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Results for " Erb " 3,847 found 🔀 AI-powered Shuffle

Lopez strike seals Wolves win in Black Country Derby

Wolves claimed local bragging rights on Sunday as Fer Lopez’s second-half goal secured a 1-0 victory over West Bromwich in the Black Country derby.Wolves dominated the opening stages and could easil...

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Sep 20 • 9:30 AM EDT • Sports • sports.yahoo.com
Entertainment Stars Jeon Won-ju, Go Ji-yong, Han So-hee Spark Controversies

Entertainment Stars Jeon Won-ju, Go Ji-yong, Han So-hee Spark Controversies Weekly roundup includes fee disputes, backlash, custody battle, and verbal misstep

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Sep 20 • 8:38 AM EDT • Entertainment • chosun.com
Tottenham's unexpected Mathys Tel stance revealed after outburst

Football Insider exclusive as Tottenham foward Mathys Tel stares towards manager Roberto De Zerbi, who features in a circular inset.

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Sep 20 • 8:15 AM EDT • Sports • sports.yahoo.com
How Tennessee QB Faizon Brandon assessed his Kennesaw State performance

Tennessee quarterback Faizon Brandon fumbled against Kennesaw State, but still hasn't thrown an interception in his first three career starts.

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Sep 20 • 8:08 AM EDT • Sports • sports.yahoo.com
Famitsu review scores - September 20, 2026 - Fire Emblem: Fortune's Weave, more

The latest Famitsu review scores for the week of September 20, 2026 are as follows: Fire Emblem: Fortune’s Weave – 9/9/9/9 Marvel’s Wolverine – 9/9/9/9 Silent Hill: Townfall – 8/8/9/8 Derby Stallion 2 – 8/8/8/8 Sullyland Nursery Rhyme – 8/8/8/8 Gobble – 7/7/7/7 Patlabor the Case Files – 7/7/7/6 Solarpunk – 7/7/6/6 Note that for each review, four editors gave...

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Sep 20 • 8:00 AM EDT • Technology • nintendoeverything.com
Steelers vs Patriots live updates: TV info, live stream, odds for Week 2 game

Pittsburgh stole a 21-14 victory against the Patriots a year ago by generating five turnovers against quarterback Drake Maye and Co.

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Sep 20 • 6:00 AM EDT • Sports • sports.yahoo.com
Team’s Up – McInnes names unchanged XI to face Celtic

Derek McInnes has named his Rangers side for this afternoon’s Glasgow Derby against Celtic. McInnes has named an unchanged side from last weekend as he visits Celtic Park for the first time since hi...

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Sep 20 • 6:00 AM EDT • Sports • sports.yahoo.com
Under pressure, Tottenham boss lays into his team

The atmosphere at Tottenham grew even heavier after Saturday’s 3-2 defeat to Aston Villa (19). Under serious risk of being sacked, coach Roberto De Zerbi laid bare the crisis by harshly criticizing ...

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Sep 20 • 5:27 AM EDT • Sports • sports.yahoo.com
Bundesliga Sunday on OneFootball, plus loads of Brasileirão: fixtures 📲

Today's Highlights 🔥Bundesliga (German Championship)10:30 – Bayer Leverkusen vs RB Leipzig – OneFootball PPV12:30 – Schalke 04 vs Elversberg – OneFootball PPV14:30 – Paderborn vs Hoffenhe...

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Sep 20 • 4:58 AM EDT • Sports • sports.yahoo.com
🗞️ Front pages: King Raphinha reigns on derby Sunday

Sunday’s front pages are split between an immeasurable Brazilian and an elite derby.Raphinha scored a hat-trick in Seville, taking his tally to twelve goals in seven matchdays, and Barça head into ...

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Sep 20 • 2:16 AM EDT • Sports • sports.yahoo.com
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Daizen Maeda to thank Celtic supporters ahead of kick-off

Daizen Maeda will be at the game today to thank the Celtic supporters and say a proper farewell before the Glasgow Derby kicks off…Daizen Maeda of Celtic scores the third goal via bicycle kick durin...

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Sep 20 • 1:00 AM EDT • Sports • sports.yahoo.com
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 .

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Sep 19 • 9:59 PM EDT • Sports • sports.yahoo.com
Carson Wentz Receives Harsh Ranking Among NFL Backup Quarterbacks

Despite a stellar three-touchdown debut, analysts remain skeptical of Minnesota's new signal-caller. Discover why critics view the former starter as a mediocre backup ahead of Sunday's showdown.

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Sep 19 • 9:12 PM EDT • Sports • sports.yahoo.com
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Columbia football continues hot start with overwhelming win against Amsterdam

The Blue Devils got four touchdown passes and 301 yards through the air from senior quarterback Tyler Connolly in a 42-8 victory over Amsterdam.

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Sep 19 • 8:23 PM EDT • Sports • sports.yahoo.com
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.

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Sep 19 • 6:53 PM EDT • Sports • sports.yahoo.com
Vanderbilt stuns N.C. State with fumble recovery, improbable 35-31 win

N.C. State quarterback CJ Bailey was trying to run out the clock in the end zone and fumbled as he was tackled.

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Sep 19 • 6:05 PM EDT • Sports • spectrumlocalnews.com
Carrick has faith in VAR despite derby error

Manchester United head coach Michael Carrick still has faith in VAR despite the derby blunder that cost his side in their home defeat by Manchester City

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Sep 19 • 5:31 PM EDT • Sports • sports.yahoo.com
NFL Fines 2 Packers Players For Actions Against Vikings

League officials issued financial penalties following a physical divisional clash, targeting a late hit on a backup quarterback while clearing the controversial tackle that sidelined Minnesota’s starter.

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Sep 19 • 5:25 PM EDT • Sports • sports.yahoo.com
Xavier Worthy Explains Miscue With Patrick Mahomes vs. Broncos

Overall, the Kansas City Chiefs had a good showing on offense in Week 1 against the Denver Broncos. The rushing attack was the best we have seen from the Chiefs in several years, led by Kenneth Walker III. However, the passing game left a little to be desired. Quarterback Patrick Mahomes started the game completing […] The post Xavier Worthy Explains Miscue With Patrick Mahomes vs. Broncos appeared first on HEAVY.

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Sep 19 • 5:23 PM EDT • Sports • sports.yahoo.com
What is Dave Doeren’s buyout as NC State football coach

Following N.C. State football's stunning loss at Vanderbilt, here's contract info on coach Dave Doeren, including his buyout.

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Sep 19 • 5:09 PM EDT • Sports • sports.yahoo.com
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Vikings' Dallas Turner on Bears' Caleb Williams: 'hardest to tackle'

Dallas Turner was honest in his evaluation of Bears quarterback Caleb Williams.

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Sep 19 • 4:55 PM EDT • Sports • sports.yahoo.com
EWU Coach Praises Washington Football Star QB's Dual-Threat Ability

Eastern Washington football coach Aaron Best admitted this week when it comes to containing quarterback Demond Williams Jr., there isn't a plan.

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Sep 19 • 4:00 PM EDT • Sports • sports.yahoo.com
San Siro 100: the special

19 September 1926 to 19 September 2026. One hundred years of San Siro, one hundred years of history that have impacted both the city of Milano and world football. Inaugurated by a 6-3 derby win for In...

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Sep 19 • 3:33 PM EDT • Sports • sports.yahoo.com
Chivu: “A second half of grit, courage and personality”

A comeback draw, secured thanks to a superb second-half performance from Inter, who recovered from two goals down against home side Roma. The game at the Olimpico showcased great quality, but above al...

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Sep 19 • 3:18 PM EDT • Sports • sports.yahoo.com
Lowly Peterborough sack manager Williams

Peterborough United sack manager Luke Williams after Saturday's defeat at home by Doncaster leaves them second from bottom in League One.

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Sep 19 • 1:50 PM EDT • Sports • sports.yahoo.com
Eustace claims Derby deserved to beat Burnley

Derby County manager John Eustace speaks to BBC Radio Derby after Mo Fuseini scored a stoppage-time equaliser in their 1-1 draw with Burnley at Turf Moor

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Sep 19 • 1:24 PM EDT • Sports • sports.yahoo.com
Chargers Keys to Victory Against Raiders in Week 2

The Chargers have three clear keys to beating the Raiders: keep Justin Herbert upright, limit Brock Bowers if he’s able to play and avoid costly turnovers. After the Week 1 loss to Arizona, Los Angeles needs to play a cleaner, more consistent game.

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Sep 19 • 1:24 PM EDT • Sports • sports.yahoo.com
Roberto De Zerbi Takes Responsibility After Aston Villa Defeat

Roberto De Zerbi took responsibility for Tottenham Hotspur’s 3-2 loss to Aston Villa, but he also raised concerns about his team’s defending, fitness, and leadership in a frank post-match press conference.

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Sep 19 • 1:00 PM EDT • Sports • sports.yahoo.com
Baku, Decisive for Williams: Its Upgrade Must Validate the Future

The British team introduces the long awaited FW48 upgrade package in Azerbaijan. More than scoring points, the update must prove that the new processes and tools work and that the path toward the 2027 FW50 is the right one.

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Sep 19 • 1:00 PM EDT • Sports • sports.yahoo.com
Wanted: An Associate Attorney (5+ Years) and a Paralegal (10+ Years). Want to Put Us Out of Business? Come Help Us Try.

We need a lawyer who can find the defendant and a paralegal who can find the one page that matters. Marler Clark has been suing the companies that poison

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Sep 19 • 12:44 PM EDT • Business • marlerblog.com
Michigan Expected to Host Top-100 Quarterback for UTEP Game

Michigan is expected to host Top-100 2028 quarterback Carter Zingelmann during Saturday's matchup against UTEP.

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Sep 19 • 12:14 PM EDT • Sports • sports.yahoo.com
Inside Vanderbilt football vs NC State, Jared Curtis' first start

Here are our best Vanderbilt football vs NC State photos from Saturday, Sept. 19.

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Sep 19 • 12:02 PM EDT • Sports • sports.yahoo.com
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Automated floor scrubber purchased for DNMS

At its Sept. 14 meeting, the USD 260 board of education approved the purchase of an automated floor scrubber for Derby North Middle School, as outlined in the 2026-2027 capital

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Sep 19 • 11:23 AM EDT • Business • derbyinformer.com
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Tottenham 2-3 Aston Villa: What De Zerbi said

Second goal, we have the offside decision [disallowing Spurs' goal] but the focus had to be better. This is Spurs' worst start to a Premier League season after five games, with two points and a goal difference of -6, eclipsing their 2008-09 start (2 points, -3 goal difference).

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Sep 19 • 11:08 AM EDT • Sports • sports.yahoo.com
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Andy Kotelnicki Message to His Quarterback

Andy Kotelnicki Message to His Quarterback

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Sep 19 • 11:06 AM EDT • Sports • sports.yahoo.com
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Steelers CB Joey Porter Jr. ruled out vs. Patriots

Per the Pittsburgh Steelers’ Friday injury report, cornerback Joey Porter Jr. (NIR/conditioning/back) is out for Sunday’s matchup with the New England Patriots.

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Sep 19 • 10:26 AM EDT • Sports • sports.yahoo.com
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!

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Sep 19 • 10:05 AM EDT • Technology • erictopol.substack.com
Browns Predicted to Shelve Deshaun Watson Mid-Game Against Buccaneers

The Cleveland Browns are expected to essentially end their relationship with quarterback Deshaun Watson during Week 2. The post Browns Predicted to Shelve Deshaun Watson Mid-Game Against Buccaneers appeared first on HEAVY.

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Sep 19 • 9:15 AM EDT • Sports • sports.yahoo.com
Kirk Herbstreit Said He Doesn't 'Get Into Politics', His 2016 Tweet Tells Different Story

Here we go...

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Sep 19 • 9:01 AM EDT • Politics • mercedsunstar.com
Kirk Herbstreit Said He Doesn't 'Get Into Politics', His 2016 Tweet Tells Different Story

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Sep 19 • 9:01 AM EDT • Politics • newsobserver.com
Kirk Herbstreit Said He Doesn't 'Get Into Politics', His 2016 Tweet Tells Different Story

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Sep 19 • 9:01 AM EDT • Politics • sanluisobispo.com
Kirk Herbstreit Said He Doesn't 'Get Into Politics', His 2016 Tweet Tells Different Story

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Sep 19 • 9:01 AM EDT • Politics • bradenton.com
Kirk Herbstreit Said He Doesn't 'Get Into Politics', His 2016 Tweet Tells Different Story

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Sep 19 • 9:01 AM EDT • Politics • theolympian.com
Kirk Herbstreit Said He Doesn't 'Get Into Politics', His 2016 Tweet Tells Different Story

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Sep 19 • 9:01 AM EDT • Politics • tri-cityherald.com
Atlético Madrid Vs Real Madrid, Expected Lineups and Team News

The highly anticipated Madrid derby kicks off Sunday at 4:15 PM CEST, featuring Atlético Madrid against Real Madrid in a crucial La Liga fixture.

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Sep 19 • 8:59 AM EDT • Sports • sports.yahoo.com
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.

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Sep 19 • 8:37 AM EDT • Sports • sports.yahoo.com
😐 Neutral (0%)
wow
100%
Giants just lost a cornerback at the worst possible time

The Giants put Paulson Adebo on injured reserve, and he will miss at least four games. Losing him is tough […]

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Sep 19 • 8:28 AM EDT • Sports • sports.yahoo.com
☹️ Negative (-50%)
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50%
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50%
Assessing Atletico’s numbers ahead of the Derby

Álex Baena – a key threat

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Sep 19 • 8:00 AM EDT • Sports • sports.yahoo.com
NFL Week 2 fantasy quarterback rankings: Top QB streamers, starts

Dak Prescott is among the best quarterback options for fantasy football in NFL Week 2.

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Sep 19 • 6:41 AM EDT • Sports • sports.yahoo.com
Simeone ahead of Atleti-Real Madrid: Julián could start...

Diego Pablo Simeone has spoken at a press conference ahead of Atlético de Madrid vs Real Madrid. The runs heading into the derby"We're used to the previous match not being linked to the city's clási...

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Sep 19 • 6:16 AM EDT • Sports • sports.yahoo.com
Real Madrid’s final training session before the derby: three absentees

Real Madrid trained in Valdebebas this Saturday in their final preparation session before Atlético de Madrid vs Real Madrid. Real Madrid completed their final training session in Valdebebas before th...

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Sep 19 • 5:39 AM EDT • Sports • sports.yahoo.com
Juventus v Atalanta match preview and prediction

Juventus take on Atalanta in their next league game, days after enjoying a superb 5 0 win against NEC in the Europa League. The upcoming fixture is expected to provide a much tougher test for the Bian...

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Sep 19 • 4:00 AM EDT • Sports • sports.yahoo.com
Out of the Darkness, Into the Light

These words are emblazoned on the inside of the tunnel at the Stadium of Light, and have never reverberated more than now.

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Sep 19 • 1:48 AM EDT • Sports • sports.yahoo.com
🙂 Positive (40%)
Frustration grows as Houthis widen Middle East conflict with US unwilling to intervene

Dramatic recent advances by the Iran-backed Houthis, including the seizure of a strategically important island in the Red Sea, have dealt another blow to a region reeling from the US war with Iran and exacerbated an already severe global energy crisis. But neither the US nor its key ally Saudi Arabia has a clear plan to beat back the group, multiple sources told CNN, leading many in the region to ask where the counteroffensive will come from.

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Sep 19 • 12:00 AM EDT • Politics • cnn.com
Jays Lose To Rangers

Blue Jays 1 Rangers 7 There is an ancient Chinese proverb about how it is hard to win a game if you only score one run. The unfortunate thing is that they beat the horse (by horse, I mean pitching staff) hard in August to get us back in the race. There is only so […]

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Sep 18 • 11:55 PM EDT • Sports • sports.yahoo.com
Bills Under Fire for Josh Allen Decision Before Lions Win

The Buffalo Bills are taking heat for not including quarterback Josh Allen on the injury report while he suffered flu-like symptoms. The post Bills Under Fire for Josh Allen Decision Before Lions Win appeared first on HEAVY.

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Sep 18 • 11:54 PM EDT • Sports • sports.yahoo.com
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.

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Sep 18 • 10:24 PM EDT • Sports • sports.yahoo.com
Kirk Herbstreit Trashed For 'Cowardly' Stance On Ted Cruz, American Politics

Fans aren't holding back.

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Sep 18 • 10:00 PM EDT • Politics • modbee.com
Kirk Herbstreit Trashed For 'Cowardly' Stance On Ted Cruz, American Politics

Fans aren't holding back.

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Sep 18 • 10:00 PM EDT • Politics • idahostatesman.com
Kirk Herbstreit Trashed For 'Cowardly' Stance On Ted Cruz, American Politics

Fans aren't holding back.

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Sep 18 • 10:00 PM EDT • Politics • sacbee.com
Kirk Herbstreit Trashed For 'Cowardly' Stance On Ted Cruz, American Politics

Fans aren't holding back.

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Sep 18 • 10:00 PM EDT • Politics • miamiherald.com
Kirk Herbstreit Trashed For 'Cowardly' Stance On Ted Cruz, American Politics

Fans aren't holding back.

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Sep 18 • 10:00 PM EDT • Politics • bnd.com
Kirk Herbstreit Trashed For 'Cowardly' Stance On Ted Cruz, American Politics

Fans aren't holding back.

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Sep 18 • 10:00 PM EDT • Politics • islandpacket.com
Kirk Herbstreit Trashed For 'Cowardly' Stance On Ted Cruz, American Politics

Fans aren't holding back.

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Sep 18 • 10:00 PM EDT • Politics • charlotteobserver.com
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 […]

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Sep 18 • 6:32 PM EDT • Sports • sports.yahoo.com
☹️ Negative (-20%)
love
100%
Brentford 3-0 Chelsea: What Andrews and Schuster said

Brentford have played seven Premier League games on a Friday and won six of them, conceding just one goal in the process. Brentford have won three of their last four London derbies in the Premier League, as many as their previous 21 beforehand.

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Sep 18 • 6:06 PM EDT • Sports • sports.yahoo.com
Bears' Caleb Williams faces biggest challenge yet in Vikings showdown

Chicago Bears quarterback Caleb Williams is off to a strong start for the 2026-27 season, but he's coming up against his biggest challenge so far with the Minnesota game.

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Sep 18 • 5:51 PM EDT • Sports • sports.yahoo.com
De Zerbi insists Tonali is a ‘complete midfielder’

Roberto De Zerbi insisted that Sandro Tonali is “a complete midfielder”, despite the Italian struggling to make an impact for Spurs so far.The Italian joined Spurs for £92.5 million plus add-ons ...

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Sep 18 • 5:30 PM EDT • Sports • sports.yahoo.com
😐 Neutral (10%)
Support from longtime Vanderbilt Health donor Herbert Christopher provides open access to new textbook co-created by otolaryngologist David Haynes

The 2026 edition of“Haynes-Glasscock-Shambaugh Surgery of the Ear,” a textbook co-created by a Vanderbilt Health surgeon, has been made open access.

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Sep 18 • 5:08 PM EDT • Health • news.vumc.org
Yahoo Analyst Says Cornerback Is the Lions’ Real Problem

Yahoo Sports says cornerback, not safety, is the Lions' biggest defensive problem after Buffalo. #Lions

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Sep 18 • 5:00 PM EDT • Sports • sports.yahoo.com
Score Entertainment officials project fall opening for Deerbrook Mall location

Score Entertainment officials project a fall opening for a new 155,000-square-foot entertainment venue in the former Sears space at Deerbrook Mall in Humble.

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Sep 18 • 4:55 PM EDT • Entertainment • communityimpact.com
Heavy caffeine users and deeper sleep; wonders of microscopic life; preparing for life after an Alzheimer’s diagnosis; plus other stories with Vanderbilt Health sources

Beth Malow, MD, Professor of Neurology and Pediatrics in the Vanderbilt Sleep Division, was quoted in Women’s Health about a surprising study from the Journal of Psychopharmacology indicating that heavy caffeine users get deeper non-rapid-eye-movement sleep, even while sleeping less time. The New York Times quoted Dylan Burnette, PhD, Associate Professor of Cell and Developmental Biology, in a story (with videos) about the wonders of the microscopic life all around us. William Schaffner, MD, Professor of Preventive Medicine, was quoted by several news outlets about public health issues, including: Prevention (rabies vaccinations); Healthline (update on the Cyclospora outbreak); Prevention again (hundreds now sickened in measles outbreak); and AARP (“How do we know vaccines are safe?” video interview and transcript). Science posted a story about a new NIH research center on vaccine harms. The piece quotes Kathryn Edwards, MD, Professor of Pediatrics, Emerita. Lealani Mae Acosta, MD, MPH, Associate Professor of Neurology, was quoted in an Everyday Health story about how a person, after a diagnosis of Alzheimer’s disease, can enrich their life and prepare for the future. Amalia Peterson, MD, Assistant Professor of Neurology, was quoted by Everyday Health in a piece about common medications linked to lower dementia risk.

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Sep 18 • 4:38 PM EDT • Health • news.vumc.org
What To Expect At Meta Connect 2026: New AI Glasses, A Mixed Reality Headset And More

There's a lot for Mark Zuckerberg to cover at this year's keynote.

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Sep 18 • 4:35 PM EDT • Technology • engadget.com
Texas Secures $7.5 Billion Border Security Reimbursement

Texas is set to receive $7.5 billion from the federal government to reimburse the state for border security expenditures, Gov. Greg Abbott announced, marking one of the largest federal reimbursements associated with the state’s Operation Lone Star initiative.

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Sep 18 • 4:30 PM EDT • Business • texasborderbusiness.com
Amazon and Wiwynn Expand Texas Manufacturing to Socorro Texas

Amazon and Wiwynn are expanding advanced manufacturing operations in Socorro, near El Paso, with plans to create nearly 1,000 new jobs by the end of 2027 and increase domestic production of hardware used in Amazon’s data center infrastructure.

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Sep 18 • 3:43 PM EDT • Business • texasborderbusiness.com
Deep dive
😐 Neutral (10%)
wow
75%
love
25%
Patriots Could Be Without Key Starter vs. Steelers

New England Patriots head coach Mike Vrabel revealed on Friday that cornerback Carlton Davis (neck) will be questionable ahead of […]

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Sep 18 • 3:36 PM EDT • Sports • sports.yahoo.com
Lions Should Bench Rock Ya-Sin for Ennis Rakestraw

Rock Ya-Sin's struggles have Detroit's cornerback job in question, and his replacement is already on the roster. #Lions

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Sep 18 • 3:20 PM EDT • Sports • sports.yahoo.com
Vikings Name Starting QB For Week 2 vs. Bears With Kyler Murray Injured

The Minnesota Vikings are starting Carson Wentz at quarterback in Week 2 with Kyler Murray still recovering from a concussion.

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Sep 18 • 3:14 PM EDT • Sports • foxsports.com
MN Vikings Make Week 2 Quarterback Decision

The Minnesota Vikings have ruled starting quarterback Kyler Murray out for Week 2 and Carson Wentz will go in his place.

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Sep 18 • 3:13 PM EDT • Sports • sports.yahoo.com
Tottenham v Aston Villa: Key stats and talking points

Tottenham and Aston Villa have scored just one league goal between them so far, with both clubs making poor starts to the season. BBC Sport takes a look at the key themes before the game on Saturday (12:30 BST). In the wake of their Carabao Cup exit to Liverpool, Tottenham boss Roberto de Zerbi said his side have to find "La Scintilla" (the spark) to kick-start their season and finally score some goals.

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Sep 18 • 3:10 PM EDT • Sports • sports.yahoo.com
Vinicius Junior under pressure to deliver ahead of Madrid derby

Real Madrid will be looking to keep pace with Barcelona at the top of the La Liga standings when they face rivals Atletico Madrid at the Metropolitano Stadium on Sunday.Madrid trail Barcelona with thr...

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Sep 18 • 2:35 PM EDT • Sports • sports.yahoo.com
😐 Neutral (0%)
wow
100%
Where Aaron Philo lands in CBS Sports' latest quarterback rankings

Through two weeks of college football, Florida's Aaron Philo has risen three spots in CBS Sports' latest quarterback rankings.

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Sep 18 • 2:26 PM EDT • Sports • sports.yahoo.com
🙂 Positive (50%)
BCIC Announces Four New eBridge Business Academy Cohorts Through 2027

- The Brownsville Community Improvement Corporation (BCIC) has opened applications for four upcoming eBridge Business Academy cohorts beginning Oct. 7. The no-cost entrepreneurship program is sponsored by BCIC, facilitated by the UTRGV Entrepreneurship and Commercialization Center (ECC), and held in person at the eBridge Center for Business and Commercialization in downtown Brownsville.

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Sep 18 • 2:19 PM EDT • Business • texasborderbusiness.com
Brentford vs Chelsea: Confirmed Starting XIs for Premier League Clash

The team news for the west London derby between Brentford and Chelsea in the Premier League is in.

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Sep 18 • 1:54 PM EDT • Sports • sports.yahoo.com
Gimme Him: Underrated Steelers LB could spark Patriots pass-rush

The Patriots could benefit from the play of Steelers edge rusher Nick Herbig.

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Sep 18 • 1:53 PM EDT • Sports • sports.yahoo.com
Falcons Roundtable: Can Atlanta Overcome Its Quarterback Crisis Against Panthers?

The Atlanta Falcons face the Carolina Panthers in Week 2 with major quarterback concerns after their loss to the Steelers. Our Falcons Roundtable breaks down Cooper Rush, Tua Tagovailoa's injury, Kevin Stefanski's challenges and score predictions for the NFC South matchup.

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Sep 18 • 1:42 PM EDT • Sports • sports.yahoo.com
Zelenskyy welcomes leaders from 7 countries for a regional summit

KYIV, Ukraine (AP) — Ukrainian President Volodymyr Zelenskyy hosted leaders and representatives from seven regional countries for talks on deepening cooperation on Friday, as overnight Russian strikes in multiple regions sparked fires and caused several deaths and injuries. The inaugural summit of the so-called “Carpathian Eight” brings together Ukraine, Romania, Serbia, Poland, Slovakia, the Czech […]

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Sep 18 • 12:59 PM EDT • Politics • coloradopolitics.com
Build columns, not Trump’s arch, D.C. official tells administration

Local officials, preservationists and historians are pushing to scale back Trump's planned arch, advocating the slender columns originally envisioned by architects and lawmakers a century ago.

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Sep 18 • 11:58 AM EDT • Politics • washingtonpost.com
​UM’s Erb Institute lands $4.9M gift to widen access to sustainability degrees​

The Fred & Barbara Erb Family Foundation has made a $4.9 million grant to the Erb Institute at the University of Michigan to spur sustainability graduates.

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Sep 18 • 11:55 AM EDT • Business • crainsdetroit.com
De Zerbi on trio's availability, 'staying calm' and Aston Villa

Spurs boss Roberto de Zerbi has been speaking to the media before Saturday's Premier League game against Aston Villa at Tottenham Hotspur Stadium (kick-off 12:30 BST). Pedro Porro, Sandro Tonali and James Maddison are "all available to play" this weekend.

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Sep 18 • 10:57 AM EDT • Sports • sports.yahoo.com
Blues boss Davies still has every faith in Vazquez

Birmingham City boss Chris Davies still has faith in striker Luis Vazquez after his glaring miss in last week's win at Derby County.

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Sep 18 • 10:56 AM EDT • Sports • sports.yahoo.com
Syracuse football: it’s time for a quarterback change

The one benefit of an early bye is making this adjusment easier

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Sep 18 • 10:00 AM EDT • Sports • sports.yahoo.com
Posh teenager Shofowoke aiming for Premier League

Peterborough United's 17-year-old striker Bolu Shofowoke says he is fully focused on the Posh after links with a host of top-flight clubs.

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Sep 18 • 8:50 AM EDT • Sports • sports.yahoo.com
Clemson QB Tait Reynolds Fires off Strong Message to Team

Clemson Tigers quarterback Tait Reynolds has sent a strong message to his team before his first start.

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Sep 18 • 7:00 AM EDT • Sports • sports.yahoo.com
Gabriel to miss Man Utd's PL2 game

JJ Gabriel will not be involved in Manchester United's Premier League 2 encounter with Brentford at Leigh Sports Village on Friday evening. The 15-year-old has scored in both of United's matches in the competition this season. It was those goals that fuelled a belief Gabriel would be involved in United's opening Champions League game against Azerbaijan champions Sabah.

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Sep 18 • 5:34 AM EDT • Sports • sports.yahoo.com
Celtic fans fear derby 'nightmare' after 'appalling' Euro defeat

Must focus on the weekend, Celtic can't lose three games in a week, twice to the Rangers! Alistair Johnston, Jota and Yang back will be soon, Celtic need to hang in there. A win against Rangers on Sunday and all is forgotten.

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Sep 18 • 4:42 AM EDT • Sports • sports.yahoo.com
Eagles news: Jordan Mailata dismisses Jeffery Simmons' Jalen Hurts slander

The Philadelphia Eagles are gearing up for their clash against the Tennessee Titans at Nissan Stadium on Sunday. The Eagles are coming off a narrow escape against the Washington Commanders , 24-22, in Week 1. Philadelphia quarterback Jalen Hurts dusted off a sluggish start and made big plays in the fourth quarter to complete the hard-earned win. […] The post Eagles news: Jordan Mailata dismisses Jeffery Simmons' Jalen Hurts slander appeared first on ClutchPoints.

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Sep 18 • 2:55 AM EDT • Sports • sports.yahoo.com
How does De Zerbi fix Spurs' scoring troubles?

Roberto De Zerbi's Tottenham are yet to score a Premier League goal this season, how do they fix that?

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Sep 18 • 1:16 AM EDT • Sports • sports.yahoo.com
😐 Neutral (0%)
Bills QB Josh Allen Shares Personal News Before Lions Game

Buffalo Bills quarterback Josh Allen revealed his new motivation in life. The post Bills QB Josh Allen Shares Personal News Before Lions Game appeared first on HEAVY.

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Sep 17 • 10:39 PM EDT • Sports • sports.yahoo.com
Commanders sign veteran cornerback, release second-year defensive tackle

The Commanders made a move at cornerback ahead of Sunday's game against the Cowboys.

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Sep 17 • 10:19 PM EDT • Sports • sports.yahoo.com
😐 Neutral (0%)