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California High-Speed Rail watchdog says cash crisis could mean even shorter Central Valley segment
The California High-Speed Rail project is expected to run out of funding by December 2027, and it could mean an even shorter first segment through the Central Valley than what lawmakers and project officials had been planning, according to the project's government watchdog.
California Politics 360 full episode | Financial troubles ahead for CA high-speed rail
The project’s watchdog is sounding the alarm that the high-speed rail project could be out of money by December 2027.
BlizzCon 2026 Debuts Halftime Show With YOASOBI
The J-pop duo electrified the Overwatch World Cup as Simu Liu, T-Pain, deadmau5 and more joined Blizzard's long-awaited return to Anaheim.
Nashville Predators announce streaming service details, cost, how to watch
The Nashville Predators have announced details about their new streaming service which will begin with the 2026-27 season.
Nashville Predators announce streaming service details, cost, how to watch
The Nashville Predators have announced details about their new streaming service which will begin with the 2026-27 season.
Watch the Tense New Trailer for Ben Affleck's Netflix Thriller 'Animals'
Ben Affleck wrote and directed the movie, a thriller about the son of an L.A. mayoral candidate being kidnapped.
Bengals at Texans: How to watch, TV schedule, and more
Wanna watch a Texans game? We can help you with that.
Jodi's Journal: Weighing the price of data privacy
In a week of discussion over who’s watching us on the road, Jodi considers how data privacy questions could land next in the workplace.
Human Rights Watch urges Venezuela to 'protect people's basic rights', release political prisoners
In its first official visit to Venezuela in 18 years, Human Rights Watch said its representatives met with interim President Delcy Rodríguez, foreign diplomats, human rights organizations, journalists, and families of those currently incarcerated.
Steelers vs Patriots: How to watch, listen and stream
It's Week Two of the NFL regular season and here is your guide to be sure you can watch this week's game between the Steelers and Patriots.
Puck Drop Preview: 2026-27 Tampa Bay Lightning
Last Word On Hockey's Puck Drop Previews are back for the 2026-27 season! As the regular season approaches, Last Word will preview each team's current outlook and stories to watch for the upcoming year. We'll also do our best to project how things will go for each team throughout the campaign. Today, we're previewing the …
Brahms on a period piano? Like watching snooker in black and white
From the Lebrecht Album of the Week: Johannes...
Tissot Introduces the First Quartz PRX Chronograph
Tissot adds a quartz chronograph to the PRX collection, pairing its integrated steel design with a cool vertically brushed dial and slim built.
Jaguars vs Broncos: How to Watch Week 2
Game time, TV/radio schedule, betting odds, and more for Jaguars vs Broncos in Week 2.
Sports on TV/radio listings: Sept. 20
Where to watch and/or listen to today's sporting events that will be televised or broadcast on the radio.
Sunday Night Football: How to watch the Indianapolis Colts vs. Kansas City Chiefs game tonight
How to watch this week's Sunday Night Football clash between the Colts and the Chiefs.
Minnesota Vikings vs. Chicago Bears: How to watch the NFL Week 2 game, channel, streaming info and more
How to watch the Vikings play the Bears this Sunday.
As a basketball player, Joel watches more film than …
As a basketball player, Joel watches more film than …
Pittsburgh Steelers vs. New England Patriots: How to watch, start time, where to stream free and more
Find out how to watch the Steelers vs. Patriots NFL game this week.
It'll be controversial! Liverpool's eye bizarre new transfer
Liverpool have a new transfer plan in mind and it'll prove controversial. The Reds need to have a big think on this one.Liverpool are weighing up their transfer plans for the January transfer window a...
Liverpool make Premier League intentions clear with historic announcement
Liverpool are undoubtedly one of the biggest clubs in world football, but the last 18 months on the pitch haven't reflected that. Since winning the Premier League in 2025, the Reds have disappointed,...
What channel is 49ers vs. Dolphins on today? Live stream, time, TV schedule to watch NFL Week 2 game
Here is everything you need to know about 49ers vs. Dolphins, including TV and streaming options for the game.
Liverpool eyeing fourth £100 million signing for January
One of the key weaknesses in the squad that Liverpool failed to address in the summer is the right-wing position. With Mohamed Salah no longer at Anfield and Federico Chiesa out injured, the Reds are ...
☀️ Estupinan starts, Soulé frustrated, Koop benched: morning news
The fifth round of Serie A continues on the day that will then lead into the long break for international duty.Watch the entire Serie BKT live with LaB Channel on OneFootball: subscribe for just €9....
It's confirmed: Electric striker ready to join Liverpool squad
Liverpool have a fantastic striker ready to join their first-team squad. It’s time, that much is clear.Liverpool are low on strikers right now. Hugo Ekitiké's injury has them down to just the one e...
UFC 331 Post-Fight Press Conference Video
Watch the UFC 331 Post-Fight Press Conference video here.
Schools rugby looks in fine fettle
THE appetite to watch good schools rugby is alive and well judging by the 2,000-strong crowd that watched Bedford School play Rugby School at Goldington Road on September 4. The Midlands derby, which was a Friday evening fixture played under floodlights at the home of Champ stalwarts Bedford Blues, showed that the heart of community […] The post Schools rugby looks in fine fettle appeared first on The Rugby Paper .
AMC Entertainment Holdings (AMC) Could Be 6% Undervalued As Premium Formats Lift Attendance
Recent commentary on AMC Entertainment Holdings (AMC) points to a stronger film slate and higher demand for premium formats. This is lifting attendance and sentiment even as investors continue to watch the company’s leverage closely. At a share price of US$2.70, AMC Entertainment Holdings has seen a 7 day share price return of 9.76% and a year to date share price return of 67.70%, yet the 1 year total shareholder return has declined 10.30%, signalling that recent momentum contrasts with a...
Game 155: Twins at Angels
First Pitch: 8:38 pm CDTTV: Twins.TVRadio: TIBN / WCCO 830 / The Wolf 102.9 FM / Audacy The kids have been showing out a bit in Anaheim, providing one of the only remaining reasons to watch 2026 Twins baseball as this underwhelming season has normalized itself to fall back in line with preseason projections. Now, […]
WATCH LIVE: Pete Buttigieg keynotes Texas Democrats Johnson-Jordan Dinner
Former Transportation Secretary Pete Buttigieg delivers the keynote address at the Texas Democratic Party’s 12th Annual Johnson-Jordan Dinner as Democrats rally ahead of midterms.
Apple Watch Series 12 and Ultra 4 missing one health-focused feature
Well, this is odd. The handwashing timer feature is currently absent from the new Apple Watch Series 12 and Ultra...
Exclusive: Liverpool continue to scout striker, he's scored again
Liverpool are continuing to scout and watch one of the best young strikers in Europe. He's only gone and scored again.Anfield Watch understands that Liverpool are carefully watching Paris Brunner. The...
Andoni Iraola drops massive hint about Liverpool's next signing
Ronald Araujo has been a revelation since his arrival in Merseyside, and the Uruguayan has established himself already. Although initially signed as a central defender Araujo has already made a compel...
1983 TV Movie Drew Over 100 Million Viewers, More Than Most Super Bowls
Decades later, this TV movie is still the most-watched TV movie in history.
1983 TV Movie Drew Over 100 Million Viewers, More Than Most Super Bowls
Decades later, this TV movie is still the most-watched TV movie in history.
Peacocks vs Eagles: How to watch Leeds United this weekend!
Elland Road hosts another Premier League fixture on Sunday afternoon as Leeds United welcome Crystal Palace, with the Peacocks looking to maintain their place among the early pace-setters.Daniel Farke...
Confirmed: Injury costs Liverpool winger; Andoni Iraola forced to pivot
Liverpool don't have the winger they wanted this season thanks to injury. Andoni Iraola has been forced to pivot into something new.Liverpool quite famously lack a balanced squad right now. There are ...
Northwestern vs. Colorado: How to Watch, Odds and Injury Report
Here's everything you need to know before the Northwestern Wildcats take on the Colorado Buffaloes in their final game at Northwestern Medicine Field at Martin Stadium
Democrats call for investigation into faulty AI-generated intel report
A group of top Democratic senators is calling on government watchdogs to investigate a series of mistakes in US military targeting plans caused by artificial intelligence, after a CNN report detailed how one such error, according to a source familiar with the incident, “almost started a war.”
Everyone's finally caught up to Liverpool's biggest problem: Except Liverpool
Liverpool have a massive problem on their hands and people are finally noticing. Except Liverpool, however.Liverpool spent an awful lot of money in the summer once again. Only this time, they didn't s...
Amazon cuts Apple Watch Series 12, Ultra 4 prices upon release
Apple Watch Series 12 and Apple Watch Ultra 4 models are on sale this weekend, with Amazon rotating discounts across case options and band colors.
Chicago Bears vs. Minnesota Vikings: Week 2 Players to Watch
Take a look at @BryanOrenchuk’s players to watch as the Vikings travel to Chicago in week 2.
Early Games Thread – Anything Interesting Going ON? -Game Thread
I like college football, but when you look at today’s slate of games, it’s really hard to find something that might be interesting to watch. Therefore I have included all a lot of lower division games. The big game of the day is LSU-Old Miss. Possibly for the number of riots and fisticuffs that could […]
New releases from Blancpain, Czapek, Grand Seiko and more
This past week has been one for the ages. Rolex announces an annual calendar carrying an official nickname for the first time, Blancpain releases one of the smallest mechanical movements to date, and Grand Seiko brings back Arabic numerals after 25 years. There’s plenty more too, spanning other all sort of styles and budgets with … Continued
Ravens - Saints: How to Watch, Predictions, and More
Everything to know about the Baltimore Ravens' home opener against the New Orleans Saints.
Chicago Bulls Guard Expected to "Dominate" Trade Conversations
A newly signed veteran could quickly become one of the league’s most closely watched trade candidates, though the Chicago Bulls' emerging young core may give the team reason to keep him.
How to watch Memphis’ home game against UT Martin
Memphis returns to action at Simmons Bank Liberty Stadium for its final non-conference game against UT-Martin. The Tigers will look to bounce back following a 38-20 loss against Boise State.
Apple Watch Ultra 4 Sees First Discount After Launch, Now $779.99 on Amazon
The new Apple Watch Ultra 4 just launched yesterday, and Amazon is offering the first cash discounts on select models for the first time since their launch. You can get the Apple Watch Ultra 4 in Natural with Translucent Gray Ocean Band for $779.99, down from $799.00. Note: MacRumors is an affiliate partner with some of these vendors. When you click a link and make a purchase, we may receive a small payment, which helps us keep the site running.
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!
How to watch UNC’s road matchup against Clemson
Here’s how you can catch one of the more interesting matchups of UNC’s 2026 season.
Paxton, Talarico Texas US Senate contest tightens in race's final weeks
Republican Ken Paxton and Democrat James Talarico are facing off in a closely watched Texas U.S. Senate race with national stakes.
Big 12, Top-25 college football games on TV today
Here are some big college football games you can watch today.
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
Top Stories: iOS 27 and macOS Golden Gate Out Now, Siri AI Waitlist, and More
All of Apple's products introduced at last week's event with the exception of the iPhone Duo are now available, with the iPhone 18 Pro and Pro Max, Apple Watch Series 12 and Ultra 4, and AirPods 5 all launching on Friday. While new hardware is always a welcome arrival, users of existing hardware also got big upgrades this week with the releases of iOS 27, macOS Golden Gate and more.
Broncos vs. Jaguars: 3 Players to Watch in Week 2
These three players need to perform well for the Denver Broncos to secure a victory against the Jacksonville Jaguars.
Puck Drop Preview: 2026-27 St. Louis Blues
Last Word On Hockey‘s Puck Drop Previews are back for the 2026-27 season! As the regular season approaches, Last Word will preview each team’s current outlook and stories to watch for the upcoming year. We’ll also do our best to project how things will go for each team throughout the campaign. Today, we’re previewing the 2026-27 St. Louis …
How to Watch SMU vs. Louisville in Massive ACC Showdown
The Mustangs and Cardinals meet Saturday in a ranked matchup that could shape the ACC Championship race and SMU's College Football Playoff resume.
Watch the Celtic v Rangers LIVE on CelticPlayer
Celtic are back in league action tomorrow (September 20) as they take on Rangers at Paradise, looking to secure an important three points in the Scottish Premiership.Join us for the match tomorrow wh...
The Samsung Galaxy Watch9 Wants to Tell You Everything About Your Body
Samsung’s latest smartwatch adds even more health metrics to its suite. I spent two weeks testing whether they’re actually useful.
Commanders vs Cowboys: 4 matchups to watch in Week 2
Here are four matchups to watch in Sunday's game between the Commanders and Cowboys.
Sherrod Brown Tries a New Retort to Criticism on Transgender Issues
A spot from the Senate candidate in Ohio seeks to dismiss the Republican Party’s focus on transgender rights as a distraction from economic issues.
Where to watch Wisconsin vs. Eastern Michigan: Time, TV channel
The Wisconsin Badgers' football team is back at Camp Randall Stadium Saturday morning as the Badgers host Eastern Michigan.
Liverpool make contact to sign phenomenal German super talent
Liverpool have made contact to sign an incredibly talented German player. When Jurgen Klopp took over a decade ago, there was this perception that he was going to bring in a lot of German players.Klop...
Incredible genius will become Liverpool's next sporting director
Liverpool's next sporting director could be an absolute genius. The Richard Hughes era is over at Anfield. He has left the club after a whirlwind two years. During his time at Liverpool, Hughes attrac...
WBNS 10TV
From its founding in 1949, WBNS-10TV has strived to bring to central Ohio the highest quality news and entertainment programming, while utilizing the best in television technology. WBNS is the most-watched news channel in central Ohio, delivering 24-hour news, CBS programming and sports, top-rated syndicated programs and award-winning local programming. WBNS stands on the cutting edge of television broadcasting as it has since its inception. On television, online and on the go, 10TV News is Central Ohio's News Leader. WBNS is part of TEGNA, a publicly traded local media company dedicated to serving the greater good of our communities.
Friday Night Football 2026 Highlights & Scores
The full 60-minute Friday Night Football show can be watched on-demand on our KFDX+ app for smart TVs, or it can be streamed online here. Brownwood at Graham Graham defeats Brownwood 64-9 (5)Jacksboro at Bowie Jacksboro defeats Bowie 70-34 (8)Windthorst at Henrietta Windthorst defeats Henrietta 49-21 City View at Iowa Park Iowa Park defeats City […]
TV View: Watching Sunderland In Europe From the Couch
Michael Dunne shares his own experience of Sunderland’s memorable Europa League victory — accompanied by an Aero bar!
Watch - Princeton tops Lakota West in Skyline Chili Crosstown Showdown
Princeton overcame six turnovers to beat Lakota West in the Skyline Chili Crosstown Showdown in Week 5.
Watch highlights as Batavia tips Bethel-Tate in football
Batavia put on a strong display on both sides of the ball in a 24-20 victory over Bethel-Tate Friday, Sept. 18, 2026.
Falcons Watching Potential 1st-Round QB
The Atlanta Falcons‘ quarterback of the future might not currently be on their roster. That means that the 2026 college football season is crucial. When they scout games, they have to be sure to watch the right passers and pick up on the right things to know which QB in a strong 2027 NFL Draft […] The post Falcons Watching Potential 1st-Round QB appeared first on HEAVY.
Watch Princeton football celebrate GMC win over Lakota West
Princeton football celebrates a Greater Miami Conference win over Lakota West, 27-24, on Friday, Sept. 18, 2026.
How to watch San Francisco Giants vs. Los Angeles Dodgers
Cesar Perdomo vs. Tyler Glasnow
How to live stream Yankees vs Diamondbacks: MLB, TV channel
The New York Yankees head to Chase Field on Friday night to open a three-game series against the Arizona Diamondbacks, with first pitch set for 9:40 PM ET. How to Watch Yankees vs Diamondbacks Gerrit Cole is scheduled to start…
Bilodeau’s Bakery Returns for Palmetto Sports Daily’s Locks of the Week
WATCH: Palmetto Sports Daily crew predicts their “Locks of the Week” for college football games including a cupcake selection and splitting on LSU-Ole Miss.
Watch Lakota West’s Jason Lewis intercept a Princeton pass
Lakota West’s Jason Lewis intercepts a Princeton pass during their Greater Miami Conference game Friday, Sept. 18, 2026.
Watch Lakota West's Roman Combs intercept a Princeton deep ball
Lakota West’s Roman Combs intercepts a Princeton deep ball in their Greater Miami Conference game Friday, Sept. 18, 2026.
The Quantified Scientist tests the Apple Watch Series 12’s heart rate sensor
In a new video, The Quantified Scientist’s Rob ter Horst compares the new Apple Watch Series 12’s heart rate sensor against a Polar H10 ECG chest strap.
What are we watching for against Vanderbilt?
Welcome to Week 3, everyone. 1.) You get one mulligan. CJ Bailey looked like a freshman in the Virginia game, and the team overall was so bad that I have to think that it’s front of mind as they get ready for Vanderbilt—that performance was not just bad, it was embarrassing. State was DOA at […]
WATCH: This science teacher uses comic books to make learning fun
For the past 20 years, the Cimarron Springs Middle School science teacher has used his love of comics to help students get excited about learning.
Watch: Rouse vs. Cedar Ridge football live
Two Raider football programs meet in Week 4 as Cedar Ridge hosts Rouse at Kelly Reeves Athletic Complex for a nondistrict showdown.
Sports Overtime: Week 4 (Friday, Sept. 18, 2026)
Watch highlights and view scores from Week 4 of the 2026 NSAA football season.
Chargers vs. Raiders I preview, prediction and how to watch
Las Vegas Raiders (1-0) AT LA Chargers (0-1)When: Sunday 1:05 pmWhere: SoFi StadiumTV: CBS-2 (Los Angeles), CBS-8 (San Diego), Paramount/NFL+ Radio: Los Angeles: KYSR-FM (98.
Watch: Round Rock vs. Vandegrift football live
Former district foes Round Rock and Vandegrift meet Friday night at Ed W. Monroe Memorial Stadium for a Week 4 clash on KXAN+.
Hands-On With the Apple Watch Series 12
The Apple Watch Series 12 came out today, and we picked one up to get a look at the new feature set. There are no major external changes, but Apple updated the device's internals and health sensors. Subscribe to the MacRumors YouTube channel for more videos. The Apple Watch Series 12 has the same design as the Series 11, but it does come in different colors.
This 1970s-Inspired Automotive Sports Watch Cleverly Reinvents the GMT
Singer Reimagined's latest GMT has 1970s-inspired looks and an advanced in-house dual-time movement with unique functionality.
Watch CNBC's full interview with Oscar Health CEO Mark Bertolini
Mark Bertolini, Oscar Health CEO, joins 'Power Lunch' to discuss plans to expand its individual and small business coverage to 400-600 new counties by 2029.
Apple Watch Series 12 vs. Ultra 4 Buyer's Guide
The Apple Watch Series 12 and Apple Watch Ultra 4 bring new health sensors, a new chip, and more detailed recovery insights to Apple's smartwatch lineup, so how do they compare? Both models feature the S11 chip, 4GB of RAM, 64GB of storage, and the new Health Sensing System, which measures heart rate every five seconds throughout the day.
Where to watch El Clásico de México live?
The time has come to support Guadalajara, Chivahermanos! This Saturday, El Rebaño will visit its fiercest rival in another edition of El Clásico de México, where it will look to make the most of it...
Where to Watch El Clásico de México LIVE
The time has come to support Guadalajara, Chivahermanos! The Rebaño will visit its fiercest rival this Saturday for another edition of El Clásico de México, looking to build on the great form it ha...
WATCH LIVE: Vance speaks at rally in Iowa as competitive midterm races heat up
Trump’s Open Claims That He Directs Super PAC Spending Draw Watchdog Complaint
Federal law bars those holding federal office from directing spending decisions for a political organization with no contribution limits.
Ethan Hawke on 'The Weight' and how kids 'open your heart'
Love movies? Live for TV? USA TODAY's Watch Party newsletter has all the best recommendations, delivered right to your inbox. Sign up now and be one of the cool kids.
3 things to watch in Packers' game at New York Jets
Historically in the NFL, teams that start 0-2 have only made the playoffs 14% of the time.
Global Health Watch: LEN Access Pathways, NIAID Reorganization, Global Fund Report, NIH Lawsuit
This week’s issue covers developments shaping access to HIV prevention and the future of US biomedical research, including new pathways to accelerate access to lenacapavir for HIV PrEP, calls for greater transparency around a proposed NIAID restructuring, and a new lawsuit challenging NIH’s screening of research grants. With today as the final day to comment […]
Screenless Wearables Forecast a Minimalist Health-Tracking Future
Popular alternatives to the Apple Watch, Galaxy Watch, and Pixel Watch are a sign of wearables reaching a new level of maturity and acceptance.