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Scientists warn a popular vitamin D supplement may have a hidden downside
Not all vitamin D supplements are created equal, and new research suggests that one popular form may have an unexpected downside. Scientists found that taking vitamin D2 can actually lower the body's levels of vitamin D3, the form naturally produced by sunlight and more effective at boosting overall vitamin D. Previous studies also suggest that vitamin D3 may provide stronger immune protection against viruses and bacteria.
Protestors, politicians denounce Trump as his East Side rally begins
Protestors have gathered across the street from the Freeman Coliseum, where Trump's rally for Republican candidates is underway.
Lancaster General Health serves Amish families with special outreach programs
Penn Medicine Lancaster General Health meets regularly with Amish bishops to help provide culturally-appropriate care to the Amish community.
Trump rebukes political advisers for taking other work during midterms
The president, who generally resists admitting fault, has recently made several reversals responding to ethical concerns.
No Estás Solo: A resource guide for Latinos seeking mental health support
Oct. 10 is World Mental Health Day. Though culturally competent care may be hard to find for Latinos, De Los compiled some mental health resources available in Los Angeles and beyond.
'Creator Rally' Aims to 'De-Risk' Politics for Influencers Ahead of Midterms
The goal of the virtual confab: to give creators, both budding and established, a framework for how to talk politics ahead of the midterms.
Jimmy Kimmel threatens to call the FCC on Trump for suggesting Iran should bomb California
Jimmy Kimmel threatened to call the FCC on Donald Trump after the president suggested Iran bomb California during a midterm election rally.
This wearable AI stock is set to rally thanks to a broader business focus, Jefferies says
A maker of energy efficient computer chips is likely to soar as smart-device hardware and AI compute businesses continue to gain traction, one analyst says.
I ignored the Windows app until Microsoft closed this major feature gap
Remote PC connections are now generally available alongside Windows 365, Azure Virtual Desktop, and Dev Box access.
Why is Flutter Entertainment stock rallying today?
Why is Flutter Entertainment stock rallying today?
‘Medicare for All’ Message Attracts Voters Buckling Under Medical Bills
The idea of scrapping the U.S. health insurance system for a massive expansion of government-funded healthcare isn’t new. But voters hit by ballooning private health insurance costs are rallying behind midterm candidates calling for universal coverage.
Arkansas Advocate on Ozarks at Large: Maternal health, Kentucky's governor and political debates
Arkansas Advocate Editor-in-Chief Andrew DeMillo joined Ozarks at Large Senior Producer Matthew Moore on KUAF this week to discuss recent grants for maternal health, Kentucky's governor rallying Democrats and the history of political debates.
Arkansas Advocate on Ozarks at Large: Maternal health, Kentucky's governor and political debates
Arkansas Advocate Editor-in-Chief Andrew DeMillo joined Ozarks at Large Senior Producer Matthew Moore on KUAF this week to discuss recent grants for maternal health, Kentucky's governor rallying Democrats and the history of political debates.
Trump loves to bash California to rally the base. 'Let ’em take out' L.A. is just the latest
Bashing California is a reliable applause line in red states like Nebraska, Alabama, Texas and Oklahoma, where Trump has been holding rallies trying to ensure his supporters get out to vote.
What did people who went to Trump’s Nebraska rally have to say?
While the perception of Republicans seems gloomy ahead of the midterms, thousands came to see and support President Donald Trump at his rally.
Stand Up for Science to Rally Scientists & University Leaders in Support of Academic Freedom Tomorrow
Virtual rally features speakers from SUNY & SUFS; calls on university leadership to defend academic freedom.
Stand Up for Science to Rally Scientists & University Leaders in Support of Academic Freedom Tomorrow
Virtual rally features speakers from SUNY & SUFS; calls on university leadership to defend academic freedom.
REP LIEU JOINS REP. FRIEDMAN, LOS ANGELES DELEGATION, AND ENTERTAINMENT UNION IN PUSH FOR NATIONAL FILM TAX CREDIT
GLENDALE, CA – Today, October 6, 2026, Congressman Ted Lieu (D-Los Angeles County) joined U.S. Congresswoman Laura Friedman (D-Los Angeles County), Members of the Los Angeles congressional delegation, and the major unions representing film and television workers at the Alex Theatre in a new push for the Motion Picture, Television, and Entertainment Revitalization Act.
Scientists Create Hexagonal Packed Ice At Extreme Pressures
One of the problems with planetary science is that you generally cannot easily investigate the exact conditions in their interior, so you’re left to extrapolate what is happening inside them …
Starbucks sued over ‘sugar-free’ claims for protein beverages
Starbucks has been sued by consumers who said the coffee chain falsely advertised eight protein beverages as “sugar-free” because they contain lactose, a naturally occurring sugar in milk.
Trump's remark about letting Iran 'take out' LA, San Diego draws backlash
The president made the comment Monday night during a campaign rally in Nebraska
‘Business for Democracy’ Sees Friends Rising and Keep Showing Up Rally in Downtown Plaza
On a scorching 100-degree Saturday midday on October 3, 2026, local volunteers from Culver City and Friends Rising, joined by Keep Showing Up Culver City, led a march and rally. The demonstration f…
California leaders slam Trump for saying Iran could ‘take out’ L.A. or San Diego
Officials in California condemned the president's comments as “dangerous,” after he told a Nebraska rally the war in Iran was a “small price to pay for keeping the world safe.”
Top Super PAC for Senate Democrats Raises Record $151 Million in Third Quarter
Democratic Senate candidates have generally out-raised Republicans, but are struggling to match outside spending from Trump-affiliated groups.
It's literally never been cheaper to buy this Wahoo indoor trainer on Amazon thanks to a whopping Prime Day discount
Shorter days, colder weather and more time indoors are coming so now is the time to upgrade your indoor trainer
Goodbye joint replacements? Stanford scientists found a way to regrow cartilage and stop arthritis
Scientists have found a surprising way to regrow damaged knee cartilage by blocking a protein that becomes more abundant with age. In old mice, the treatment restored naturally lost cartilage and also helped prevent osteoarthritis after ACL-like knee injuries, while human cartilage taken from knee replacement patients began producing new, functional joint cartilage after exposure to the same inhibitor.
Trump says Iran can 'take out' LA or San Diego during political rally
President Donald Trump faces backlash for saying Iran could 'take out' Los Angeles and San Diego as a 'small price to pay' during Nebraska rally. (Source: POOL)
Trump says Iran can 'take out' LA or San Diego during political rally
President Donald Trump faces backlash for saying Iran could 'take out' Los Angeles and San Diego as a 'small price to pay' during Nebraska rally. (Source: POOL)
Trump defends ad, says MAGA Inc. will cover cost instead of taxpayers
Trump defended a federally funded ad as patriotic but said Monday that MAGA Inc. would cover the cost after complaints from critics.
Trump defends ad, says MAGA Inc. will cover cost instead of taxpayers
Trump defended a federally funded ad as patriotic but said Monday that MAGA Inc. would cover the cost after complaints from critics.
Trump suggests Iran could 'take out' Los Angeles and San Diego
President Donald Trump suggested Monday during a political rally in Nebraska that Iran could “take out” Los Angeles and San Diego, comments that drew condemnation.
Upcoming Trump rally at Freeman Coliseum draws mixed reaction from San Antonio voters
Euro faces political, fiscal reckoning as it hovers near 17-month low
The euro struggled near a 17-month low on Tuesday, weighed down by political uncertainty and fiscal concerns across the euro zone, while the dollar extended its blistering rally as it rode US Treasury yields higher.
Political orientation and institutional trust emerge as key factors in local wind energy support
Why does the expansion of wind energy sometimes meet with local resistance, even though renewable energy generally enjoys broad support? RIFS researcher Jörg Radtke used a representative survey of 6,284 ...
Angie Nixon brings a pep rally-style campaign stop to USF Tampa
Nixon fired up the crowd with an energetic case for more government involvement in medical care, college tuition and affordable housing.
Dysfunction rocks county health dept. at center of Michigan MAHA movement
Nurses allege a toxic workplace has taken root at the St. Clair County Health Department. But officials are shrugging off calls for an independent investigation of its anti-vaccine medical director.
Olivia Rodrigo’s Unraveled tour might be 2026’s best
WASHINGTON – For her third major tour, Olivia Rodrigo literally brought herself some well-deserved flowers.
CeeDee Lamb’s late TD caps a wild Cowboys rally to beat winless Texans 34-30
The Cowboys star receiver had a career day in Houston.
Will Democrats’ midterm wave reach California’s Central Valley? Bernie Sanders rallies the vote
Bernie Sanders rallied hundreds in sweltering Bakersfield heat for Randy Villegas, a progressive long shot in one of the nation's most contested House races.
The science behind targeted oral peptides
A new type of medication is tackling a problem that has long frustrated drug developers: how to deliver peptide therapies orally and hit their target more precisely.
Nintendo has renewed some classic game trademarks
Nintendo has recently refreshed some trademarks for some of its older titles as it naturally does from time to time. It doesn’t mean that new entries are currently in the works, though that would be…
Top salaries at VNA Health Care 2024
VNA Health Care is an Aurora-based not-for-profit Federally Qualified Health Center that serves nearly 90,000 patients a year.
Top salaries at VNA Health Care 2024
VNA Health Care is an Aurora-based not-for-profit Federally Qualified Health Center that serves nearly 90,000 patients a year.
How the pursuit of science also serves modernity
Much of science is in the service of modernity, producing remarkable short-term advantages for humans generally at the expense of the rest of the community of life.
Wahine Mālama ʻĀina
Mālama ‘āina is the Hawaiian values-based practice of caring for, protecting and honoring the natural world. For this year’s Wahine issue, Hawaii Business Magazine recognizes five women doing vital work to steward Hawai‘i’s land and ocean — from conserving culturally and ecologically significant sites and mitigating invasive pests to restoring coral reefs and revitalizing the traditional ahupua‘a system.
Korean Directors Rally Behind 'The Assassin(s)' in Political Firestorm
Korea's Directors Guild defends the makers of Hur Jin-ho's 'The Assassin(s),' as a history row turns personal.
Coffee-Rich Diet May Be Linked to Better Breast Cancer Outcomes, But Experts Urge Caution
A new study is again drawing attention to a popular morning beverage: coffee. Researchers found that women with breast cancer who consumed higher amounts of polyphenols, naturally occurring plant compounds abundant in coffee and many plant-based foods, experienced lower rates of breast cancer-related death over a long-term follow-up period.
Buccaneers’ Rally Falls Short Against Packers
The Buccaneers dropped to 0-4 after Jalon Daniels’ late comeback attempt fell short.
Grand Theft Auto VI developers literally forced Sony to develop QSSR technology
According to insider PainkillerQ8, the Rockstar Games team literally forced Sony developers to dig up the technology...
Florida appears set to tumble while Bama hopes to rise
A week after a huge promotion in the poll, Florida is bound to come down in the newest AP Top 25 after a lopsided loss. 25 Missouri on a Saturday while other ranked teams generally won in workmanlike fashion.
Can fiber-enhanced food products really improve our health?
A food containing added fiber isn’t necessarily equivalent to a food that naturally contains fiber.
Trump holds Ohio midterm rally, urging voters to consider him on the ballot during 32-day campaign tour
President Trump rallied in Ohio as part of a 32-day midterm campaign tour, pushing GOP candidates in a Senate race that could shift control of Congress.
Trump Promotes Data Centers at Rally With Republican Facing Heat on Them
The president defended the complexes, which have become a liability for Senator Jon Husted in a challenging midterm race.
Culver City protesters demand Sony, Amazon, other studios defend democracy
LOS ANGELES — On a sweltering Saturday, around 100 people gathered in Culver City for a rally and march to deliver a message to several major media companies: Help us
Trump defends data centers in Ohio as he rallies to boost Jon Husted in a tight Senate race
President Donald Trump is defending data centers powering AI projects during a campaign rally in Ohio.
Trump defends data centers in Ohio as he rallies to boost Jon Husted in a tight Senate race
President Donald Trump is defending data centers powering AI projects during a campaign rally in Ohio. He insists they benefit local communities and warns against losing them to China. The
Trump rally attendees react to war and the economy ahead of the midterms
CNN’s Alayna Treene speaks with Trump supporters about their views on issues like the Iran war, gas prices and the economy, as the US president campaigns in Vandalia, Ohio in a bid to help Republicans retain control of Congress in next month’s midterm elections.
Trump rallies in Ohio to boost Jon Husted in a tight Senate race against Sherrod Brown
Saturday's rally is just outside Dayton, Ohio, where he'll stump for key candidates in competitive races for the House, Senate and the governor’s mansion in Columbus.
Trump appears to post Sen. Tom Cotton’s cell number in push to make daylight saving time permanent
The House passed a bill in July to make daylight saving time permanent, and the Senate has yet to take up the measure.
A gut punch in Ohio: Nearly 1,400 laid off at truck factory just days before Trump rally
This year’s election is a test for the working-class coalition that lifted Trump into the White House and gave majorities to Republicans in the House and Senate.
Trump makes pitch to Ohio voters as midterms approach
President Donald Trump will lead a rally in a Dayton suburb Saturday in hopes of energizing GOP voters. He'll be joined by Sen. Jon Husted and others.
A gut punch in Ohio: Nearly 1,400 laid off at truck factory just days before Trump rally
President Donald Trump is trying to rally voters in the Dayton, Ohio, area on Saturday. But days ago, 1,400 workers were laid off from a truck factory there.
Live Nation Entertainment (LYV) Stock Stays Hard To Read After Its 93% Run
Live Nation Entertainment has seen its share price advance strongly over the past few years, which naturally puts the focus on whether the current US$168.77 level is supported by what the business can generate in cash. With the stock giving back some ground in recent weeks, the question now is how that recent share move lines up against the value implied by its cash flows. Over the past 3 years the stock has returned 92.9%, which raises the issue of whether the market is now asking investors...
Trump is campaigning in reliably red states, a sign of midterm concerns
Trump is rallying in Republican strongholds such as Texas, Oklahoma and Alabama, betting that his presence will be enough to energize voters who might be thinking of sitting out the election.
Golden Knights’ 3rd-period rally falls short in loss to Ducks
LAS VEGAS — Ryan Craig got what he wanted when he said he needed the Vegas Golden Knights to start on time. They just didn’t start on time in the
A gut punch in Ohio: Nearly 1,400 laid off at truck factory just days before Trump rally
President Donald Trump is trying to rally voters in the Dayton, Ohio, area on Saturday.
A gut punch in Ohio: Nearly 1,400 laid off at truck factory just days before Trump rally
President Donald Trump is trying to rally voters in the Dayton, Ohio, area on Saturday.
Olivia Insani Perske: Rooted and resonant
Olivia Insani Perske was singing before she was speaking — literally.
In Alabama, Trump Relives His Glory Days (This Time With Some Empty Seats)
The Deep South was the birthplace of the mega MAGA rally. How do people on the Gulf feel about President Trump now?
NH families sue Trump administration over Medicaid ban on transgender health care
Four families say their minor children could lose access to gender-affirming treatment under a pending change in Medicaid rules.
Trump makes rare presidential visit to tribal land for rally
President Donald Trump's campaign rally on the Choctaw Nation puts him in rare company. He's among a handful of presidents who have visited Native American reservations while in office. Trump's
Two Brazilian political dynasties clash again
Brazilians vote Sunday in a tight race between two familiar political forces, with plenty at stake beyond the presidency. Here’s what to watch.
Chile & Chili's immigration raid unites Tallahassee community
The FSU and Tallahassee communities expressed concern, fear, and support for beloved Chile & Chili's, after an immigration raid led to shut down.
Coastal forces shape building sciences practice
When Built Environments relocated to Wilmington, the firm’s partners weren’t looking for the lazy tranquility one hopes for when on vacation. Instead, they sought sultry heat. They wanted to understand whipping coastal winds and punishing precipitation – the kind that tropical storms produce. That’s because how materials degrade can reveal a lot about how they can be improved. “We specifically chose the Wilmington market because it does fall within Climate Zone 3A, which is a coastal warm-humid climate,” said Jarrett Davis, who joined Built Environments in 2023 to lead the company’s building science practice. “There’s not a lot of product research in that climate zone, but there are a lot of structures here that get weatherized pretty severely.” Built Environments has provided building science, material testing and code compliance consulting for 25 years, ever since principal materials scientist Steve Doggett founded the company in Minnesota. “There are very few manufacturers that understand fully how their own materials and products work, whereas we know their shortfalls and their benefits out in the real world on jobsites,” Doggett said. “That’s why the original Built Environments was formed, to make buildings better.” He said the 15-employee company is just as comfortable on a jobsite, retrofitting a high-end beachside property, for example, as it is recreating some of the coast’s most intense weather conditions in the great indoors. The company operates an A2LA-accredited ISO/IEC 17025 mechanical testing laboratory on Wright Street. The year-old facility has expanded Built Environments’ in-house capabilities, Doggett said. “We’re able to simulate that hurricane wind (and) rain and perform structural and impact testing on wall assemblies, roof assemblies and glazing assemblies,” he said. “There are certain requirements that those windows and doors need to meet as far as wind ratings and pressure ratings and things of that nature.” Standard Glass Co.-Glass Depots, of Wilmington, is currently testing a new glazing system using Built Environments’ stress testing, the partners said. One method involves what’s called a “large missile cannon.” “We take 8-foot two-by-fours, and we shoot them at assemblies, so they have to withstand that impact,” Davis said. “It’s pretty cool to see, I’m not going to lie.” In many cases, the lab can run a full, wall-scale test of a product in a matter of weeks or months, whereas “it might take midrange manufacturers years,” Doggett said. “We’re nimble. We can cut that time in half.” The lab also develops intellectual property. Doggett, for example, shares a patent with Sustant LLC, of Minnesota, on a fastener patch to increase the air and water tightness within building envelopes. “We have too many ideas and not enough time,” he said. But the partners noted that they or their fellow principals – of which the company has four total, including a principal engineer and a principal codes and standards expert – could be anywhere on a given day, including in the courtroom providing expert testimony in contentious insurance cases. “Let’s say there is a fire on a structure,” Davis said. “We can analyze all the specific materials within that assembly – an exterior wall or something like that – because there are loads that require certain heat release. And so, we can measure each one of those materials, if need be, to say if this was likely or not a code-approved assembly.” Despite what can be inferred in a lab, the partners said nothing beats learning from how materials change over time under real-world strain. Take, for instance, the curious case of the creaking condo. “We recently had a customer that came to us trying to assess a sound issue of a roof. It was making noises that no one could explain or account for. How do you tackle something like that?” Doggett asked rhetorically. “There’s really no generally agreed-upon methodologies.” The problem turned out to be a faulty installation of a commercial roof system. “The building in this particular case was not local,” he said. “In the initial installation, the commercial roofing contractor installed the wrong fasteners in the wrong locations into the deck, and essentially the solar radiation was causing the building to move quite substantially early in the morning when the sun initially hit that assembly after a quite cool evening, causing the threads on the fasteners to kind of jump within the material, within the metal.” Built Environments designed an effective repair methodology that was within budget, the partners said. “We get the bizarre,” Doggett said. “I will say that’s something that has stayed the same over 25 years.” The partners said they are hiring, and that Cape Fear Community College is one of their main recruiting grounds. Davis and Doggett look for talented people who can understand traditional methodologies yet are open to on-the-job training and new understandings, they said. After all, it’s not just weather that can ruin a building. “My favorite saying is,” Davis said, “‘What are the eight most expensive words in construction? That’s how my daddy used to do it.’”
Coastal forces shape building sciences practice
When Built Environments relocated to Wilmington, the firm’s partners weren’t looking for the lazy tranquility one hopes for when on vacation. Instead, they sought sultry heat. They wanted to understand whipping coastal winds and punishing precipitation – the kind that tropical storms produce. That’s because how materials degrade can reveal a lot about how they can be improved. “We specifically chose the Wilmington market because it does fall within Climate Zone 3A, which is a coastal warm-humid climate,” said Jarrett Davis, who joined Built Environments in 2023 to lead the company’s building science practice. “There’s not a lot of product research in that climate zone, but there are a lot of structures here that get weatherized pretty severely.” Built Environments has provided building science, material testing and code compliance consulting for 25 years, ever since principal materials scientist Steve Doggett founded the company in Minnesota. “There are very few manufacturers that understand fully how their own materials and products work, whereas we know their shortfalls and their benefits out in the real world on jobsites,” Doggett said. “That’s why the original Built Environments was formed, to make buildings better.” He said the 15-employee company is just as comfortable on a jobsite, retrofitting a high-end beachside property, for example, as it is recreating some of the coast’s most intense weather conditions in the great indoors. The company operates an A2LA-accredited ISO/IEC 17025 mechanical testing laboratory on Wright Street. The year-old facility has expanded Built Environments’ in-house capabilities, Doggett said. “We’re able to simulate that hurricane wind (and) rain and perform structural and impact testing on wall assemblies, roof assemblies and glazing assemblies,” he said. “There are certain requirements that those windows and doors need to meet as far as wind ratings and pressure ratings and things of that nature.” Standard Glass Co.-Glass Depots, of Wilmington, is currently testing a new glazing system using Built Environments’ stress testing, the partners said. One method involves what’s called a “large missile cannon.” “We take 8-foot two-by-fours, and we shoot them at assemblies, so they have to withstand that impact,” Davis said. “It’s pretty cool to see, I’m not going to lie.” In many cases, the lab can run a full, wall-scale test of a product in a matter of weeks or months, whereas “it might take midrange manufacturers years,” Doggett said. “We’re nimble. We can cut that time in half.” The lab also develops intellectual property. Doggett, for example, shares a patent with Sustant LLC, of Minnesota, on a fastener patch to increase the air and water tightness within building envelopes. “We have too many ideas and not enough time,” he said. But the partners noted that they or their fellow principals – of which the company has four total, including a principal engineer and a principal codes and standards expert – could be anywhere on a given day, including in the courtroom providing expert testimony in contentious insurance cases. “Let’s say there is a fire on a structure,” Davis said. “We can analyze all the specific materials within that assembly – an exterior wall or something like that – because there are loads that require certain heat release. And so, we can measure each one of those materials, if need be, to say if this was likely or not a code-approved assembly.” Despite what can be inferred in a lab, the partners said nothing beats learning from how materials change over time under real-world strain. Take, for instance, the curious case of the creaking condo. “We recently had a customer that came to us trying to assess a sound issue of a roof. It was making noises that no one could explain or account for. How do you tackle something like that?” Doggett asked rhetorically. “There’s really no generally agreed-upon methodologies.” The problem turned out to be a faulty installation of a commercial roof system. “The building in this particular case was not local,” he said. “In the initial installation, the commercial roofing contractor installed the wrong fasteners in the wrong locations into the deck, and essentially the solar radiation was causing the building to move quite substantially early in the morning when the sun initially hit that assembly after a quite cool evening, causing the threads on the fasteners to kind of jump within the material, within the metal.” Built Environments designed an effective repair methodology that was within budget, the partners said. “We get the bizarre,” Doggett said. “I will say that’s something that has stayed the same over 25 years.” The partners said they are hiring, and that Cape Fear Community College is one of their main recruiting grounds. Davis and Doggett look for talented people who can understand traditional methodologies yet are open to on-the-job training and new understandings, they said. After all, it’s not just weather that can ruin a building. “My favorite saying is,” Davis said, “‘What are the eight most expensive words in construction? That’s how my daddy used to do it.’”
Carlos Alcaraz Is Whining About the ATP Schedule, Again
Carlos Alcaraz has been whining about the ATP schedule again, so naturally I am now going to whine about Alcaraz whining about the ATP schedule. Somebody has to keep this cycle going. In fairness to Alcaraz, the central argument is hardly ridiculous. Professional tennis has a calendar problem. The season stretches across almost the entire …
The insidious, fascinating, and utterly infuriating reason that women’s health care is worse than men’s
How the medical system literally devalues women’s bodies.
WATCH: President Trump in Durant for political rally
KTEN News offers live coverage of the Republican rally at Durant’s Choctaw Event Center featuring President Donald Trump, with updates starting at 4 p.m. CT, including news segments and live broadcasts through the evening.
J.D. Vance visits Florida to rally the Republican base. Skeptics remain
One attendee said he’s considering leaving the governor’s race option blank after backing James Fishback in the Republican primary.
2 federally charged after kratom seized at Oxford, MS business
MEMPHIS, Tenn. — Two men accused of possessing kratom and illegal substances at an Oxford, Mississippi, business have been federally charged Thursday. Yahya Mohamed Mosleh, 51, and Islam Moha…
Trump embarks on rally blitz hoping to energize GOP voters
Trump’s low standing with voters limits the places he can most effectively campaign. Advisers hope he can energize GOP voters.
Physicists unveil the most accurate atomic clock ever — and it could literally redefine the second
Physicists have used radioactive lutetium to create what they say is the most accurate atomic clock ever, keeping time perfectly up to 19 decimal places.
Trump will hold a rally in Choctaw Nation, a rare presidential visit to Indian Country
The rally is part of President Donald Trump's recent campaign push through deep red states, where he has been stumping for Republican candidates and promoting his agenda ahead of November’s midterm elections.
Tiffani Thiessen's teen daughter has a blunt take on her '90s TV hits
Tiffani Thiessen on "Coven Academy," looking back on her '90s sex-symbol image and what she's teaching her kids by aging naturally.
Good science requires much more than evidence
Empiricists believe that scientific theories are true only if they make correct empirical predictions: if we can't verify these predictions, then there is no reason to expect that they tell us anything about reality. However, Professor of Philosophy at King's College David Kyle Johnson argues that this is mistaken. In response to Bas van Fraassen, who has written on this subject for the IAI, he argues that we have many reasons for believing a theory to be true, such as it being parsimonious and having large scope — qualities which have been used throughout the history of science as criteria for judging theories. In 2024, Princeton philosopher Bas van Fraassen wrote a short article for IAI News entitled “Science Does not Describe Reality: The Limits and Benefits of Explanation.” At the time, I was working on two projects (a science book and a Great Course) that, when completed, would (among other things) defend science’s ability to describe reality. I wanted to write a response to van Fraassen, but the projects demanded too much of my attention. But now that those projects are complete, I am in a position to explain the objections to van Fraassen’s thesis. Summarizing van Fraassen’s argumentIn a nutshell, his argument is this: What scientists do is make predictions based on theories and then invite others to test to see whether those predictions are borne out. “If theory T is right, result R should happen in experimental condition C.” Many think that running an experiment that shows that R happens in condition C is proof that theory T is true (and should be believed). But, van Fraassen argues, that R happened in condition C is only a reason to think that R happens in condition C. That’s the only observable, or empirical, result we can actually see, so that is all that we are really justified in believing. (The underlying theory that made that prediction still may or may not be true.) That is why he calls those who accept his position “empiricists.”Before I explain what is wrong with this position, let me explain what it gets right. What van Fraassen Gets RightFirst, a theory correctly predicting the results of an experiment is not, strictly speaking, “proof” that the theory is correct. The basic line of reasoning is this:If the theory T is true, result R should happen. Result R did happen. Thus, theory T is true.In other words:“If T then R. R. Thus, T.”This is a deductively invalid, fallacious mode of reasoning, called “affirming the consequent.” Those premises do not guarantee that the conclusion follows. “If I am in Pennsylvania, then I am in the USA. I am in the USA. Thus, I am in Pennsylvania.” Clearly that argument doesn’t guarantee its conclusion; neither does the above argument.However, science is not a deductive method of reasoning; it is an inductive one. And inductive arguments merely try to raise the probability of their conclusion, not “prove” them for certain. Thus, the fact that an experimental result doesn’t prove a theory is true is irrelevant; it’s not supposed to. That is not what scientific reasoning is about.___If the hypothesis that something exists clearly provides the best explanation for what we can observe, then the belief that it exists is what is rational.___Second, it’s also true that a single experimental result doesn’t provide enough justification to believe that a theory is true. Scientists do not come to a consensus about whether a theory is true by looking at a single experiment; they look at all the evidence to determine where the preponderance of evidence points. The mere fact that I am in the USA raises the probability that I am in Pennsylvania, but not nearly enough to conclude that I am in Pennsylvania. However, if I am also regularly encountering people wearing Eagles and Phillies hats and seeing advertisements for Founding Father tours, I probably am. In the same way, a theory successfully predicting the outcome of one experiment is not enough to conclude that it is true; but if a theory makes a wide variety of predictions that are all vindicated by multiple experiments, performed by many different groups and people, all actively trying to prove the theory false (which is what good scientific experiments are designed to do)—that is a good reason to conclude that the theory is true. In other words, if you repeatedly try to prove something false but can’t, that is a very good indication that it isn’t. The problem of underdeterminationIn reply, those whom van Fraassen calls “empiricists” often point to the “problem of underdetermination.” For any given theory that makes successful predictions about what happens in experimental conditions, there are countless other possible theories that make exactly the same predictions—and since they do, the experimental evidence in question is just as much reason to accept any of those theories as it is to accept our original one. Thus, the argument goes, we have no way of knowing whether our original theory is true, or one of the other “predictively equivalent” theories is true. SUGGESTED VIEWING How Occam's Razor changed the world With Johnjoe McFadden As an example of underdetermination, philosophers often offer this example. The evidence of fossils seems to provide reason to conclude that the universe is quite old; ancient fossils are what the “ancient universe” hypothesis predicts. But it’s also possible that God created an ancient-looking universe 200 years ago, complete with a “fake” fossil record for us to find, to make it look old. The existence of fossils is what that theory predicts too. So, the argument goes, the fossil record can’t be used as evidence that the universe is ancient; the fossil record supports the “200-year-old ancient-looking universe” theory just as much. The problem of underdetermination points out that, for any theory with supporting evidence, we could invent another completely different theory that predicts exactly the same evidence, and thus undermine that evidence’s ability to support the original theory.But this “argument from underdetermination” betrays a fundamental misunderstanding of what scientific reasoning is and how it works. To explain, let me use another rather strange (but very real and commonly discussed) philosophical thought experiment called “The Grue Problem.” The “Grue” ProblemSuppose I want to know what color emeralds are, so I observe a few, see that they all appear green, and form the theory that “all emeralds are green.” I thus predict that the next 100 emeralds I find will also appear to be green. And let’s say that happens, and so I thus conclude that my theory that all emeralds are green is true. Now, one might rightly point out that I don’t know for sure that all emeralds are green—I have not seen them all. Maybe some I haven’t found yet are blue. Fair enough. After all, we used to think that all swans were white, until we found some black ones. But let’s say that I go on a quest and collect every emerald in the universe—and, for the sake of the argument, let’s say I can do this, and can even know that I have every one of them. So, I collect them all, look at them all, and verify that they all appear green. Can’t I now rightly conclude that all emeralds are green?Inspired by the problem of underdetermination, a friend might argue that I cannot.Sure, they all appear green now—but there could be another kind of color called “grue.” Something is grue if it is green up to a certain point in time, but then spontaneously turns blue. And there could be an infinite number of “shades” of grue. Something that is one shade of grue will turn blue at noon today, but something that is another shade of grue will turn blue at noon tomorrow, etc. So yes, the emeralds appear green now; and since they haven’t turned blue yet, they are not some “past” shade of grue. But they might be some “future” shade of grue (e.g., they may turn blue at noon tomorrow). And since all future shades of grue are consistent with “being green up to this point in time,” the evidence you have is completely consistent with the notion that all emeralds are some future shade of grue, rather than green. Indeed, that they would appear green until now is what the “some future shade of grue” hypothesis predicts. So, we have just as much reason to conclude that all emeralds are some shade of grue as we do to conclude that they are green.You’re probably thinking “It’s not equally possible that the emeralds are grue; they are obviously green.” You are right! But explaining why your instinctive reaction to my friend’s argument is correct will help inform why van Fraassen’s “empiricist” is wrong and science actually does describe reality.The main mistake my friend makes is in thinking that the “empirical evidence” (of all the emeralds appearing green) is (or even should be) all I am using to draw the conclusion that all emeralds are green. It is not. I am also considering known facts about how colors typically work; things don’t usually change color, and when they do, they don’t do so suddenly, without cause, and all at once. So, even though the simple evidence of the emeralds all appearing green up to this point is consistent with them being some future shade of grue—that is even what the grue hypothesis “predicts”—it is still exceedingly unlikely that they are. The hypothesis that they are green is much more likely. Understanding science refutes the problem of underdetermination The misunderstanding about science that the “empiricist” pointing to “the problem of underdetermination” makes is similar to the one that my friend made. Science is not just about considering experimental evidence; in fact, it’s not even just about considering empirical evidence. As Ernan McMullin and many other philosophers of science have pointed out, the inference that makes science is “inference to the best explanation” (sometimes called “abduction” or “retroduction” by McMullin). While, depending on the circumstances, scientists use many different kinds of reasoning, science as a whole is, simply put, the process of considering multiple competing explanations and comparing them to certain criteria—explanatory criteria (the kinds of things explanations must be and do, by definition, to be a good explanation)—to see which explanation is the best.And these criteria do not deal only with empirical results. Yes, successful predictions raise the probability of a hypothesis, but it’s also the case that the more new assumptions a theory makes, the less likely it is to be true; every new assumption presents an opportunity for the theory to be false. (The fewer assumptions a theory makes, the simpler or “more parsimonious” it is said to be.) Likewise, the more existing evidence a theory contradicts, the less likely it is, because in order for a theory to be true, every piece of evidence it contradicts has to be somehow faulty. (The fewer established theories a new theory contradicts, the more “conservative” it is said to be.) And, obviously, the more something explains, the better explanation it is. (This is called having “scope.”) If a theory raises unanswerable questions, it’s not expanding our understanding, and thus is not wide-scoping. Scientists consider all these things when deciding which theory to accept, because the theory that adheres best to these explanatory criteria is most likely to be true.___the mere fact that a theory’s predictive success is why it “sticks around” or “becomes accepted” in the scientific community is not a reason to be skeptical about its truth.___The reason the grue hypothesis is no good is because it invents an entirely new kind of color—not just a new shade, but an entirely different category of color (a different way colors work)—and thus is not parsimonious. It raises unanswerable questions about how and why emeralds would just spontaneously change from green to blue (and thus does not have wide scope). And it contradicts what is already well established about how color works (and thus is unconservative).The theories that the problem of underdetermination points to do the same thing. Yes, the theory that God created an “ancient-looking universe” (complete with an ancient-looking fossil record) two hundred years ago is also consistent with the empirical evidence (of a fossil record) that presently exists; but that theory is monumentally unparsimonious (it requires many extra assumptions about infinite entities) and not wide-scoping (it raises unanswerable questions about why God would do such a thing). So, I can rationally conclude that it is false.Indeed, the history of science includes many examples of theories that were rejected because they lacked parsimony and/or scope, even before their falsity (and the truth of their competing theory) was confirmed by observation. As I point out in my book, geocentrism was rejected by the scientific community because it lacked parsimony, almost 200 years before the observation of parallax confirmed that the Earth moves around the sun. And the continuum theory of matter was completely rejected by 1860, because it couldn’t explain chemical reactions or organize matter into a periodic table, even though the experiments that eventually confirmed atomic theory weren’t even proposed until the 1870s. Solving the best of a bad lot problemIn response, the “empiricists” are likely to object, this time pointing to the “best of a bad lot” problem. “We have no reason to conclude that an explanation that has been shown to be better than others is true because we have no guarantee that the true theory was among those that we were considering.” If you have a “lot” (a collection) of poor explanations, even the best one is not true.The responses to this problem, however, are numerous. Peter Lipton argues that the set of hypotheses that scientists consider are not just randomly selected and thus unlikely to contain a theory that is true; they use existing knowledge to home in on what is most likely to be true. A doctor trying to explain abdominal pain is not going to bother wondering whether demons are causing it; they are going to stick with things like appendicitis and kidney stones, because they are most likely. Further, despite its name, inference to the best explanation is not just the process of comparing hypotheses and accepting the best one; we also want one that is a good explanation in its own right. If it’s not, we are going to keep looking until we find an explanation that is. And while that process does not guarantee that we will come across the exact truth, it’s very likely that the theory that emerges as the best will be at least approximately true, and thus we will be justified in believing it. And lastly, as I point out in my book, although many theories not based in scientific evidence (like geocentrism and continuum theory) have been completely overturned, science almost always progresses by the refinement of scientifically established theories—not their replacement. (Although our sun is not the center of the universe, heliocentrism was our first step in understanding the Earth’s true place in the universe.) So even if a theory we accept today may not be completely right, accepting it is a step on the journey toward the complete truth. The example of atomic theoryNow, it’s worth pointing out that most empiricists are not skeptical of all scientific theories; they are only skeptical of the ones that hypothesize the existence of “unobservables.” It’s not like they think that round Earth, heliocentrism, and germ theory are just useful (but untrue) “instruments” for making predictions about how to most efficiently navigate the seas, predict planetary motion, and treat diseases. They admit that the Earth actually is round, that the planets revolve around the sun, and that germs exist and cause disease. These facts and entities can be observed; the theories that suggest they exist are true. It’s only when theories start hypothesizing the existence of unobservables—like electrons, or quantum fields—that can’t be observed directly, that we should start doubting the theories’ truth. And to be fair to van Fraassen, in this published work, he doesn’t really say that we should doubt the truth of such theories. Only that scientific reasoning does not rationally force us to accept them as true. Skepticism, or agnosticism, he argues, is warranted. SUGGESTED READING Science is based in metaphor By Andrew Reynolds But the history of atomic theory throws a monkey wrench into that argument. Atoms used to be unobservable; again, scientists first accepted the theory that they exist because it had such grandiose explanatory power. But then atoms were seen with electron microscopes. They thus moved into the category of the observable. But this didn’t substantially change anything about what scientists were justified in believing; it certainly didn’t change any “atomic skeptics’” minds. It just confirmed what everyone already knew! If the hypothesis that something exists clearly provides the best explanation for what we can observe, then the belief that it exists is what is rational. The fact that the thing itself is not technically observable does not make doubting its existence rational.What’s more, the atoms were seen with an electron microscope. But electrons are themselves unobservable. How can an electron microscope reveal an atom if electrons are not real? This leads us to what is famously known as Hilary Putnam’s “miracle argument.” It’s (not) a miraclePhilosopher Hilary Putnam’s miracle argument is somewhat famous. Basically, he argued that a scientific theory being able to repeatedly make successful predictions—even about unobservables—without being at least approximately true would require a “miracle.” In other words, it would be such an improbable occurrence that it could not rationally be believed—the better explanation for why scientific theories about unobservables make the right predictions is because the unobservable entities and structures they hypothesize exist.Van Fraassen has addressed this argument. Indeed, in his original article, where he references Alison Gopnik’s point about orgasms not being “necessary for procreation” even though the desire for orgasm “drives the creation of progeny,” he is pointing to his own argument about how organisms are not naturally selected by evolution to get true beliefs; to the extent that belief-forming processes are selected for, the ones that are selected are the ones that are useful for survival—not the ones that produce true beliefs. In the same way, van Fraassen argues, scientific theories are accepted, not because they are true, but because they aren’t falsified; they make successful predictions; that’s what makes them “stick around.” So, the fact that they make successful predictions (and thus became accepted) is not a reason to think they are true.This argument is similar to C. S. Lewis’s “argument from reason,” which he used to argue against evolution: “The truth of evolution undercuts our ability to know that it is true.” Lewis’ argument famously failed; Elizabeth Anscombe, by Lewis’s own admission, demolished Lewis in a debate on the topic, and I have explained elsewhere why modified versions of the argument fail as well. In short, it’s because it fails to recognize that a belief-forming process can make an organism more likely to survive because it reliably produces true beliefs. It is therefore not the case that beliefs generated by naturally selected belief-forming processes are automatically false or unjustified.In the same way, the reason a theory “sticks around” could be because it’s not falsified, because it “makes correct predictions.” But the reason it makes correct predictions is most likely because it is true. (In pointing this out, I am echoing the arguments of Musgrave, Lipton, Psillos, and Kitcher, who refuted van Fraassen’s argument and analogy long before his 2024 article.) It would be a huge coincidence that it could do so without being true. And that is the point of Putnam’s miracle argument. Thus, contrary to van Fraassen’s suggestion, the mere fact that a theory’s predictive success is why it “sticks around” or “becomes accepted” in the scientific community is not a reason to be skeptical about its truth. ConclusionLet me close by saying something about the fact that empiricists don’t doubt the truth of all scientific theories, just the ones that hypothesize unobservables. In today’s society, this theory is dangerous to espouse publicly. The nuance between being skeptical about all of science, and just the highly technical theories about unobservables, is guaranteed to be lost to the average reader. And there is so much unjustified skepticism and doubt about the findings of science and experts that a headline like “Science Does Not Describe Reality” could easily fuel the anti-science movement, worsen climate change denial and cause the next pandemic.This is why I believe it was important to still respond to van Fraassen’s article, a full two years after he wrote it. Not only, as I have argued, does it represent a philosophically inaccurate view of how scientific reasoning works and what scientific reasoning can do, but it is a dangerous view to boot. It should thus be rejected.
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