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Heatwaves have grown hotter and stronger as the planet has warmed, making what doctors call a "silent killer" even more dangerous. How worried should we be about heat – and how can we stay safe as the climate changes?The Human Cost of Extreme HeatHot weather kills an estimated half a million people each year. The average annual death toll is greater than that from wars or terrorism, but smaller than that from cars or air pollution.Despite this, heat is rarely listed as the cause of death. That's because extreme temperatures are largely indirect killers. Most heat victims die early from illnesses – such as heart, lung and kidney disease – that are made worse in warm weather.The Physiological Impact of Heat StressHigh heat stresses the human body, sending the heart and kidneys into overdrive as they work to keep the body cool. The added strain – particularly for those with chronic illness – can prove fatal even before heatstroke hits.There are also secondary health effects from high heat. Heatwaves lead to more accidents, dirtier air, bigger wildfires and more frequent power outages, all of which can increase the burden on health systems.The Critical Role of Nighttime TemperaturesWhen days are too hot to function and nights are not cool enough to recover, the body is unable to rest. This compounds the damage done during scorching days.In many European countries, meteorologists describe nights with temperature minimums above 20°C as "tropical", while in Spain, which is more familiar with extreme heat, they call nights above 25°C "equatorial" or "torrid". In recent years, they have informally introduced a new category for night-time temperatures above 30°C: "hellish".Identifying Vulnerable PopulationsPeople who are forced to be outdoors in scorching weather – builders, farmers, rough sleepers etc – are most likely to suffer from heat exhaustion and the heatstroke that can follow.But older people, and particularly those with underlying illnesses, make up the bulk of heat-related deaths. Women are more likely to die from heat-related causes than men. Poorer people – who are less likely to have air conditioning, well-insulated homes or access to green spaces – are also at greater risk.The Humidity FactorSweat is the body's best defence against heat, lowering internal temperatures as it evaporates. But when humidity is high and the air hot and sticky, the body struggles to cool down because sweat clings to the skin. The effect this has on perceived temperatures can be equal to several degrees, enough to spell the difference between life and death.Climate Change and Escalating HeatwavesMore than a century's worth of fossil fuel pollution has clogged the atmosphere, trapping sunlight and heating the whole planet. Average global temperatures have risen by about 1.3°C since preindustrial times – and land temperatures by even more – which has pushed the baseline higher and made punishing extremes far more common.There is also some evidence that the climate crisis is making heatwaves worse by weakening the jet stream. Scientists think this is increasing the occurrence of heat domes, which are areas of high pressure and heat that get stuck over a region for days or even weeks.The Net Effect of Rising TemperaturesCold weather kills far more people than hot weather today, even in warm regions such as sub-Saharan Africa and south Asia. But as temperatures rise, the number of deaths from heat is projected to grow much faster than the number of lives saved from milder cold. When scientists modelled this in 854 European cities, they found a net increase in temperature-related deaths under all emissions scenarios, even accounting for how people adapt.Adapting to a Hotter FutureCutting fossil fuel pollution is the biggest step that can be taken to stop heatwaves from getting even hotter, along with protecting forests and wetlands that suck carbon dioxide out of the atmosphere.Urban planners have called for cities to be redesigned so they have less concrete and fewer cars, and more parks and water. This can negate the urban heat island effect, which makes cities hotter than their rural surroundings.Buildings with air conditioning or passive cooling can bring down death tolls, as can strong healthcare systems and swift emergency warnings.The Air Conditioning DilemmaAir-conditioning units increase planet-heating emissions if the power they consume is generated by burning fossil fuels, as it mostly is today, but their pollution is falling as countries clean up their electricity grids. Some experts cite the scale of the heat-related death toll as a worthy reason to use more air conditioning – particularly for the most vulnerable groups – even if it pushes temperatures higher.This year, the UK's Climate Change Committee (CCC) recommended that air conditioning be installed in all care homes and hospitals within the next 10 years, and in all schools within 25 years.Personal Safety StrategiesThe simplest advice is to stay out of the heat: avoid going outside during the hottest parts of the day, and stay in the shade if you have to. To keep your home cool, close windows during the day and open them after dark, when outdoor temperatures fall below inside temperatures. Cover windows with blinds or curtains to block out direct sunlight.Doctors also recommend drinking water frequently, wearing loose clothing and checking on vulnerable people in your community.

Lead: A Papal Voice Joins the Global AI DebateThe Vatican has entered the AI ethics arena with Pope Leo XIV’s inaugural encyclical, Magnifica Humanitas, a 42,000‑word manifesto that puts humanity at the centre of the digital revolution. By partnering with Anthropic’s Christopher Olah, the Pope signals a rare alliance between religious authority and cutting‑edge AI research.Leo XIV Unveils “Magnifica Humanitas” Encyclical on AIOn 15 May 2026 the Vatican presented the encyclical, echoing Pope Leo XIII’s 1891 social teaching *Rerum Novarum*. The document catalogues the “daunting challenges” of artificial intelligence and calls on political leaders to safeguard human dignity as technology outpaces ethical regulation.Published in the Vatican’s official channels on 15 May 2026.Co‑presented by Christopher Olah, co‑founder of Anthropic.Frames AI as a moral, not merely technical, issue.Scope and Scale: 42,000‑Word Document Highlights AI RisksThe encyclical’s length underscores the depth of the Vatican’s analysis. Key statistics include:42,000 words covering AI’s impact on labour, healthcare, warfare, and personal autonomy.References to existing AI‑related legislation in the EU, US, and China.Calls for “state regulation” to ensure AI benefits are distributed equitably.Implications for Tech Industry, Regulation, and Moral DiscourseThe papal intervention arrives as US President Donald Trump postponed an executive order on AI safety reviews, highlighting a policy vacuum. The encyclical’s moral framing could influence:Corporate responsibility standards for firms like Anthropic, OpenAI, and Google DeepMind.Legislative momentum in Europe and the United Nations on AI governance.Public perception of AI, shifting the narrative from profit‑driven hype to human‑centred ethics.Critics have accused the Vatican of “pope‑washing,” but the collaboration suggests a willingness to engage with secular experts.Future Trajectory: From Papal Guidance to Global AI GovernanceIf the Vatican’s call gains traction, we may see:Increased inclusion of ethical clauses in AI development roadmaps.New international forums where religious leaders, technologists, and policymakers co‑draft standards.Potential pressure on tech CEOs—such as Elon Musk—to adopt more transparent, accountable practices.Ultimately, *Magnifica Humanitas* positions the Catholic Church as a moral stakeholder in the AI age, urging a future where technology amplifies, rather than diminishes, human flourishing.

Lead: British travel company Tui is under intense scrutiny after a 10‑month‑old baby died from an E. coli‑linked kidney condition contracted during a holiday at the Jaz Makadi Aquaviva resort in Hurghada, Egypt, marking the latest in a series of serious illnesses linked to the same hotel. Repeated E. coli Outbreaks at Jaz Makadi Aquaviva Prompt Legal Action The resort has now been linked to three separate cases of haemolytic uraemic syndrome (HUS), a rare but severe kidney disorder caused by E. coli. The most recent victim, Ariella Mann, fell ill in December 2025, was hospitalized in the UK in January 2026, and died on 10 January 2026. Earlier incidents include: July 2024 – Chloe Crook, age 2, airlifted to London and placed in an induced coma. 30 August 2025 – Arthur Broughton, age 6, suffered severe kidney failure and long‑term neurological damage. Families allege that Tui failed to warn customers about the hotel’s history of gastrointestinal outbreaks. Illness Rates and Financial Exposure Highlighted Tui reports that since 2022 it has taken about 80,000 customers to the resort, with an overall reported illness rate of roughly 0.3%. Individual costs disclosed include: £6,000 paid by the Mann family for the all‑inclusive package. £2,500 spent on medical treatment for Ariella in Egypt. Legal firms representing the families have secured undisclosed settlements for 125 holidaymakers affected by earlier 2017 outbreaks at the same property, many of whom tested positive for bacterial infections such as salmonella and E. coli. Implications for Tour Operators and Travel Safety Standards Experts warn that high‑volume, all‑inclusive resorts can become "breeding grounds" for food‑borne pathogens, especially when buffet services are involved. Damien Tully, associate professor at the London School of Hygiene & Tropical Medicine, emphasizes the shared responsibility of tour operators to enforce robust food safety and rapid outbreak reporting mechanisms. The repeated incidents raise broader concerns about: Transparency of health risk information provided to consumers. Due‑diligence processes used by tour operators when selecting partner hotels. Potential regulatory scrutiny from UK health authorities and consumer protection bodies. Potential Regulatory and Reputational Fallout for Tui While Tui has launched an independent health‑and‑safety investigation and pledged cooperation with local authorities and the UK Health Security Agency, the company faces mounting pressure to: Review and possibly suspend bookings at the Jaz Makadi Aquaviva until safety can be independently verified. Enhance pre‑travel health disclosures for high‑risk destinations. Address possible compensation claims stemming from the Egyptian and Cape Verde incidents. Analysts predict that continued negative publicity could impact Tui’s brand perception and may trigger stricter oversight from tourism regulators, potentially reshaping how large tour operators vet and monitor partner accommodations.

Rubio's Public Assertion on Trump's Deal-Making Approach In a statement released on May 25, 2026, Sen. Marco Rubio (R-FL) declared that Donald Trump "is not going to make a bad deal," signaling a rare moment of intra‑party critique as the former president remains a dominant force in Republican politics. Speaker: Marco Rubio, U.S. Senator from Florida Target: Donald Trump, former President and leading GOP figure Context: Ongoing discussions about upcoming legislative and trade negotiations Lack of Quantitative Data Limits Economic Forecast The remark did not include specific figures or contract details, making it impossible to quantify any immediate financial impact. Consequently, analysts must rely on historical patterns of Trump‑led deals to gauge potential market reactions. Potential Ripple Effects on GOP Unity and Election Strategy Rubio's comment may reshape internal party calculations ahead of the 2026 midterm elections. By publicly questioning Trump’s negotiating prudence, he positions himself as a moderate voice, which could: Encourage other establishment Republicans to voice similar concerns Prompt the Trump camp to double‑down on its negotiating narrative Influence voter perception of GOP cohesion What Rubio's Statement Signals for Future Political Negotiations Looking forward, Rubio’s stance suggests a possible shift toward more cautious, bipartisan engagement on major deals. If his warning resonates, we may see: Increased scrutiny of any Trump‑backed agreements by Senate leadership Greater leverage for centrist Republicans in shaping deal terms Potential realignment of campaign messaging around fiscal responsibility

The Blue Moon Phenomenon This week’s full moon is a blue moon. The term does not describe the colour of the moon, but instead arises from the way we define our calendar in reference to the stars rather than the moon. Lunar Cycles and Calendar Definitions The moon takes almost a month to circle our planet. The exact time is 29.5 days but if we were to define our calendar as 12 lunar months, the year would fall short by around 11 days. Thus, the calendar would fall out of step with the seasons. The Astronomical Implications By defining our year by how long it takes for the stars to return to their same positions in the sky, we must accept that some years will have 13 full moons instead of 12. The extra full moon is the blue moon, defined as the second full moon in a calendar month. Multiple Definitions of a Blue Moon Having had one full moon already on 1 May, the second one on 31 May this week is the blue one. There is, however, another way to define a blue moon. There is a stricter astronomical way to define a blue moon, known as the seasonal method, but by this reckoning the full moon this week is not blue. Instead, we would have to wait for the full moon on 20 May 2027.

Rome’s ancient streets have long been a magnet for pilgrims, tourists and wanderers, but the scale of today’s foot traffic is forcing a visible re‑engineering of the city’s public spaces. The Surge of Visitors Around Rome’s Iconic Monuments Millions of tourists flock to the Trevi Fountain and St Peter’s Square each year, especially during the Jubilee year when pilgrim numbers spike. Photographers, tour groups and souvenir sellers now crowd the immediate vicinity, creating bottlenecks that were rare a decade ago. Temporary umbrellas and raised signage are used to channel the flow of people. Tourist Management Tactics: Barriers, Routes, and Portable Facilities Security staff install temporary barriers around monuments to direct pedestrians and protect fragile structures. Portable toilets are positioned beside churches and Renaissance walls to serve the constant stream of visitors. Designated “waiting zones” act as circulation hubs, turning public squares into managed transit corridors. Implications for Rome’s Urban Fabric and Heritage Preservation The constant presence of crowds turns historic plazas into spaces of waiting rather than contemplation. Increased foot traffic accelerates wear on stone surfaces, prompting more frequent conservation work. Local businesses adapt, selling quick‑grab souvenirs such as rosaries, plastic helmets and bottled water to meet tourist demand. Future Outlook: Balancing Pilgrimage Peaks and Sustainable Tourism City planners are exploring permanent crowd‑management solutions, including widened pathways and digital queue systems. Stakeholders aim to preserve the authenticity of Rome’s heritage while accommodating the economic benefits of mass tourism. Long‑term strategies will likely blend heritage protection with innovative visitor‑experience design to keep the city both livable and iconic.

Fatal Shark Attack Claims Life in Northeast AustraliaA man has died after a shark attack off the coast of Queensland in northeast Australia, police confirmed. The tragic incident highlights the ongoing risks faced by beachgoers and surfers in Australian waters, which are home to various shark species.Tragedy at Kennedy Shoal ReefThe victim was attacked near Kennedy Shoal, a shallow reef approximately 45km (28 miles) off the Queensland coast. Emergency services responded quickly, rushing the man to shore, but he was pronounced dead shortly after arrival at the medical facility. Police have not yet released the victim's identity pending notification of next of kin.Following the attack, authorities have closed beaches in the area while they assess safety conditions and determine when it will be safe to reopen them to the public.Rising Shark Incidents on Australian CoastsThis latest incident marks the second fatal shark encounter in Australia within just over a week. On May 16, a 38-year-old man died after being bitten by a shark near Perth on the country's west coast.According to data from the Institute of Health and Welfare, the majority of shark attacks occur along Australia's east and southeast coasts, with an average of about 20 incidents recorded each year. While attacks are relatively rare, fatalities do occur periodically, prompting ongoing research into shark behavior and prevention strategies.Beach Safety Measures Under ReviewThe recent spate of fatal attacks has renewed discussions about beach safety measures in Australia. Local authorities are likely to enhance surveillance in affected areas and may consider additional shark detection technologies or warning systems.Beach closures following shark sightings are standard procedure in Australia, allowing authorities to assess the situation and ensure public safety. The duration of closures depends on various factors, including the type of shark involved, its size, and behavior patterns observed.Ongoing Concerns for Coastal RecreationAs Australia enters its winter season, fewer people typically use the beaches, potentially reducing the risk of encounters. However, the recent fatalities serve as a reminder of the inherent dangers of ocean activities in regions where sharks naturally inhabit.Authorities continue to balance the need for public safety with maintaining access to Australia's iconic beaches, which are central to the country's tourism and recreational culture. Research into shark behavior and improved detection methods remains a priority for marine safety experts.

The Lead A rare wildfire on Santa Rosa Island threatens six plant species found nowhere else on Earth, including ancient Torrey pines that are over 250 years old. While firefighters have successfully protected the iconic pine grove so far, biologists remain concerned about the long-term survival of these unique species that may not have evolved to withstand severe burns. The Threat to Endemic Species Santa Rosa Island is home to six plant species that exist nowhere else on the planet. The most notable is the Torrey pine grove, with some trees dating back more than 250 years. Biologists are particularly concerned about the East Point dwarf dudleya, a succulent whose range has already been burned by the fire, and the soft-leaved Indian paintbrush, a federally endangered plant. The Unprecedented Fire Event Wildfires historically occurred on the Channel Islands only after rare lightning strikes. The current fire on Santa Rosa Island appears to be human-caused, possibly from a 67-year-old sailor who crashed his boat and fired flares to attract attention. The blaze has already consumed 18,000 acres of the island's surface, approximately one-third of its total area. Conservation Efforts and Uncertain Recovery Firefighters have managed to protect the Torrey pine grove, with drone footage showing some green canopy remaining. However, scientists note that delayed mortality can occur months or even years later, especially for species not adapted to wildfire. The Santa Barbara Botanic Garden has maintained a seedbank that could help restore lost plants if natural recovery fails. Broader Ecological Implications The fire threatens not only the rare plants but also the endemic insects and animals that depend on them for food and shelter. Additionally, the blaze may damage soil crusts composed of lichens, algae, mosses, and liverworts that help prevent invasive species and reduce soil erosion. These secondary effects could have long-lasting consequences for the island's ecosystem. Future Outlook for Island Conservation Biologists will need to wait until the fire is fully contained to assess the complete damage to Santa Rosa Island's unique flora. The incident highlights the vulnerability of island ecosystems to human-caused disturbances and underscores the importance of conservation efforts like seed banking. The Channel Islands have previously been considered a conservation success story, with rare native plants making a comeback after decades of damage from non-native livestock.

The Growing Threat of Spyware Attacks Spyware attacks on journalists, human rights defenders, and political dissidents are no longer rare or exotic. In early 2025, WhatsApp notified roughly 90 users — many of them journalists and civil society members across Europe — that they had been targeted by Israeli spyware company Paragon Solutions. Months later, Apple sent threat notifications to a new group of iOS users; forensic analysis confirmed two of them, both journalists, had been hit with Paragon’s Graphite spyware using a zero-click attack, meaning they didn’t even have to tap a link to be compromised. How Spyware Works and What It Can Do These attacks rely on expensive, sophisticated, and stealthy tools that allow their operators to hack into and install spyware on computers, but especially smartphones, which hold virtually all of the data about a person’s daily life. Spyware gives its operators virtually full access to the target’s device and data. Government spies can record phone calls, steal chat messages, access photos, and switch on the device’s camera and microphone to record ambient sound and record nearby conversations. Spyware also typically tracks a person’s real-time location. Tech Giants Offer Opt-in Features to Counter Spyware In response to these attacks, tech giants now provide their users with better defenses. In particular, Apple, Google, and Meta offer opt-in features specifically designed to counter targeted spyware attacks. Generally speaking, these features add extra protection, sometimes by turning off or limiting some regular features. It’s a tradeoff, but having used these myself for a long time, I have never found them to be too onerous or annoying to use. Apple's Lockdown Mode Apple’s Lockdown Mode is available on all Apple devices, including iPhones. Apple says that when Lockdown Mode is enabled, “your device won’t function like it typically does.” In exchange for this inconvenience, your device will be more secure. There is evidence that Lockdown Mode has helped in the past. Citizen Lab found that Lockdown Mode stopped one spyware attack carried out with NSO Group’s Pegasus software. As recently as March, Apple said it has never detected a successful attack on an Apple device with Lockdown Mode enabled. Google's Advanced Protection Program Google launched its Advanced Protection Program in 2017. This feature is designed to make your Google account more resilient against malicious hackers of all kinds. Advanced Protection Program includes the following features: Requires a physical security key (or a software passkey) as an additional verification factor apart from your passwords. Adds a recovery phone and a recovery email to your account, or uses a backup passkey or security key. WhatsApp's Strict Account Settings WhatsApp launched Strict Account Settings earlier this year, an opt-in feature that switches on some privacy and security controls depending on the operating system. On Android and iOS, Strict Account Settings turns on the following features: Two-step verification. Account protection. The Future of Spyware Protection No security measure is perfect, and it’s a constant effort to keep security flaws at bay. Spyware makers find new ways to hack into phones and services, then software makers learn from those attacks and respond. Rinse and repeat. But that doesn’t mean these features are not worth using. On the contrary; these features have been proven effective. “These features are free, easy to enable, and the best defense we have today against sophisticated spyware,” said Runa Sandvik, a security researcher who has worked to protect journalists and other at-risk communities for more than a decade. “If the features get in the way of something you need to do, you can easily turn them off again — meaning it costs very little to turn them on and try them out.”