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Google Starts Sharing All Your Text Messages With Your Employer

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Updated on Dec. 2 with Google’s response to the furor around this update.

Microsoft triggered a viral furor when it revealed a Teams update to tell your company when you’re not at work. Now Google has done the same. Forget end-to-end encryption. A new Android update means your RCS and SMS texts are no longer private.

As reported by Android Authority, “Google is rolling out Android RCS Archival on Pixel (and other Android) phones, allowing employers to intercept and archive RCS chats on work-managed devices. In simpler terms, your employer will now be able to read your RCS chats in Google Messages despite end-to-end encryption.”

This applies to work-managed devices and doesn’t affect personal devices. And in certain regulated industries it just adds RCS archiving to existing SMS archiving. But employees in regular organizations view texting as different to emailing, especially given the expectations around end-to-end encryption. That’s no longer the case.

ForbesFBI Warns Gmail And Outlook Users—Do Not Click On These Emails

This underlines the widespread misunderstanding of end-to-end encryption. The security protects your messages when they’re being sent, but once they’re on your phone, they’re decrypted and available to anyone controlling the device.

Google says this is “a dependable, Android-supported solution for message archival, which is also backwards compatible with SMS and MMS messages as well. Employees will see a clear notification on their device whenever the archival feature is active.”

Suddenly, the perk of being given a phone at work is not as good as it might seem. While employees have long been aware of the risks in over-sharing on email — a woefully insecure technology that is easy for employers to monitor, texting has been seen as different. And this isn’t just for regulated industries. All organizations can play along.

Google says “this new capability, available on Google Pixel and other compatible Android Enterprise devices gives your employees all the benefits of RCS — like typing indicators, read receipts, and end-to-end encryption between Android devices — while ensuring your organization meets its regulatory requirements.”

In response to the furor around this update, Google told me "this update does not change or impact the privacy of personal devices. This is an optional feature for enterprise-managed work phones in regulated industries where employees are already notified that their communications are archived for compliance reasons.

There has long been a concern that employees have been turning to shadow IT systems to communicate with colleagues — WhatsApp and Signal in particular. This latest update won’t help make that situation any better.

There have been questions around whether Google’s new update means other messaging app content can also be archived and shared with employers, specifically secure apps including WhatsApp and Signal. The answer is no.

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SMS and now RCS messaging is built into the phone’s OS itself, handled by Android (or iOS). Over-the-top platforms are not. They control their encryption and decryption. Their databases can be included in a general phone archive, but don’t need to be.

This is specific to general texting. “Previously,” Google says, “employers had to block the use of RCS entirely to meet these compliance requirements; this update simply allows organizations to support modern messaging — giving employees messaging benefits like high-quality media sharing and typing indicators — while maintaining the same compliance standards that already apply to SMS messaging."

Meanwhile, if you have a work managed Android phone, watch for the message that warns your texts are no longer as private as they were.

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May 2025 — Ninn Salaün

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May 11th

We report: a night such as this one, when we fell asleep to the sound of beating rain on the roof, we would not have anticipated the moon to be present. As it were, it was there almost through the night, a presence unaffected by the elements, highlighting the rain with its rays.

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The wealthy profit from public lands, and taxpayers pick up the tab - High Country News

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Stan Kroenke doesn’t need federal help to make a business flourish. He is worth an estimated $20 billion, a fortune that has allowed him to become one of America’s largest property owners and afforded him stakes in storied sports franchises, including the Denver Nuggets and England’s Arsenal soccer club.

Yet Kroenke, whose wife is an heiress to the Walmart fortune, benefits from one of the federal government’s bedrock subsidy programs.

As owner of the Winecup Gamble Ranch, which sprawls across grasslands, streams and a mountain range east of Elko, Nevada, Kroenke is entitled to graze his cattle on public lands for less than 15% of the fees he would pay on private land. The public-lands grazing program, formalized in the 1930s to contain the rampant overgrazing that contributed to the Dust Bowl, has grown to serve operations including billionaire hobby ranchers, mining companies, utilities and large corporate outfits, providing benefits unimagined by its founding law.

President Donald Trump’s administration plans to make the program even more generous — pushing to open even more of the 240 million acres of Bureau of Land Management and Forest Service grazing land to livestock while reducing oversight of the environmental damage. This, members of the administration contend, will further its goal of using public lands to fuel the economy and eliminate the national debt.

“That’s the balance sheet of America,” Secretary of the Interior Doug Burgum said of federal lands at his confirmation hearing in January, “and, if we were a company, they would look at us and say, ‘Wow, you are really restricting your balance sheet.’”

ProPublica and High Country News set out to investigate the transformation of the grazing system into a massive subsidy program. In the late 1970s, Congress raised the fees to graze on public lands to reflect open market prices at the time. But the fees have barely budged in decades. The government still charges ranchers $1.35 per animal unit month, a 93% discount, on average, on the price of grazing on private lands. (An animal unit month, or AUM, represents the typical amount of forage a cow and her calf eat in a month.) 

Our analysis found that in 2024 alone, the federal government poured at least $2.5 billion into subsidy programs that public-lands ranchers can access, not including the steep discount on forage. Subsidies benefiting public-lands ranchers include disaster assistance after droughts and floods, cheap crop insurance, funding for fences and watering holes, and compensation for animals lost to predators.

Benefits flow largely to a select few like Kroenke. Roughly two-thirds of all the livestock grazing on BLM acreage is controlled by just 10% of ranchers, our analysis showed. On Forest Service land, the top 10% of permittees control more than 50% of grazing. This concentration of control has been the status quo for decades. In 1999, the San Jose Mercury News undertook a similar study and found that the largest ranchers controlled the same proportion of grazing within BLM jurisdiction as they do today. Northwest Colorado rancher Danna Camblin, on horseback, moves her family’s herd of cattle to a new pasture to give the land time to recover.Northwest Colorado rancher Danna Camblin, on horseback, moves her family’s herd of cattle to a new pasture to give the land time to recover. Credit: Roberto 'Bear' Guerra/High Country News

“That’s the balance sheet of America, and, if we were a company, they would look at us and say, ‘Wow, you are really restricting your balance sheet.’”

Meanwhile, the agencies’ oversight of livestock’s environmental impact has declined dramatically in recent years. Lawmakers have allowed an increasing number of grazing permits to be automatically renewed, even when environmental reviews have not been completed or the land has been flagged as being in poor condition.

The Trump administration’s push to further underwrite the livestock industry supports ranchers like Kroenke, whose Winecup Gamble is advertised as covering nearly 1 million acres. More than half of that is federal public land that can support roughly 9,000 head of cattle, according to an advertisement in brokerage listings. Last year, Kroenke paid the government about $50,000 in grazing fees to use the BLM land around the ranch — an 87% discount on the market rate, according to a ProPublica and High Country News analysis of government data. Previous owners enjoyed similar economic benefits. Before Kroenke, the ranch belonged to Paul Fireman, the longtime CEO of Reebok, who used losses from companies affiliated with the ranch as a $22 million tax write-off between 2003 and 2018, internal IRS data shows. And before Fireman, it was owned by others, including Hollywood superstar Jimmy Stewart of It’s a Wonderful Life fame.

The land where Kroenke runs his cattle has been degraded by overgrazing, according to the BLM. Kroenke’s representatives did not return messages seeking comment. Fireman declined to comment.

The Trump administration’s retooling of this system is being worked out behind closed doors. In May, the BLM sent a draft of proposed revisions to federal grazing regulations — what would be the first updates to them since the 1990s — to the U.S. Department of the Interior, according to communications reviewed by ProPublica and High Country News.

In October, the administration released a 13-page “Plan to Fortify the American Beef Industry.” In addition to instructing the BLM and Forest Service to amend grazing regulations, including those that govern how ranchers obtain permits to graze their herds and how environmental damage from their animals is assessed, the plan called for increasing the subsidies available to ranchers for drought and wildfire relief, for livestock killed by predators and for government-backed insurance.

The Forest Service did not respond to requests for comment. The White House referred questions to the U.S. Department of Agriculture, which said in a statement, “Livestock grazing is not only a federally and statutorily recognized appropriate land use, but a proven land management tool, one that reduces invasive species and wildfire risk, enhances ecosystem health, and supports rural stewardship.”

In a statement, a BLM spokesperson said that the agency’s mandate includes “sustaining a healthy and economically viable grazing program that benefits rural communities, supports America’s ranching heritage, and promotes responsible stewardship of public lands. The grazing program plays an important role in local economies and land management, providing tools to reduce wildfire risk, manage invasive species, and maintain open landscapes.”

Ranchers say that taxpayers benefit from helping them continue their work, since public-lands grazing can prevent private land from being sold and paved over. Bill Fales and his family run a ranch in western Colorado that has been in his wife’s family for more than a century, and their cattle graze in the nearby White River National Forest. “The wildlife here is dependent on these ranches staying as open ranch land,” he said. As development elsewhere carves up habitat, Fales said, the public and private lands his cattle graze are increasingly shared by elk, bears, mountain lions and other species.

Ranchers and their advocates also point to the livestock industry’s production of meat, leather and wool. And as a pillar of rural economies, ranching preserves a uniquely American way of life. 

The major trade groups representing public lands ranchers did not respond to requests for comment.

While the country loses money on public-lands ranching, both ranchers and critics of the system agree on one thing: Without subsidies, many smaller operators would go out of business. Source: Forest Service and Bureau of Land Management Credit: Mapping: Lucas Waldron/ProPublica

SETTLERS COVERED MUCH OF THE WEST WITH CATTLE beginning in the mid-1800s, spurred by laws and incentives meant to realize the country’s “manifest destiny.” As the nation expanded, settlers, with the backing of the federal government and the military, seized the Indigenous land that would later be called the public domain.

Unchecked grazing followed.

“On the Western slope of Colorado and in nearby States I saw waste, competition, overuse, and abuse of valuable range lands and watersheds eating into the very heart of Western economy,” observed Rep. Edward Taylor, a Colorado Democrat, as Congress was considering how to properly manage grazing in the 1930s. “The livestock industry, through circumstances beyond its control, was headed for self-strangulation.”

In 1934, as Depression Era dust storms darkened the skies over the Great Plains, worsened by overgrazing that denuded grasslands, President Franklin D. Roosevelt signed the Taylor Grazing Act, named for the lawmaker. It divided much of the public domain into parcels, called allotments, and established a permit system to lease them a decade at a time.

Congress modernized laws governing public lands in 1976 with the passage of the Federal Land Policy and Management Act, which required federal agencies to balance competing uses, such as grazing, mining, timber, oil drilling and recreation. Two years later, Congress passed a law that brought grazing fees in line with the value of forage on the open market at the time. 

Today, ranching interest groups justify their subsidies by arguing that their livestock feed the country. According to Agriculture Department research, ranching on federal lands accounts for $3.3 billion in economic output annually and supports nearly 50,000 jobs.

But grazing on public lands sustains just 2% of the nation’s beef cattle while accounting for a vanishingly small proportion of the country’s agriculture industry.

ProPublica and High Country News’ analysis found that the government disproportionately benefits the largest ranchers, who account for a majority of public-lands grazing.

“The livestock industry, through circumstances beyond its control, was headed for self-strangulation.”

The J.R. Simplot Co. is the largest rancher on BLM land. Founded as a family business in Idaho nearly a century ago, it made a fortune in part by selling potatoes to McDonald’s. The business has since ballooned into a multinational agricultural conglomerate. J.R. Simplot benefits significantly from subsidized forage, paying $2.4 million below market rate to graze nearly 150,000 AUMs on federal lands last year, according to an analysis of BLM and Forest Service data.

The company did not respond to a request for comment.

Industrywide, the $21 million collected from ranchers by the BLM and Forest Service was about $284 million below market rate for forage last year.

Fales, the Colorado rancher, relies on access to cheaper forage on federal land. To him, it makes sense that grazing there is less expensive. “Private leases are almost always more productive land,” he said. And unlike private leases, public leases typically require ranchers to pay for the maintenance of infrastructure like fences and water tanks beyond what land-management agencies fund.

The full cost to taxpayers, including grazing’s impact on the land, is unknown.

Even before Trump began to aggressively downsize the federal workforce, it was impossible for agencies’ limited staff to monitor the public lands for environmental damage from excessive grazing. The number of BLM rangeland managers fell by 39% from 2019 through 2024, according to the most recent Office of Personnel Management data. By June 2025, after the Trump administration spurred a mass exodus from the federal workforce, the number had shrunk by another 9%, according to internal BLM employment data.

Now, each rangeland manager is responsible for an average of 716 square miles, making it impossible for them to inspect their entire territory every year, BLM employees said.

On the Winecup Gamble Ranch near the Nevada-Utah border, billionaire owner Stan Kroenke has access to steeply discounted forage on more than half a million acres of Bureau of Land Management grazing allotments. Roberto ‘Bear’ Guerra/High Country News

FOR MANY OF THE COUNTRY’S LARGEST RANCHERS, the benefits of running cattle on public lands extend beyond profits from selling beef.

In June, Air Force Two landed in Butte, Montana, where Vice President JD Vance transferred to a motorcade of black SUVs that shuttled him south to a sprawling cattle operation near Yellowstone National Park. Vance had traveled to this remote ranch to meet with its owner — Rupert Murdoch, the billionaire founder of Fox News.

In 2021, Murdoch purchased the Beaverhead Ranch for $200 million from a subsidiary of Koch Industries, the conglomerate controlled by conservative billionaire Charles Koch. Peggy Rockefeller Dulany, an heir to the Rockefeller fortune, owns a massive ranch nearby. Dulany’s ranch did not respond to a request for comment. 

“This is a profound responsibility,” Murdoch told The Wall Street Journal through a spokesperson when he bought the ranch. “We feel privileged to assume ownership of this beautiful land and look forward to continually enhancing both the commercial cattle business and the conservation assets across the ranch.”

Ultrawealthy families like the Murdochs, Kochs and Rockefellers own cattle ranches for a variety of reasons. Some want a taste of cowboy-themed luxury or the status gained from controlling vast and beautiful landscapes.

For some, it’s also good business. Even hobby ranches qualify for big property tax breaks in certain jurisdictions. Business expenses related to ranching can be deducted from federal taxes. And federal agencies assign grazing permits to the owners of nearby private ranches, called “base properties,” inflating the value of those properties and making them stable long-term investments. Real estate agents touted Murdoch’s ranch as encompassing 340,000 acres, but two-thirds of that land is public and leased from the Forest Service and BLM.

As with Kroenke’s operation, taxpayers help underwrite grazing at Murdoch’s ranch.

Beaverhead paid less than $25,000, 95% below market rate, to graze on federal lands last year, according to an analysis of agency data.

At least one of Beaverhead’s BLM allotments in the picturesque Centennial Valley — a several-thousand-acre parcel known as Long Creek AMP — is failing environmental standards as a result of grazing. Matador Ranch and Cattle, which was formed from the aggregation of Beaverhead and a smaller ranch purchased by Murdoch in 2021, declined to comment for this story. 

“We feel privileged to assume ownership of this beautiful land and look forward to continually enhancing both the commercial cattle business and the conservation assets across the ranch.”

Public-lands grazing can also help advance unrelated businesses. The Southern Nevada Water Authority, which serves the Las Vegas Valley, is continually searching for new sources of water. Beginning in the 2000s, the utility purchased land hundreds of miles from Las Vegas in order to acquire its groundwater rights. Those properties were associated with public-lands grazing permits, which the utility inherited. Bronson Mack, the water authority’s spokesperson, said in a statement that it continues the grazing operation as part of its “maintenance and management of property assets, ranch assets, and environmental resources in the area.”

Mining companies are among the biggest public-lands ranchers, in part because grazing permits afford them greater control over areas near their mines. Copper-mining companies like Freeport-McMoRan, Hudbay Minerals and Rio Tinto all run large cattle operations in Arizona, for example.

A Hudbay representative sent a statement that said, “Ranching and mining have coexisted in Arizona for generations, and we operate both with the same commitment to land stewardship and care for our neighboring communities.” The other companies did not respond to requests for comment.

Nevada Gold Mines, which owns 11 ranches surrounding its northern Nevada operations, is the behemoth of the group. A joint venture between the world’s two largest gold-mining companies, the company holds millions of acres of grazing permits.

“We own them for access,” explained Chris Jasmine, the company’s manager of biodiversity and rangelands. “Access to mineral rights, water rights and mitigation credits.”

Many of Nevada Gold Mines’ grazing permits surround its open pits, including the largest gold-mining complex in the world. Access to that land makes it easier for the company to participate in programs that give it credits in exchange for environmental restoration projects. Then, the company can either sell these credits to other companies or use them to offset its environmental impacts and expand its mines.

Jeff Burgess, who tracks grazing subsidies via a website he calls the Arizona Grazing Clearinghouse, said such massive government assistance provides little benefit to taxpayers.

“When does the spigot stop? When do we stop throwing away money?” asked Burgess. “It’s a tyranny of the minority.” Cattle congregate at a watering hole (bottom left) near northern Nevada’s Cortez Mountains, cutting paths into a checkerboard of public BLM lands and private Nevada Gold Mines property, including the massive Goldstrike Mine north of Carlin, Nevada (top). Chris Jasmine, (bottom right) oversees a livestock operation for Nevada Gold Mines that grazes around 5,000 head of cattle on public and private lands. Roberto ‘Bear’ Guerra/High Country News

IN CENTRAL NEVADA’S REESE RIVER VALLEY, A RED BRICK farmhouse that once served as the headquarters of the Hess Ranch has been reduced to crumbling chimneys and shattered windows. Despite its dilapidated appearance, this ranch is one of the private base properties that has allowed a little-known company called BTAZ Nevada to assemble a livestock empire that stretches across roughly 4,000 square miles of public lands, according to a Western Watersheds Project analysis of BLM and Forest Service data.

This empire illustrates the livestock industry’s consolidation, the subsidies that prop it up and the environmental harm that often follows. 

Based in Fremont, Nebraska, BTAZ belongs to the Barta family, which owns Sav-Rx, an online provider of prescription medication. The contact phone number BTAZ provided to the BLM is a Sav-Rx customer service line. The family patriarch, Jim Barta, was convicted in 2013 on felony charges for conspiracy to commit bribery. (The conviction was overturned after a judge ruled that Barta had been subjected to entrapment. Barta has since died.)

“We own them for access. Access to mineral rights, water rights and mitigation credits.”

The Bartas’ operation, now among the largest beneficiaries of the public-land grazing system, includes permits in Nevada, Oregon and Nebraska. Last year, BTAZ paid the government $86,000, $679,000 less than the market rate, according to agency data.

In the Toiyabe Range of Nevada, where BTAZ’s BLM and Forest Service grazing allotments border each other, cow feces covered the ground around a stock tank fed by mountain streams. A dead raven floated on the water’s surface. The BLM listed allotments in this area as failing land-health standards due to grazing in 2020 and again in 2024.

Higher in the mountains, the evidence of BTAZ’s grazing was even clearer: swaths of ground chewed and trampled bare, discarded plastic piping, cow feces and bones in an unfenced creek. Streams like these were once suitable habitat for native Lahontan cutthroat trout. But activities such as grazing and development have degraded so much habitat that the threatened species now occupies only 12% of its historical range, according to a 2023 survey by the U.S. Fish and Wildlife Service.

“This is completely unnecessary,” Paul Ruprecht, Nevada director of the Western Watersheds Project, said as he surveyed the damage. “It’s not supporting the local economy, at least in any major way; it’s not providing significant amounts of food for anyone; it’s being heavily subsidized at every turn by taxpayers; it’s not adding anything to the scenery or the wildlife.”

BTAZ did not respond to requests for comment. Paul Ruprecht, Nevada director of the Western Watersheds Project, examines a water trough that straddles a boundary between BLM and Forest Service lands in central Nevada’s Reese River Valley and is used by a BTAZ herd (left). On a BTAZ grazing allotment, cow bones litter the ground near a degraded creek, the type of ecosystem that once supported the threatened Lahontan cutthroat trout (right). Roberto ‘Bear’ Guerra/High Country News

SMALLER RANCHERS HAVE ACCESS TO MOST OF THE SAME subsidies as the wealthiest ranchers, but the money isn’t enough to protect them from harsh economic headwinds.

Roughly 18,000 permittees graze livestock on BLM or Forest Service land. The bottom half accounts for less than 4% of the AUMs on BLM land and less than 10% of those on Forest Service land, an analysis of the agencies’ data found.

The smaller operations lack the economies of scale available to larger corporations, making it difficult for them to survive on agriculture’s thin profit margins. They’re also more vulnerable to shifting conditions on the ground. Climate change has strained their water supplies. And more than 70,000 wild horses and burros now compete with livestock for forage.

Consolidation in the meatpacking industry is further squeezing ranchers. The four largest operations have taken over more than 80% of the market, giving them leverage to lower the prices paid to ranchers.

Burgess argues the federal government should stop supporting ranchers who would otherwise go out of business. “They refuse to face the reality that a lot of people aren’t going to be able to raise cattle profitably, so they’re just throwing money at it,” he said, calling the system “a vestige of the past.” Mike Camblin (left) and his wife, Danna (right), ranchers in northwest Colorado, use virtual fencing technology to move their cattle (below). Roberto ‘Bear’ Guerra/High Country News

That could have ripple effects, shuttering businesses in rural towns. It could also force small ranchers to sell their private land — perhaps to developers who would build on the open spaces, perhaps to wealthy owners like Kroenke or BTAZ.

Mike and Danna Camblin run a small cattle operation near the Yampa River in northwest Colorado. Years of drought have forced them to downsize their herd, while each year they must tie up much of their money in their operation until they can sell their animals. Even with beef prices breaking records, they couldn’t turn a profit without subsidized drought insurance and other government support — including the ability to graze cheaply on federal land.

“Most of these BLM leases have been in the family for years and years, and, if you take care of it, the BLM will allow you to continue to stay,” Mike Camblin said. If they lose their federal grazing permits or otherwise can’t make the economics work, the Camblins might have to sell their private land. Camblin has mixed feelings about the influence of government assistance on his industry, saying it “tethers us to those subsidies.”

“That’s where they screwed up, they started subsidizing a lot of these guys clear back in the Dust Bowl,” Camblin said of the biggest ranches. Some larger operators who don’t need government assistance take advantage of the system, he said, speaking favorably of an income-based metric that limits richer producers’ access to certain agricultural subsidies.

Smaller ranchers’ precarious financial situation can lead to environmental harm, as they may run too many livestock for too long on federal land where grazing is cheaper.

The Camblins make environmental stewardship part of their operation — monitoring soil and plant health and rotating their several hundred head of cattle among pastures to let the ground rest — but that adds costs.

“A cow turd will tell you more than anything else,” Camblin remarked as he eyed a fresh one left by his cattle. If it’s flat, that means the cow is getting enough protein from the grass, he said. If it degrades rapidly, that means insects are attracted to the plentiful organic matter. “I spend more time looking down than at the cattle.”

If the Camblins lose their federal grazing permits, they might have to sell their private land.

Technology helps them rotate their herds. Danna Camblin’s smartphone displayed a satellite view of the area that showed purple cow icons confined within red polygons — virtual fences that shock the cattle via collars should they stray. Unlike physical fences, virtual fences don’t get in the way of migrating wildlife, and the Camblins can redraw them in an instant to shift their cattle to less-grazed areas.

Leasing the collars for the system cost nearly $18,000 last year, Mike Camblin said.

Silvia Secchi, a University of Iowa economist who studies agriculture, said federal grazing subsidies need to be reimagined so they benefit the American public instead of enriching the wealthiest ranchers. She suggested potential solutions like subsidizing co-ops that allow smaller ranchers to access economies of scale, capping the size of ranching operations that pay below market rate for forage and ending disaster payments for climate change-fueled droughts that are here to stay.

“We have baseline subsidies that are going up and up and up because we are not telling farmers to change the way you do things to adapt,” Secchi said.

Secchi and the Camblins agree that ending all public support would have repercussions for rural communities and landscapes. Mike Camblin acknowledged it could put his and Danna’s operation at risk.

“You’re going to lose your small rancher,” he said.   As part of the virtual fencing technology they utilize, the Camblin’s cattle wear collars that give a cow a shock if it strays. Credit: Roberto 'Bear' Guerra/High Country News

For more information about the data and analyses used in this story, visit hcn.org/grazing-data.

Gabriel Sandoval of ProPublica contributed additional research.

This story is part of High Country NewsConservation Beyond Boundaries project, which is supported by the BAND Foundation. Additional financial support provided by the Fund for Investigative Journalism.

Aerial support provided by LightHawk.

We welcome reader letters. Email High Country News at editor@hcn.org or submit a letter to the editor. See our letters to the editor policy.

This article appeared in the December 2025 print edition of the magazine with the headline “Free Range.”  

Spread the word. News organizations can pick-up quality news, essays and feature stories for free.

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Republish our articles for free, online or in print, under a Creative Commons license.

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A dementia vaccine could be real, and some of us have taken it without knowing | BBC Science Focus Magazine

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A shingles vaccine could reduce your risk of dementia by 20 per cent or slow the progression of the disease once you’ve got it, according to recent research led by Stanford University, in the US.

If these findings can be backed up in future research, the vaccine – which is already available – could be used to help prevent and treat dementia: an incurable disease that affects an estimated 57 million people globally.

In a study published in Nature, the scientists analysed the health records of more than 280,000 adults in Wales between the ages of 71 and 88 years old. They were aiming to understand the effects of a shingles vaccination programme that began in 2013.

They found that older adults (aged 79–80) who had received the shingles vaccine were 20 per cent less likely to develop dementia by 2020, compared to those who hadn’t been eligible to receive it.

Senior author Dr Pascal Geldsetzer, assistant professor of medicine at Stanford, said this was “a really striking finding,” adding: “This huge protective signal was there, any which way you looked at the data.”

What’s more, in a recent follow-up study published in Cell, the same scientists discovered that the shingles vaccine seemed to have a protective effect even among those who’d already been diagnosed with dementia by 2013.

Of the 7,049 Welsh adults included in the study who had dementia, nearly half had died within the following nine years. But among those who had received the shingles vaccine, only 30 per cent had died.

“The most exciting part is that this really suggests that the shingles vaccine doesn’t have only preventive, delaying benefits for dementia, but also therapeutic potential for those who already have dementia,” said Geldsetzer.

An illustration of the Varicella zoster virusAn illustration of the Varicella zoster virus, which causes chickenpox and shingles - Credit: Getty images

Previous studies have already pointed to a potential link between the shingles vaccine and dementia protection, but all of them were weakened by the fact that those who get vaccinated tend to also lead healthier lives in general (so their protection from dementia may have come from elsewhere).

But in this study, that bias wasn’t such a problem. That’s because the vaccination programme was only eligible to a specific group of people: those who were 79 years old on 1 September 2013.

“We know that if you take a thousand people at random born in one week, and a thousand people at random born a week later, there shouldn’t be anything different about them on average,” said Geldsetzer. “They are similar to each other apart from this tiny difference in age.”

In other words: the scientists could directly compare two groups, with the same average mixture of more health-conscious and less health-conscious people, born only a week apart. The only difference between them was their eligibility for this vaccine – making its efficacy against dementia much easier to spot.

Shingles is an infection caused by the Varicella zoster virus – the bug to blame for chickenpox. Its symptoms include a painful rash, burning or tingling feelings, headaches, fever and fatigue.

The virus affects the nervous system, but scientists aren’t yet sure exactly how a shingles vaccine might protect the brain from cognitive decline.

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The Judge at the End of Europe by Yanis Varoufakis - Project Syndicate

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When, in a few years’ time, almost everyone is claiming that they opposed Israel’s war crimes in Gaza, the world will remember Judge Nicolas Guillou of the International Criminal Court fondly. But the world will also remember how Europe’s leaders collaborated with Donald Trump by enforcing baseless US sanctions against Guillou.

ATHENS – Let us, for a moment, entertain the fanciful hypothesis that Europe cares about its values. Imagine a Europe where the principles so lavishly inscribed upon the banners of the European project – the rule of law, the dignity of the individual, a commitment to strategic autonomy – are more than just rhetorical filigree for grand speeches in Brussels.

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Curiosity Cracked Open a Rock on Mars And Revealed a Big Surprise : ScienceAlert

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A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

When the rover rolled its 899-kilogram (1,982-pound) body over the fragile lump of mineral in May of last year, the deposit broke open, revealing yellow crystals of elemental sulfur, known as brimstone.

Although sulfates are fairly common on Mars, this represented the first sulfur in its pure elemental form found on the red planet.

Related: Curiosity Finds First In Situ Evidence of Carbon Cycle on Ancient Mars

What's even more exciting is that the Gediz Vallis Channel, where Curiosity found the rock, is littered with objects that look suspiciously similar to the sulfur rock before it got fortuitously crushed – suggesting that, somehow, elemental sulfur may be abundant there in some places.

Watch the video below for a summary:

YouTube Thumbnail

"Finding a field of stones made of pure sulfur is like finding an oasis in the desert," said Curiosity project scientist Ashwin Vasavada of NASA's Jet Propulsion Laboratory in July 2024.

"It shouldn't be there, so now we have to explain it. Discovering strange and unexpected things is what makes planetary exploration so exciting."

Sulfates are salts that form when sulfur, usually in compound form, mixes with other minerals in water.

When the water evaporates, the minerals mix and dry out, leaving the sulfates behind.

These sulfate minerals can tell us a lot about Mars, such as its water history, and how it has weathered over time.

Yellow crystals that were revealed after NASA's Curiosity happened to drive over a rock and crack it openThe sulfur Curiosity found on Mars. (NASA/JPL-Caltech/MSSS)

Pure sulfur, on the other hand, only forms under a very narrow set of conditions, which are not known to have occurred in the region of Mars where Curiosity made its discovery.

There are a lot of things we don't know about the geological history of Mars, but the discovery of scads of pure sulfur just hanging about on the Martian surface suggests that there's something pretty big that we're not aware of.

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Sulfur, it's important to understand, is an essential element for all life. It's usually taken up in the form of sulfates, and used to make two of the essential amino acids living organisms need to make proteins.

Since we've known about sulfates on Mars for some time, the discovery doesn't tell us anything new in that area. We're yet to find definite signs of life on Mars, anyway.

But we do keep stumbling across the remains of bits and pieces that living organisms would find useful, including chemistry, water, and past habitable conditions.

Stuck here on Earth, we're fairly limited in how we can access Mars.

Curiosity's instruments were able to analyze and identify the sulfurous rocks in the Gediz Vallis Channel, but if it hadn't taken a route that rolled over and cracked one open, it could have been sometime until we found the sulfur.

A rock very similar to the one broken by Curiosity, photographed nine days after the sulfur discovery. (NASA/JPL-Caltech/MSSS)

The next step will be to figure out exactly how, based on what we know about Mars, that sulfur may have come to be there.

That's going to take a bit more work, possibly involving some detailed modeling of Mars's geological evolution.

Meanwhile, Curiosity will continue to collect data on the same.

Related: Mysterious Streaks on The Slopes of Mars Might Finally Be Solved

The Gediz Vallis channel is an area rich in Martian history, an ancient waterway whose rocks now bear the imprint of the ancient river that once flowed over them, billions of years ago.

Curiosity is still trundling its way along the channel, to see what other surprises might be waiting just around the next rock.

You can follow Curiosity's adventures in the rover's science update blog.

A collage of holes drilled in red and grey rocksCuriosity has collected 42 powderized rock samples with the drill on the end of its robotic arm. All 42 holes made by the drill are shown here. (NASA/JPL-Caltech/MSSS)

And more than five years into its own mission, NASA's Mars Perseverance rover is still ambling across the surface of the red planet, doing what any five-year-old loves to do – stopping to look at every rock on its path.

One of its latest discoveries happens to look surprisingly out of place, prompting scientists to wonder if it may not have come from Mars at all.

Related: Life on Mars? NASA's Stunning Discovery Is The Best Evidence Yet

On June 19 this year, the six-wheeled explorer set a new record, officially completing the longest road trip of any robot vehicle on another planet.

In a single drive, the rover rolled over 411 meters of Mars' rocky surface. That may not sound like much, but compared to Curiosity and Opportunity, which inch along at a relative snail's pace, Percy is a speed demon.

The Mars robots really are a marvel. They represent the intrepidity of the human spirit, resilience, and determination. And, of course, our boundless curiosity about the Universe in which we live.

An earlier version of this article was published in July 2024.

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