World
Sensors can read your sweat and predict overheating. Here's why privacy advocates care
On a hot summer day in Oak Ridge, Tennessee, dozens of men removed pipes, asbestos and hazardous waste while working to decontaminate a nuclear facility and prepare it for demolition.
Dressed in head-to-toe coveralls and fitted with respirators, the crew members toiling in a building without power had no obvious respite from the heat. Instead, they wore armbands that recorded their heart rates, movements and exertion levels for signs of heat stress.
Stephanie Miller, a safety and health manager for a U.S. government contractor doing cleanup work at the Oak Ridge National Laboratory, watched a computer screen nearby. A color-coding system with little bubbles showing each worker’s physiological data alerted her if anyone was in danger of overheating.
“Heat is one of the greatest risks that we have in this work, even though we deal with high radiation, hazardous chemicals and heavy metals,” Miller said.
As the world experiences more record high temperatures, employers are exploring wearable technologies to keep workers safe. New devices collect biometric data to estimate core body temperature – an elevated one is a symptom of heat exhaustion – and prompt workers to take cool-down breaks.
The devices, which were originally developed for athletes, firefighters and military personnel, are getting adopted at a time when the Atlantic Council estimates heat-induced losses in labor productivity could cost the U.S. approximately $100 billion annually.
This article is part of AP’s Be Well coverage, focusing on wellness, fitness, diet and mental health. Read more Be Well.
But there are concerns about how the medical information collected on employees will be safeguarded. Some labor groups worry managers could use it to penalize people for taking needed breaks.
“Any time you put any device on a worker, they’re very concerned about tracking, privacy, and how are you going to use this against me,” said Travis Parsons, director of occupational safety and health at the Laborers’ Health and Safety Fund of North America. “There’s a lot of exciting stuff out there, but there’s no guardrails around it.”
VULNERABLE TO HEAT
At the Tennessee cleanup site, the workers wearing heat stress monitors made by Atlanta company SlateSafety are employed by United Cleanup Oak Ridge. The company is a contractor of the U.S. Department of Energy, which has rules to prevent on-the-job overheating.
But most U.S. workers lack protections from extreme heat because there are no federal regulations requiring them, and many vulnerable workers don’t speak up or seek medical attention. In July, the Biden administration proposed a rule to protect 36 million workers from heat-related illnesses.
From 1992 to 2022, 986 workers died from heat exposure in the U.S., according to the Environmental Protection Agency. Experts suspect the number is higher because a coroner might not list heat as the cause of death if a sweltering roofer takes a fatal fall.
Setting occupational safety standards can be tricky because individuals respond differently to heat. That’s where the makers of wearable devices hope to come in.
HOW WEARABLE HEAT TECH WORKS
Employers have observed workers for heat-related distress by checking their temperatures with thermometers, sometimes rectally. More recently, firefighters and military personnel swallowed thermometer capsules.
“That just was not going to work in our work environment,” Rob Somers, global environment, health and safety director at consumer product company Perrigo, said.
Instead, more than 100 employees at the company’s infant formula plants were outfitted with SlateSafety armbands. The devices estimate a wearer’s core body temperature, and a reading of 101.3 degrees triggers an alert.
Another SlateSafety customer is a Cardinal Glass factory in Wisconsin, where four masons maintain a furnace that reaches 3000 degrees Fahrenheit.
“They’re right up against the face of the wall. So it’s them and fire,” Jeff Bechel, the company’s safety manager, said.
Cardinal Glass paid $5,000 for five armbands, software and air-monitoring hardware. Bechel thinks the investment will pay off; an employee’s two heat-related emergency room visits cost the company $15,000.
Another wearable, made by Massachusetts company Epicore Biosystems, analyzes sweat to determine when workers are at risk of dehydration and overheating.
“Until a few years ago, you just sort of wiped (sweat) off with a towel,” CEO Rooz Ghaffari said. “Turns out there’s all this information packed away that we’ve been missing.”
Research has shown some devices successfully predict core body temperature in controlled environments, but their accuracy remains unproven in dynamic workplaces, according to experts. A 2022 research review said factors such as age, gender and ambient humidity make it challenging to reliably gauge body temperature with the technology.
The United Cleanup Oak Ridge workers swathed in protective gear can get sweaty even before they begin demolition. Managers see dozens of sensor alerts daily.
Laborer Xavier Allison, 33, was removing heavy pieces of ductwork during a recent heat wave when his device vibrated. Since he was working with radioactive materials and asbestos, he couldn’t walk outside to rest without going through a decontamination process, so he spent about 15 minutes in a nearby room which was just as hot.
“You just sit by yourself and do your best to cool off,” Allison said.
The armband notifies workers when they’ve cooled down enough to resume work.
“Ever since we implemented it, we have seen a significant decrease in the number of people who need to get medical attention,” Miller said.
COLLECTING PERSONAL DATA
United Cleanup Oak Ridge uses the sensor data and an annual medical exam to determine work assignments, Miller said. After noticing patterns, the company sent a few employees to see their personal physicians, who found heart issues the employees hadn’t known about, she said.
At Perrigo, managers analyze the data to find people with multiple alerts and speak to them to see if there’s “a reason why they’re not able to work in the environment,” Somers said. The information is organized by identification numbers, not names, when it goes into the company’s software system, he said.
Companies keeping years of medical data raises concerns about privacy and whether bosses may use the information to kick an employee off a health plan or fire them, said Adam Schwartz, privacy litigation director at the Electronic Frontier Foundation.
“The device could hurt, frankly, because you could raise your hand and say ‘I need a break,’ and the boss could say, ‘No, your heart rate is not elevated, go back to work,’” Schwartz said.
To minimize such risks, employers should allow workers to opt in or out of wearing monitoring devices, only process strictly necessary data and delete the information within 24 hours, he said.
Wearing such devices also may expose workers to unwanted marketing, Ikusei Misaka, a professor at Tokyo’s Musashino University, said.
A PARTIAL SOLUTION
The National Institute for Occupational Safety and Health advises employers to institute a plan to help workers adjust to hot conditions and to train them to recognize signs of heat-related illness and to administer first aid. Wearable devices can be part of efforts to reduce heat stress, but more work needs to be done to determine their accuracy, said Doug Trout, the agency’s medical officer.
The technology also needs to be paired with access to breaks, shade and cool water, since many workers, especially in agriculture, fear retaliation for pausing to cool off or hydrate.
“If they don’t have water to drink, and the time to do it, it doesn’t mean much,” Juanita Constible, senior advocate at the National Resources Defense Council, said. “It’s just something extra they have to carry when they’re in the hot fields.”
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Yuri Kageyama in Tokyo contributed to this report.
World
Trump targets Maduro as Western Hemisphere becomes ‘first line of defense’ in new strategy
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The Trump administration has moved its hemispheric security doctrine into full force in Venezuela, ordering a sweeping naval blockade on sanctioned oil tankers and labeling Nicolás Maduro’s government a Foreign Terrorist Organization — a dramatic escalation aimed at choking off the regime’s primary source of revenue and confronting what the White House calls a growing threat of cartel-driven “drug terrorism” and foreign influence in the region.
Announcing the move on social media, Trump said Venezuela was now “completely surrounded by the largest Armada ever assembled in the history of South America,” a strike at an oil sector that accounts for roughly 88% of the country’s export earnings.
The administration’s new National Security Strategy (NSS) places the Western Hemisphere at the center of U.S. national security planning, elevating regional instability, mass migration, cartels and foreign influence as direct challenges to American security. While the document does not single out Venezuela by name, its framework positions crises like Venezuela’s collapse as central to protecting what the strategy calls America’s “immediate security perimeter.”
MADURO’S FORCES FACE RENEWED SCRUTINY AS US TENSIONS RISE: ‘A FORTRESS BUILT ON SAND’
According to the NSS, U.S. policy toward the hemisphere now focuses on preventing large-scale migration, countering “narco-terrorists, cartels, and other transnational criminal organizations,” and ensuring the region remains “reasonably stable and well-governed enough to prevent and discourage mass migration.” It also pledges to assert a “Trump Corollary” to the Monroe Doctrine, aimed at blocking “hostile foreign incursion or ownership of key assets” by strategic competitors.
A senior White House official said the Western Hemisphere chapter is designed to “reassert American preeminence in the Western Hemisphere” by strengthening regional security partnerships, curbing drug flows and preventing pressures that fuel mass migration. The official said the strategy situates the hemisphere as a foundational element of U.S. defense and prosperity.
Newly released footage shows U.S. forces securing a Venezuelan oil tanker. (@AGPamBondi via X)
White House spokesperson Anna Kelly said the NSS reflects what the administration sees as a historic realignment of U.S. foreign policy. “President Trump’s National Security Strategy builds upon the historic achievements of his first year back in office, which has seen his Administration move with historic speed to restore American strength at home and abroad and bring peace to the world,” Kelly told Fox News Digital.
“In less than a year, President Trump has ended eight wars, persuaded Europe to take greater responsibility for its own defense, facilitated US-made weapons sales to NATO allies, negotiated fairer trade deals, obliterated Iran’s nuclear facilities, and more.” The strategy, she added, is designed to ensure “America remains the greatest and most successful nation in human history.”
Melissa Ford Maldonado, director of the Western Hemisphere Initiative at the America First Policy Institute, said Venezuela illustrates why the hemisphere is now treated as America’s “first line of defense.”
“The Maduro regime functions as a narco-dictatorship closely tied to criminal cartels, which are now considered foreign terror organizations, and supported by China, Iran, and Russia,” she said. “Confronting this criminal regime is about keeping poison off our streets and chaos off our shores.”
MADURO’S FORCES FACE RENEWED SCRUTINY AS US TENSIONS RISE: ‘A FORTRESS BUILT ON SAND’
President Donald Trump signs a series of executive orders at the White House on Jan. 20, 2025, in Washington, DC. Trump’s new National Security Strategy puts the Western Hemisphere at the center of U.S. security planning, a senior official said. (Jabin Botsford /The Washington Post via Getty Images)
She called the NSS “the most radical and long-overdue change in U.S. foreign policy in a generation,” arguing that instability in Latin America now reaches the United States “in real time” through migration surges, narcotics trafficking and foreign intelligence networks.
Some analysts caution that the strategy’s sharper posture could become destabilizing if pressure escalates into a confrontation.
Roxanna Vigil, a fellow at the Council on Foreign Relations, said the path ahead depends heavily on how forceful the administration’s approach becomes. “If it goes in the direction of escalation and conflict, that means there’s going to be very little control,” she said. “If there is a power vacuum, who fills it?”
HEGSETH HINTS MAJOR DEFENSE SPENDING INCREASE, REVEALS NEW DETAILS ON TRUMP’S ANTI-NARCOTERRORISM OPERATIONS
Venezuela’s president, Nicolás Maduro. (AP)
Vigil warned that without a negotiated transition, a sudden collapse could produce outcomes “potentially worse than Maduro.” She said armed groups, hardline regime actors and cartel-linked networks would all compete for power, with potential spillover effects across a region already strained by mass displacement.
Jason Marczak, vice president of the Atlantic Council’s Adrienne Arsht Latin America Center, said the NSS underscores why the administration views Maduro’s continued rule as incompatible with its regional priorities.
“All of those goals cannot be accomplished as long as Nicolás Maduro or anybody close to him remains in power,” he said, pointing to the strategy’s focus on migration, regional security and countering foreign influence. “Venezuela is a conduit for foreign influence in the hemisphere.”
US SET TO SEIZE TENS OF MILLIONS IN VENEZUELAN OIL AFTER TANKER INTERCEPTION, WHITE HOUSE SAYS
In this April 13, 2019 file photo, Venezuela’s President Nicolas Maduro, speaks flanked by Defense Minister Vladimir Padrino Lopez, right, and Gen. Ivan Hernandez, second from right, head of both the presidential guard and military counterintelligence in Caracas, Venezuela. (Ariana Cubillos/AP Photo)
Marczak said Venezuelans “were ready for change” in the 2024 election, but warned that replacing Maduro with another insider “doesn’t really accomplish anything.” He argued that only a democratic transition would allow Venezuela to re-enter global markets and stabilize the region.
Both Marczak and Vigil noted that the danger extends beyond Maduro to the criminal ecosystem and foreign partnerships that sustain his rule. Without a negotiated transition, Vigil said, the forces most likely to prevail are those already controlling territory: militias, cartel-linked groups and pro-Chavista power brokers.
Ford-Maldonado said that reality is precisely why the administration’s strategy elevates Venezuela’s crisis within its broader Western Hemisphere doctrine.
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Military strikes on suspected narco-trafficking vessels have killed some 37 people since September. (Department of War)
“Confronting a narco-regime tied to foreign adversaries is not a distraction from America First — it’s the clearest expression of it,” she said. “What’s ultimately being defended are American lives, American children, and American communities.”
The administration’s adoption of a “Trump Corollary” to the Monroe Doctrine indicates a more assertive U.S. stance toward the hemisphere, framing Venezuela not only as a humanitarian or political crisis but as a critical test of the strategy’s core principles: migration control, counter-cartel operations and limiting foreign adversaries’ reach. Within this framework, experts say the consequences of inaction could create security risks that extend well beyond Venezuela’s borders.
World
Louvre reopens partially after workers extend strike in aftermath of heist
Some areas of the world’s most visited museum were not accessible to the public on Wednesday due to the strike.
Published On 17 Dec 2025
The Louvre management has said the landmark Paris museum was partially reopened on Wednesday amid an ongoing strike by workers in the wake of purportedly difficult conditions after the stunning jewel heist in October.
“The museum is open, but some areas are not accessible due to the industrial action,” a spokeswoman said.
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The world’s most visited museum also confirmed the partial reopening in the morning on social media, saying some rooms are closed due to strike action.
Hundreds of tourists lined up outside the Louvre on Wednesday as its opening was delayed while unions voted on continuing a strike over working conditions.
The museum had closed its doors to thousands of disappointed visitors on Monday after workers went on strike and protested outside the entrance. The museum is routinely closed on Tuesdays.
“We don’t know yet if we’ll open. You have to come back later,” security guards told visitors hoping to enter the museum early in the morning.
Union representatives of the 2,200-strong workforce have said they had warned for years before the daylight robbery in October about staff shortages and disrepair inside the place where world-famous works like Leonardo da Vinci’s Mona Lisa are kept.
The vote by the employees on Monday to observe a strike, which was extended on Wednesday, came after the staff expressed their anger at the museum’s management and said conditions have deteriorated after the heist.
They have also found the measures proposed by Ministry of Culture officials, including cancelling planned cuts in 2026, to be insufficient to cancel the strike so far.
Louvre director Laurence des Cars has faced intense criticism since burglars made off with crown jewels worth 88 million euros ($103m). She is due to answer questions from the French Senate on Wednesday afternoon.
In what was seen as a sign of mounting pressure on Louvre leadership, the Culture Ministry announced emergency anti-intrusion measures last month and assigned Philippe Jost, who oversaw the Notre Dame restoration, to help reorganise the museum.
Nearly 9 million people visited the museum in 2023, or roughly 30,000 visitors per day.
World
Team Races Against Time to Save a Tangled Sea Lion in British Columbia
A team of marine mammal experts had spent several days in Cowichan Bay, British Columbia, searching for a sea lion with an orange rope wrapped around its neck. As the sun set on Dec. 8, they were packing up, for good, when a call came in.
The tangled animal, a female Steller sea lion weighing 330 pounds, had been spotted on a dock in front of an inn, leading into the bay in southwestern Canada.
The rope was wrenched four times around her neck, carving a deep gash. Without help, the sea lion would die.
The team had been trying to find the sea lion for a month, and on that day, with daylight running out, the nine members that day knew they needed to work fast. They relaunched their boats and a team member loaded a dart gun and shot her with a sedative.
“Launching the dart is the easiest part of the whole operation,” said Dr. Martin Haulena, executive director of the Vancouver Aquarium Marine Mammal Rescue Society, which conducted the rescue alongside Fisheries and Oceans Canada. “It’s everything that happens after that, that you just have no control over.”
Steller sea lions, also known as northern sea lions, are the largest such breed. They are found as far south as Northern California and in parts of Russia and Japan. A male Steller sea lion can weigh up to 2,500 pounds.
The Cowichan Tribes Marine Monitoring Team assisted the rescue society, calling it whenever the sea lion was spotted. The tribe named her Stl’eluqum, meaning “fierce” or “exceptional” in Hul’q’umi’num’, an Indigenous language, according to the rescue society.
After Stl’eluqum was sedated, she jumped from the dock into the water. Recent torrential rains and flooding had stirred up debris, making the water brown, and harder to spot the sea lion, Dr. Haulena said.
Several minutes after the sea lion dived into the bay, the drone spotted her and the team moved in.
The rope had multiple strands and it was wrapped so deeply that she most likely wasn’t able to eat, Dr. Haulena said. At first, the team had trouble freeing her.
“You couldn’t see it because it was way dug in underneath the skin and blubber of the animal,” Dr. Haulena said.
After unraveling the rope, the team tagged her flipper, gave her some antibiotics and released her.
Freeing the sea lion was the culmination of weeks of searching and missed moments. The first call about the tangled marine mammal was made to the Fisheries and Oceans Canada hotline on Nov. 7, according to a news release from the rescue society. Then the society logged more calls.
The Vancouver Aquarium Marine Mammal Rescue Society, a nonprofit that works in partnership with the Vancouver Aquarium, searched for several days for the sea lion. The day they found her was the last of the rescue effort because bad weather was forecast for the area around the bay. The call that led them to Stl’eluqum came from the Cowichan Tribes, Dr. Haulena said.
The society, Dr. Haulena said, cares for about 150 marine mammals from its rescues every year — sea lions, otters, harbor seals and the occasional sea turtle. The group gives medical care to animals it takes in, such as Luna, an abandoned newborn sea otter who was three pounds when she was found and still had her umbilical cord attached.
Many of the society’s rescues involve animals tangled in garbage or debris, Dr. Haulena said.
Stl’eluqum was tangled in nylon rope commonly used to tie boats or crab traps, he said. When sea lions get something caught around their necks it can grow tighter until it cuts into their organs, sometimes fatally, he said.
“It’s our garbage; it’s our fault,” Dr. Haulena said. “It’s a large amount of animal suffering and not a good outcome unless we can do something.”
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