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Haoye Qin: Turning disorder into an advantage in nanophotonics
A 2026 Nanophotonics Early Career Awardee, Qin is harnessing topology and engineered disorder to develop compact optical technologies.
Strain-reduced battery electrode design accommodates multiple ions
Avoiding lattice distortion in multivalent batteries enables the harmonious storage of both calcium and magnesium ions.
Roy Zektzer: Simple, scalable quantum technologies
Bringing quantum technologies from the lab onto the chip, Roy Zektzer aims to make quantum research more accessible.
The science on trans athletes is inconclusive. Cricket’s prejudice isn’t
Cricket Australia cleared Anaya Bangar to play elite women’s cricket. The ICC’s ban on trans athletes says the science is settled. It isn’t.
Proteus Labs Partners with Avantis Education to Add Mixed Reality Science Experiments to ClassVR Xcelerate
Avantis Education has added Proteus Labs’ virtual science labs to ClassVR Xcelerate and its EduverseSTEM education platform | XR News from Auganix.com
From Malaysia to the world: A pioneering science communicator reimagines global science communication for a digital age
y 2024, I was exhausted. For more than a decade, I had carried The Petri Dish through the realities of running a niche science publication in Malaysia.
Scientists want these 5 'maxxing' trends dead
The “-maxxing” trend promises that extreme optimization of your sleep, appearances, fitness, diet, or wellness routine will somehow unlock a better version of you. But when health advice becomes a competition to optimize every single thing, real science often gets lost. Our scientists break down the -maxxing trends they really want you to stop—and what the evidence actually says.
Arctic Melt Season Length Levels Off
While the sea ice melt season has lengthened dramatically in most of the satellite era, the trend unexpectedly stabilized around 2010.
The Vivid Dreams Stage of REM Sleep Is Linked With a Lower Risk of 83 Diseases
Sleep type matters.
Science Snapshots: September 20, 2026
Explore groundbreaking discoveries on North Korea's nuclear impact, amoebic evolution, and the health benefits of regular exercise.
'Japan' factor draws Turkish students to new science college in Ankara
Hopes of employment, internships, study in Asian country lure future engineers
Filipina Physician-Scientist Named National Finalist for 2026 ASEAN–U.S. Science Prize for Women
Dr. Venus Oliva Cloma-Rosales, Founder of 101 Health Research, has been named the Philippine National Finalist in the Mid-Career category of the 2026 UL Research Institutes ASEAN–U.S. Science Prize for Women. Her work uses artificial intelligence and health data science to support inclusive, resilient healthcare and evidence-based decision-making in the Philippines and Southeast Asia. MANILA, […]
Letter: Science fiction becomes climate change reality
From John Barnie, Aberystwyth, Ceredigion, Wales, UK
Stanford scientists discover the human brain may actually be two separate organs
Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient nervous systems with very different jobs. The discovery also allowed researchers to grow human hindbrain neurons in the lab, opening new possibilities for studying ALS, spinal muscular atrophy, and other brainstem diseases.
NSF Over Billion Behind on Grants; IES Says Will Give Funds
As the fiscal year’s end looms Sept. 30, the National Science Foundation has awarded significantly fewer grants than usual, and a judge has ordered an update from the Institute of Education Sciences on its research funding progress.
Do Pimple Patches Actually Work? Here’s What The Science Says
Pimple patches are commonly reached for to treat an angry-looking spot. But do they work? You’re standing in the skincare […]
A film thinner than a human hair blocks electromagnetic waves—and hides heat!
CHANGWON, South Korea — A research team led by Dr. Taehoon Kim of the Composites & Convergence Materials Research Division at the Korea Institute of Materials Science (KIMS), headed by President Chul-jin Choi, has collaborated with research teams led by Dr. Seon Joon Kim and Dr. Jaewoo Kim of the Korea Institute of Science and Technology (KIST) to develop an ultrathin composite film that combines electromagnetic interference (EMI) shielding, infrared (IR) stealth, and high mechanical strength. The researchers achieved these multifunctional properties by combining carbon nanotube (CNT) fibers and MXene in a structure resembling “bricks and mortar.” The technology is expected to protect military systems and aerospace electronics while also reducing electromagnetic interference in 5G/6G communication devices and wearable electronics.
Global science literacy body makes debut in Beijing
A new international science organization made its debut on Sunday at the opening ceremony of the 2026 World Conference on Science Literacy in Beijing.
'Rusty Treasure' in Austria Revealed as Europe's Largest Cache of Iron Age Iron Bars
500 swords' worth.
Europe Makes The Science, China Makes The Batteries, But Who Builds The Future?
One in eight electric cars charging in Europe already carries a Chinese badge, while many European brands still rely on Chinese-made batteries. The challenge
Science 4 Everyone: Why is the sky blue?
Storm Team4 Meteorologist Ryan Miller answers an age-old question: Why is the sky blue?
Science 4 Everyone: Why is the sky blue?
Storm Team4 Meteorologist Ryan Miller answers an age-old question: Why is the sky blue?
Nuggets preseason begs for mad science from David Adelman
The Nuggets don't know what they have behind their top eight in the rotation. The preseason is the place to experiment for David Adelman.
City Arts and Sciences Academy receives $250,000 grant
LYNN — The school year at City Arts and Sciences Academy is off to an auspicious start, with news that the school has been awarded a $250,000 grant from the… Related posts: ‘The American Dream’ explores the pursuit of justice with DA Paul Tucker LEAP of faith Lynn Community Health Fellowship graduates 70 Role reversal
Farm Office Live from Farm Science Review
COLUMBUS, Ohio — The Ohio State University Extension Farm Office Team invites producers to join us as we kick off the fall Farm Office Live...
Why politicians should pay more attention to the polls (reprise)
Welcome to the 231st edition of The Week in Polls (TWIP), a polling newsletter that always welcomes new readers. So please don’t keep TWIP a secret; share it with your friends and colleagues: Share The Week in Polls With all the stories swirling around Reform, JL Partners and political polling, I am finally tearing myself away from talking about the regulation of polling this week - and instead re-running a previous piece reminding us why the solution to problems with polls isn’t simply to ban or ignore them. Rather, we need them to play a vital role in making our politics - and politicians - better. This is followed by summaries of the latest national voting intention polls, seat projections from MRPs and the most recent party leader ratings. Subscribers who pay for the full edition can also read ten insights from the latest polls and analyses, including: A trio of organisations and a pair of professors have been casting their eyes over the Liberal Democrats ahead of the party’s autumn conference; What impact did the summer heatwave have on views on climate change? and Which wins out between chocolate and cheese? If you are not yet a paid subscriber, you can read all ten by starting a free trial now: Get FREE 7-day trial For more polling news as it comes in ahead of next week’s edition, you can also follow The Week in Polls on Bluesky. Picking up on my doubt last week about whether or not 35% of British train travellers have tried to order a takeaway for delivery to a railway station or carriage, thank you to reader Iain, who has been in touch to say he has done just that… in India. Another quick pair of updates, this time on the controversies around Reform and polling. Politico has a further scoop - “Farage aide caught in donor sting attended Egypt retreat with JL Partners” - and Ian Dunt has written about the problems with polling too: “Seeing the response of many polling experts in the last few weeks suggests that they are nervous about what is happening and keen to mitigate against it. Seeing the response of journalists, which has been basically non-existent, suggests the precise opposite.” My usual reminder as well: please do hit reply if you’ve spotted a poll, focus group or new piece of poll-based research that you think should be in contention for coverage in a future edition. Thank you! And with that, on with the show. How politicians get public opinion wrong I have written before about the benefits that come from widespread availability of high-quality political polling. We need more polls and more good coverage of polls. However, what I’ve not dug into before is the research into how accurately politicians estimate public opinion on issues. Thankfully we have academic research to tell us. First, the bad news: We present results from a study of 866 politicians in four countries.1 Politicians were asked to estimate the percentage of public support for various policy proposals. Comparing more than 10,000 estimations with actual levels of public support, we conclude that politicians are quite inaccurate estimators of people’s preferences. They make large errors and even regularly misperceive what a majority of the voters wants. Politicians are hardly better at estimating public preferences than ordinary citizens. Walgrave, S., Jansen, A., Sevenans, J., Soontjens, K., Pilet, J.B., Brack, N., Varone, F., Helfer, L., Vliegenthart, R., van der Meer, T., Breunig, C., Bailer, S., Sheffer, L. & Loewen, P.J. (2023a), “Inaccurate Politicians: Elected Representatives’ Estimations of Public Opinion in Four Countries”, The Journal of Politics, 85(1): 209-222. The bad news is not quite as bad as that makes it sound because, when asked whether the majority of public opinion was for or against various policies, politicians picked the wrong option ‘only’ 29% of the time. However, this included getting it wrong even when public opinion is far from evenly split on an issue: They do not only get it wrong when the public is divided and hard to read (e.g., when there is a 51%:49% distribution). Seventy percent of the misplacements occur for policies with a relatively clear distribution of at least 60% (dis)agreeing citizens. Moreover, the public scored only slightly worse than politicians, picking the wrong option 2.7 out of 8 times on average, compared with 2.3 times for politicians. Turning to the other measure of accuracy (not which side is in the lead but what the percentage support is for each side), politicians on average were 18 percentage points out in their guesses. Again, this was only slightly better than the public, whose error came in at 21 percentage points.2 Further research, using the same mix of countries, gives a little more comfort about how (in)accurate perceptions are: We show that politicians have a better understanding of public opinion when they think the issue matters to voters. Further, when an issue is personally important to politicians they more accurately estimate their party supporters’ opinions. The results confirm that politicians hold more accurate perceptions of voters’ preferences when they think it is important to do so but not necessarily when the issues actually are important to voters. Butler, C., Walgrave, S., Soontjens, K. & Loewen, P.J. (2024), “Politicians are better at estimating public opinion when they think it is more salient”, Party Politics: 1–13. Even so, it’s not a good picture. The remedy for this? Politicians should spend more time reading the polls. So forward this newsletter to someone you know… Share For a more general argument against banning polls, see my 2024 piece. Is “Let Bartlet Be Bartlet” good advice or not? The latest episode of my Political Fictions podcast heads across the Atlantic for a dip into one of the political TV classics: Mark and Cory talk about a giant of American political drama for the first time this week, as they tackle The West Wing. They talk about Let Bartlet Be Bartlet, the nineteenth episode of series one. In it, Mark wonders if The West Wing is actually the epitome of the “Boris Johnson school of politics”, Cory outmanoeuvres Mark into confirming we will record a Christmas Special about Love, Actually and they debate whether the central message of this episode has been misunderstood. Cory’s email newsletter is Paperback Rioter and Mark has a family of email newsletters. Subscribe to our newsletter for some additional bonus content and to get alerted whenever a new episode comes out. Our theme tune is “Monkeys Spinning Monkeys” by Kevin MacLeod/incompetech.com and licensed under the Creative Commons: By Attribution 4.0 License. You can also listen to our episode on Apple Podcasts, Spotify, the web or YouTube. Elsewhere from me… [ A Lord's Eye View How to fix the problem of money in our politics Welcome to my latest update on work in the House of Lords. This time I am taking a look at how our political system is regulated, and the protections we need to keep democracy safe from becoming simply a contest to see who has the biggest bank account… Read more 5 days ago · 3 likes · 2 comments · Mark Pack ](https://lordseyeview.substack.com/p/how-to-fix-the-problem-of-money-in?utm_source=substack&utm_campaign=post_embed&utm_medium=web&embedding_publication_id=1269283) If you spot a factual error… Borrowing an idea from Stuart Ritchie and others, if you spot a factual error in an edition of this newsletter, I will give you a free 12-month subscription to the paid-for version (or an extra 12 months on your existing one). Factual errors qualify, but grammatical errors or disagreements over interpretation do not, and my decision is final. Messages about both of those are always welcome, though. Voting intention and leadership ratings Here are the latest voting intention polls from different pollsters. It is all pretty static at the moment, with a small and consistent Labour lead in nearly all the polls. The table is also online here, along with explanations about what is included. It is updated regularly throughout the week as new polls are released. Next are the seat projections from MRPs, also sorted by fieldwork dates, listing those which are based on dedicated fieldwork (rather than models based on averages of other polls). Because such MRPs are published infrequently, some of the entries below are quite old. Finally, here is a summary of leadership ratings, with a graph from PollCheck: Detailed numbers from the latest polls are online here, and both that and the graph are updated regularly throughout the week as new data comes out. For historical figures on both voting intention and leader approval stretching back to the 1930s, including Parliamentary by-election polls, see PollBase. Catch up on the previous two editions [ ](https://theweekinpolls.substack.com/p/a-crisis-point-for-political-polling) [ A crisis point for political polling Sep 13 ](https://theweekinpolls.substack.com/p/a-crisis-point-for-political-polling) [ Read full story ](https://theweekinpolls.substack.com/p/a-crisis-point-for-political-polling) [ ](https://theweekinpolls.substack.com/p/extra-questions-about-the-polls-in) [ Extra questions about the polls in Reform’s funding scandal Sep 6 ](https://theweekinpolls.substack.com/p/extra-questions-about-the-polls-in) [ Read full story ](https://theweekinpolls.substack.com/p/extra-questions-about-the-polls-in) My privacy policy and other legal information are available here. Links to purchase books or other items are usually affiliate links which pay a commission for each sale. Quotes from social media messages are occasionally lightly edited for punctuation and clarity. If you are subscribed to other email lists of mine, please note that unsubscribing from this one will not automatically remove you from the others. If you wish to be removed from all my lists, simply reply to this email to let me know. A quintet of Lib Dem polling analyses, and 9 other polling insights you shouldn’t miss The following ten findings from the most recent polls and analyses are only for subscribers who pay for the full edition, but you can sign up for a free trial to read them straight away. Ahead of the start of Liberal Democrat conference, we have a trio of organisations and a pair of professors with pieces out about Ed Davey’s party:
Minecraft Takes Science to a New Level: A Fly’s Brain Was Transplanted Into the Video Game
The experiment demonstrated the potential of gaming as a tool for testing consciousness in a virtual environment.
White House science advisor discusses AI guardrails and risks
White House Science and Technology Policy Director Michael Kratsios discusses the guardrails on artificial intelligence after President Donald Trump announces the formation of 'AI Force.'
Learning about Technology, and Relationships, from Wendell Berry
Berry describes the beautiful working relationship he had with his wife, Tanya. She typed his work on a Royal standard typewriter.
Scientists tested whether pets really make us happier: the answer is surprising - Futura-Sciences
Pets are often described as good for both mental and physical health, helping ease loneliness and support emotional well-being. But a new study suggests the picture is more complicated than simply owning a dog, cat, or another companion animal. Researchers at the University of Basel in Switzerland found little evidence...
Birth Of The Diamondiyne Age? Scientists Create New Diamond Structure That Could Unite Two Strands Of Nobel Prize-Winning Chemistry
Long theorized, it's finally been created.
Bouncy balls with Mad Science
Libbi Farrow and Adaleigh Rowe make bouncy balls with Mad Science.
Orlando Science Center opens renovated theater
A lot is happening at the Orlando Science Center. The organization recently reopened the Dome and hosted a series of sold-out laser shows this summer. A new exhibit called “Extreme Sports: Beyond Human Limits” opens in late September, showing visitors what it’s like to rock climb and use a flight suit. To top it off,
Sustained Youthful Energy: Science-Backed Strategies for Active Lifespan The Hype Magazine: Unveiling the Pulse of Urban Culture - From Hip Hop to Hollywood! Explore a Diverse Tapestry of Stories, Interviews, and Impactful Editorials Spanning Fashion, Gaming, Movies, MMA, EDM, Rock, and Beyond! www.thehypemagazine.com - The Hype Magazine The Hype Magazine - News From Hip Hop To Hollywood!
Discover the heartbeat of urban culture with The Hype Magazine! From Hip Hop to Hollywood, delve into a rich tapestry of diverse stories, interviews, and impactful editorials. We go beyond music, catering to fashion enthusiasts, gamers, movie buffs, MMA followers, EDM and rock fans, and more. If it's newsworthy, we cover it passionately. Join us for a journey through the pulse of entertainment and lifestyle!
World Organization for Science Literacy
The World Organization for Science Literacy was officially launched in Beijing on September 20, with 32 founding institutions from 21 countries.
Resident Evil and Silent Hill Are Just as Cozy as Animal Crossing, According to Science
Why some gamers just love to be scared
8 common food additives linked to high blood pressure and heart disease
Common preservatives hiding in processed foods may carry unexpected heart risks, with heavy consumption linked to substantially higher rates of high blood pressure and cardiovascular disease. Researchers identified eight widely used preservatives associated with hypertension, although the observational study cannot prove they were directly responsible.
Science Tells Me How. God Tells Me Why.
A 13-year-old Christian at a public charter school writes about asking questions when science class seems to conflict with their faith, and why they are learning apologetics.
Eichenbaum Acorns: A passion for retina science with Andrea Gibson, PhD, and Erin C. Henry, PhD | Eye Care Network
Andrea Gibson, PhD, and Erin C. Henry, PhD, trace 20 years in retina drug development—and the pathway gap still facing young scientists.
‘Who wants to sign up to deal with the political pressure?’: Smithsonian faces Trump’s culture war as search for leader is on
By René Marsh, CNN (CNN) — As the Smithsonian Institution prepares to launch a nationwide search for a new leader, an unexpected question mark hangs over the position that’s long been considered a plum one in the worlds of art, science and history. “Who wants to sign up to deal with the political pressure?” one
‘Who wants to sign up to deal with the political pressure?’: Smithsonian faces Trump’s culture war as search for leader is on
As the Smithsonian Institution prepares to launch a nationwide search for a new leader, an unexpected question mark hangs over the position that’s long been considered a plum one in the worlds of art, science and history.
Snails Carry a Surprising Record of Extreme Weather on Their Backs
A cyclone in a snail shell.
'We are on our way to groundbreaking science': NASA shares first test image from Roman telescope's 300-megapixel camera
This week, NASA turned on the Nancy Grace Roman Space Telescope's powerful 300-megapixel camera for the first time. The debut test image promises "groundbreaking science" to come with NASA already talking about doubling the mission's lifespan.
'We are on our way to groundbreaking science': Stars turn neon-green in first test image from NASA's Roman telescope — Space photo of the week
This week, NASA turned on the Nancy Grace Roman Space Telescope's powerful 300-megapixel camera for the first time. The debut test image promises "groundbreaking science" to come with NASA already talking about doubling the mission's lifespan.
Nathan Cofnas's revolution: Science, heredity, and the values of liberal society
The Jason Arday scandal broke after Cofnas ran Arday’s doctoral thesis through plagiarism detection software.
Ruth Patrick Science Education Center returns with SEED STEM Festival
The Ruth Patrick Science Education Center’s 41st annual SEED STEM Festival was held at the University of South Carolina Aiken on Sept. 19.
Ruth Patrick Science Education Center returns with SEED STEM Festival
AIKEN — The Ruth Patrick Science Education Center’s 41st annual SEED STEM Festival was held at the University of South Carolina Aiken on Sept. 19, and director of special programs John Hutchens said t...
3 science-backed home remedies to ease the common cold
Rest and hydration are essential, but these other strategies may also bring relief.
[Science Through Covers] EGFR T790M mutation in US Southeast drives inherited lung cancer risk
Harvard Medical School team links 200-year-old founder effect to sharply higher lung cancer risk among non-smokers in southern Appalachia
Bodies - The Science Within
See, feel, and understand the human body like never before! BODIES – THE SCIENCE WITHIN invites visitors of all ages on a journey through real human specimens, carefully and respectfully preserved, uncovering the intricate systems that sustain life. This immersive experience reveals how our bodies work, what we are made of, and how we […]
World Organization for Science Literacy debuts in Beijing
World Organization for Science Literacy debuts in Beijing -
Museums Use AI and Chemistry to Restore Ancient Egyptian Scents
From olfactory archaeology of 3,000-year-old mummies to MOF-based electronic noses for healthcare and safety
‘Enormous potential’: UK envoy seeks deeper Israel ties in science, technology and trade
Ambassador Simon Walters tours the Oxford-Cambridge Growth Corridor, meeting researchers, investors and industry leaders as Britain seeks new partnerships with Israel in genomics, life sciences, agri-tech, AI and clean tech despite political differences
World Organization for Science Literacy launched in Beijing
The World Organization for Science Literacy was launched on Sunday at the opening ceremony of the 2026 World Conference on Science Literacy in Beijing.The organization is an international scientific and technological organization initiated with the support
Author Michael Clinton weighs in on the changing science of longevity
The author reconsiders aging.
Pink Jupiter?! The science behind this psychedelic view of the gas giant is key to what makes the planet tick
Hubble Space Telescope captured an image of Jupiter in ultraviolet light as part of a study to 3D-map the gas giant's cloud system.
Letter: Move Science Museum to Berglund Center
The Berglund Center is a hot topic of discussion these days. How to preserve it and keep it relevant for future generations?
NOAA Fisheries Takes a ‘Sharp Turn Away From Science’
The agency’s focus on commercial interests threatens fisheries science and over one million miles of protected marine habitats.
Melbourne Square held a free science event for children
Mad Science held an interactive event at Melbourne Square featuring optical illusions and detective science for kids.
Melbourne Square held a free science event for children
Mad Science held an interactive event at Melbourne Square featuring optical illusions and detective science for kids.
Mississippi Science Fest brings hands-on STEAM activities to Jackson
Four Jackson museums join for Mississippi Science Fest
Science and Sense: The science of El Nino and drought busting
In the last few weeks, the National Oceanic and Atmospheric Administration (NOAA) revised its assessment of El Nino conditions that may affect our fall, winter, and spring weather (significantly). For
New nanoparticles make hidden chemical differences light up
Scientists have developed ultra-bright nanoparticles that can detect tiny amounts of chemicals and distinguish between molecules that look almost identical. The technology could one day provide a cheaper way to catch dangerous drug impurities or trace pollutants using simple low-cost lasers.
A 66-million-year-old tooth reveals T. rex was nearly as warm as a human
Chemical clues preserved inside fossilized T. rex teeth reveal that the dinosaur maintained a body temperature of about 97 degrees Fahrenheit, almost identical to humans. The finding provides direct evidence that the giant predator was warm-blooded, helping explain how it stayed active and survived in chilly environments as far north as Alaska.
Science on Tap: Mechanics of Messaging
A monthly series of informal discussions by the SEE Science Center on relevant topics with local experts and scientists. Doors open at 5pm. Events are free. Advance Sign up appreciated. Food and drink can be ordered off the menu.Oct. 13 Topic: Mechanics of MessagingWe all know that Gutenberg changed the world, but printing technology did not stop there. Join us to discuss how NH has played a role in the evolution of high-tech printing and related technologies. From Dot-Matrix, to Ink jet to Laser and 3-D discover what is being employed, how it evolved and where it is headed next.Panelists will include:James K McMahon- Layer Grown Model Technology Services-Retired
SEED STEM Festival brings science to life for local children
From building robots to exploring neuroscience, local children got hands-on experience with science, technology, engineering and math Saturday at Aiken’s 41st annual SEED STEM Festival.
NC State Alumnus Establishes Full Scholarship for Undergraduate Students in Agriculture Majors
A $10 million gift from NC State alumnus David Peele will give students from eastern North Carolina the opportunity to attend NC State’s College of Agriculture and Life Sciences with the full cost of attendance covered – and spend four years immersed in the research, mentorship and experiences preparing them to lead the future of agriculture.
7-Year-Old Boy Burned in Fire After ‘Science Experiment’ with Household Items Goes Wrong
“Every single day asks an unbelievable amount of strength from him,” a family member wrote on GoFundMe
The Human Brain Isn't Meant to Be Awake Past Midnight, Scientists Warn
Dangerous things can happen.
Rep. Pfluger's Mystic Alerts Act Advances Through Senate Committee on Commerce, Science, & Transportation
FOR IMMEDIATE RELEASE: 9/16/2026CONTACT: Madelon Clark Rep. Pfluger's Mystic Alerts Act Advances Through Senate Committee on Commerce, Science, & TransportationWASHINGTON, D.C. — Today, Congressman August Pfluger's (TX-11) bipartisan and bicameral
Do pimple patches actually work? Here's what the science says
You're standing in the skincare aisle and pimple patches are everywhere — clear ones, flesh-coloured ones, stars, hearts. They promise to flatten a pimple overnight. But do they work?
SEED STEM Festival brings science to life for local children
From building robots to exploring neuroscience, local children got hands-on experience with science, technology, engineering and math Saturday at Aiken’s 41st annual SEED STEM Festival.
Conservation mentor uses practical science to form a soil health playbook
Nathan Mueller knows firsthand that adopting conservation practices is rarely as simple as reading an article or walking into an Natural Resources Conservation Service (NRCS) office. It requires trial and
In January 2026, researchers completed a drilling project beneath 1,716 feet of ice in West Antarctica, recovering evidence of an ocean that once lay open to sunlight
The discovery rewrites Antarctica's climate history—and raises urgent questions about how quickly ice sheets can collapse.
Harmless myths everyone still believes that science has totally debunked
Harmless myths everyone still believes that science has totally debunked Some myths survive purely because correcting them feels unnecessary. Nobody gets hurt believing a goldfish forgets everything in three seconds, so nobody bothers checking. That […]
Oklahoma residents, hydrologist say water board's dam report is 'not based on science'
Residents also suspect politics may be shaping the agency's response.
Your Kitchen Sponge Has More Bacteria Than a Subway Pole: The Startling Science of What’s Really Living in New York Homes
New Yorkers are famously germ-conscious. We hover over subway poles, elbow-push door handles, and carry hand sanitizer like it’s a fifth borough accessory. But here’s the uncomfortable truth backed by peer-reviewed research: the dirtiest place most New Yorkers touch every single day isn’t on the 4 train — it’s sitting next to their own kitchen […]
‘Weird’ science: U of A grad helped get asteroid named after Al Yankovic
“Weird Al” Yankovic now has an asteroid named after him, thanks to the efforts of a planetary scientist with deep connections to the University of Arizona.
Ensuring Continuity in Science Education for Bar Harbor Students
Parents express concerns over Bar Harbor's science curriculum continuity post-pandemic, urging reevaluation of the current instructional model.
Bar Harbor Parents Again Raise Concerns About How Some Science Education In Sixth Grade.
The Bar Harbor Story is generously sponsored by Restaurant Barn. BAR HARBOR—Parents again raised concerns this week about how Bar Harbor students receive science instruction after fifth grade, months after the same issue came before the Bar Harbor School Board. The concern centers on a past scheduling change at Conners Emerson School that gives fifth graders a full year of science rather than switching between science and social studies at midyear. Principal Dr. Heather Weir Webster told the board that the school has been monitoring test scores, teacher feedback, and the experience of students as it considers whether the current approach is working. If it is not, the approach may be changed, but that would not likely occur this school year. In fifth and sixth grade, the school used to have one semester of social studies and one of science in each year. That schedule shifted because switching at midyear often broke up the learning units. So, approximately two-three years ago, they decided to shift that a bit. Science became a dedicated focus in fifth grade. Social studies was the dedicated focus in sixth grade. The school staff members are hoping to dive deeply into the data and see if the students are having a more quality experience throughout their time in those grades when it comes to science and social studies. If not, things could shift again. This year, Dr. Webster said at the September meeting, potential changes to curricula have been a bit complicated by moving into the school’s new building in late October and early November. “There have been no changes this year because it’s hard enough to handle the move. That allows them to have consistency,” Dr. Webster said. Dr. Webster said that after the Covid pandemic which prevented students from attending school in person, many fifth graders were struggling. “We tried several different configurations,” she said, including a co-teaching model to help with that struggle, but to also see how to best schedule and support those students. “We found that a January switch” where classes switched from social studies to science was really difficult. Part of the decision making stemmed from science being more hands-on and accessible to fifth graders. Social studies was a bit more abstract content, which was why the school tried the current configuration. In a letter submitted as public comment, parent Beth Dumont wrote, “In May 2026, I wrote to express my concern that our middle school students are not receiving consistent instruction in science and social studies. I appreciate that the Board took this concern seriously and requested a presentation from Principal Webster. I am also grateful for the opportunity to meet with Principal Webster and Julie Keblinsky in July to learn more about the current curriculum and scheduling. “During that meeting, I learned that the current model is intended to integrate science and social studies into other subjects during the years or semesters when they are not offered as standalone courses. “While I appreciate the intent behind this model, I remain concerned about its premise. Science and social studies are core academic disciplines that provide students with essential knowledge, skills, and ways of thinking. Yet under the current schedule, students are not guaranteed consistent instructional time in these subjects. Instead, exposure to content in these disciplines may depend on whether opportunities for integration arise within other classes. “To be clear, I strongly support interdisciplinary learning. Integrating science and social studies across the curriculum can enrich students’ educational experiences and help them make meaningful connections across subject areas. My concern is not with integration itself, but with relying on integration as a substitute for dedicated instruction in core disciplines.” Dr. Webster said that they’ve been monitoring test scores, talking to teachers, seeing how the pilot program works. It’s in its third year now of this schedule. One science teacher, she said, told her he’d seen positive outcomes with full year science and that there was a stronger classroom community. Another science teacher had concerns over the readiness last year, but she isn’t feeling that way about this year’s current class. A third teacher for social studies said he loves the full year. A fourth teacher of social studies hasn’t said that anything has changed. For the three fathers who spoke at the school committee meeting, the fractured science curriculum caused concerns. One father said that when he spoke to others, “all were surprised and confused as to why there was no dedicated, continuous science education,” at the school. Though students are testing well in science and math, he worried that without continuity in education, learning is lost. “We shouldn’t have to choose between key learning disciplines,” he said. Matthew Bergin, another father, agreed, adding, “I’m just a little concerned.” In her letter, Dumont wrote, “As the parent of a recent sixth grader who completed an entire year without a dedicated science course, I saw very little evidence that this integration was occurring in a consistent, systematic, or readily identifiable way. This is not a criticism of our middle school teachers, who have been uniformly excellent. Rather, it is a structural criticism of the current schedule.” Dr. Webster gave an update about all aspects of the schedule and how it’s created and she also spoke to social and emotional learning (SEL) in middle school. It’s explicitly taught but also embedded. Science is embedded as well and explicitly taught at all but that one grade. The school schedule is built from lunch out, then electives like art and physical education are placed, before going into the instruction time, teacher planning time, multi-tier support systems (MTSS), and then social and emotional learning. Teachers have to have 250 minutes a week of planning time per their contracts. That’s the minimum and occurs when their students are at specials. “The schedule is really not the purview of the board,” School Board Chair Marie Yarborough reminded the other board members and the public and thanked Dr. Webster for the presentation. The parents were also thanked for coming. LINK TO LEARN MORE [ ](https://barharborstory.substack.com/p/despite-strong-rankings-some-bar) [ Despite Strong Rankings, Some Bar Harbor Parents Raise Concerns About School's Science Education ](https://barharborstory.substack.com/p/despite-strong-rankings-some-bar) Carrie Jones · Jun 4 [ Read full story ](https://barharborstory.substack.com/p/despite-strong-rankings-some-bar) HELP SUPPORT THE BAR HARBOR STORY When we started The Bar Harbor Story, we didn’t know if anyone would read it. But you showed up. You shared. You sent tips. Now—over 400,000 views every month later—it’s clear: people here care about their community and each other. We’ve kept everything free because news should never be out of reach, but every one of our stories takes time to write, and your support keeps The Bar Harbor Story going. If you value our work, please consider a paid subscription, a founding membership, or a sponsorship. It truly helps us cover one more meeting, tell one more story, shine one more light. Even $5 a month makes a difference. Click here to become a one-time supporter now. Thank you so much for being here. Founding member information can be found here. Have questions about sponsorships? Just send Shaun an email at sfarrar86@gmail.com, he’d love to hear from you. Subscribe Share Bar Harbor Story Share Leave a comment
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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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