated stress score.” That’s akin to the false assertion about VO2max: “V02 max is the singular most powerful marker for longevity.” As I’ve summarized here, that is not established. The fact is that so many things can lower HRV, including physical exercise (especially an intense workout), reduced sleep quality, stress, the list above, no less the device, signal, and software. Whatever fluctuations observed have not been correlated with any health outcome. Sadly, “datamaxxers” are widely using HRV and readiness scores that have never been validated to mean anything. We already know that for some people using the sensors for sleep metrics, it can induce “orthosomnia,” an obsession to get high sleep quality, with associated high levels of anxiety. In an experiment done by a company to promote sleep quality for its employees, “For those employees who did use the trackers, many reported feeling perfectly rested until their tracker told them they had had a terrible night. Others were told that they had slept like a baby when they had actually been lying awake worrying about the quality of their sleep. “ The same problem can result from preoccupation with HRV or readiness scores, with anxiety that would lead to further reduction in both. It you are using a wearable like >100 million American adults, it’s OK to look at these data, but contextualized with the major caveats reviewed here. If you are one to require evidence that HRV or readiness scores are linked to health outcomes, you may not even want to look. The companies make it hard to turn them off! Let me end with the companies that make and sell wearables. Apple’s doubling down on HRV (24-fold more reporting and heart rate very 5 seconds) and introduction of a Readiness score tells us that consumers have bought into these metrics and they are joining the club. However, all of this is occurring with a backdrop of tens millions of users, claims about the data that are not backed up by adequate evidence, marketing way out in front of whatever limited data exists, and not being transparent about their readiness score algorithms. The companies can well afford to do the research that is needed to connect these metrics with health outcomes show, once and for all, that increasing HRV or using readiness scores promotes our health. If they believed and invested in the products they are selling, we’d not be in this position of not knowing. That’s essentially where we are with HRV and readiness scores. Perhaps someday this will change and we’ll have good reason to embrace them. NB: I wrote this post. No AI. I have no conflicts of interest with any of its content. Loading... Ground Truths has 215,000 subscribers from every US state and 214 countries. There are over 300,000 followers of Ground Truths so more than 90,000 folks who can easily convert to be free subscribers. Your subscription to these free essays and podcasts makes my work in putting them together worthwhile. If you’re not a subscriber, please join! If you found this interesting PLEASE share it! Share Ground Truths The proceeds from all voluntary paid subscriptions go to support our summer internship program. It enabled us to accept and support a record number of 62 summer interns that joined us in 2026! These are high school, college and medical students selected from thousands of applicants. We couldn’t do this expanded program without the funds coming in through Ground Truths. Thank you!
In March 2025, a baby colossal squid was filmed alive in its natural habitat for the first time, a translucent animal about a foot long drifting 1,968 feet down near the South Sandwich Islands. The species was named a century earlier from two arm crowns recovered from a sperm whale's stomach.
A century after scientists named this deep-sea giant from whale stomach contents, a camera finally captured one alive—and it looked nothing like expected.
The Watch: Drought-Flood Whiplash Intensifies As Climate Warms
Frequent extreme shifts in weather challenge communities’ preparedness…lagging protections pose health risks as data centers boom…nearly half of all young Medicaid users could lose coverage under new policies…and more
Fulham v Man Utd: Key stats and talking points
The Red Devils, who were dumped out of the Carabao Cup by Brighton on Wednesday, have won just one of their opening four Premier League games this season to leave them 13th, already eight points adrift of the early pace-setters Arsenal and Manchester City. The Brighton defeat rounded off a difficult few days for United head coach Michael Carrick, whose side were insipid in the Manchester derby loss to 10-man City last Sunday. Throw in the uncertainty over academy star JJ Gabriel's future and Carrick is in dire need of three points on the road in west London.
Man City v Sunderland: Key stats and talking points
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Opinion | Trump’s Political Instincts ‘Are Clearly Fading’
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