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The Legal Challenge to Utah's Stratos DatacenterUtah residents have teamed up with a progressive non-profit organization to sue over an under-development AI datacenter backed by celebrity investor Kevin O'Leary, claiming the planned Stratos project facility "irrevocably" cuts off citizens' rights by not allowing sufficient public input. Filed by the Alliance for a Better Utah and five unnamed residents of Box Elder county, the lawsuit contests the constitutionality of the state's military installation development authority (Mida) and its approval of the project.The Controversial Approval ProcessThe alliance and residents are challenging the special entity that oversees the datacenter's proposal, arguing it bypasses normal democratic processes. "Under the Stratos plan, it would hold permanent, irrevocable control over public health, safety, taxation and land use across tens of thousands of acres of Box Elder county, with no voter recourse," plaintiffs' attorney David Irvine said in a statement. Initial proposals for the datacenter envisioned a 40,000-acre (16,200-hectare) campus in Utah's Hansel valley.Project Scaling and ConcessionsThe legal action comes as O'Leary has agreed to scale back the physical footprint for the project. Utah state senate president Stuart Adams later said O'Leary had agreed to a reduction in size, a commitment of water to the Great Salt Lake and "thousands of acres to be set aside for open space, wildlife protections and continued agricultural use." Adams added that the Stratos project is in its "earliest stages" and a full permitting and environmental review process will be carried out.Environmental and Economic ConcernsThe controversy highlights growing tensions between technological expansion and environmental preservation in the American West. Opponents have raised concerns about the project's potential impact on water resources in an already arid region, particularly its effect on the Great Salt Lake. Meanwhile, proponents like O'Leary emphasize the economic benefits, including the creation of construction jobs, high-paying tech positions, and billions of dollars of investment in the region.Geopolitical Dimensions and Future OutlookThe dispute has taken on geopolitical dimensions as O'Leary accused opposition groups of having links to "Chinese backed interests" and turned over evidence to federal authorities. This accusation comes as four congressional Republicans called on the FBI to investigate "foreign influence campaigns" working to slow American AI progress. Looking ahead, the legal battle and ongoing negotiations suggest that large-scale datacenter projects in the U.S. will face increased scrutiny regarding environmental impact, public consultation, and national security considerations.

Lead: A Fresh Set of Chess‑Inspired Brain TeasersToday the Guardian presents four quirky chess puzzles, curated by We Solve Problems, a UK charity that runs free maths circles for secondary‑school students. The puzzles range from graph‑theoretic parity proofs to knight’s tours, inviting readers to engage with mathematics through the lens of chess.Odd‑Numbered Games: Proving an Even Count of PlayersThe first puzzle asks participants to demonstrate that in any tournament where some players have played an odd number of games, the number of such players must be even. This classic result stems from the handshaking lemma in graph theory, where each game contributes two to the total degree sum.Knight’s Tour Challenge: From Bottom‑Right to Top‑LeftThe second puzzle explores whether a knight can start on the bottom‑right corner of an 8×8 board, visit every square exactly once, and finish on the top‑left corner. While a closed knight’s tour exists, the specific start‑end constraint makes the problem a subtle variation that tests spatial reasoning.Pawn Promotion Loop: Minimal Moves to Return HomeThe third puzzle asks for the fewest moves required for a pawn to leave its starting square, promote to a queen, and then travel back to its original position, assuming both players cooperate. Solving it involves coordinating pawn advancement, promotion, and a reverse queen’s path.Four‑Knight Swap on an Irregular GridThe final puzzle presents a strangely‑shaped grid where two pairs of knights must exchange places. A single insightful observation about symmetry unlocks a solution, illustrating how abstract thinking can simplify seemingly complex board problems.Scale of the Maths‑Circle InitiativeMore than a dozen cities across the UK host weekly maths circles.Each circle runs from September to May, targeting pupils aged 7‑11.Volunteer mentors are typically post‑graduates or PhD students.Why Chess‑Based Puzzles Matter for Youth EducationIntegrating chess puzzles into community programmes leverages the game’s universal appeal to foster logical reasoning, combinatorial thinking, and collaborative problem‑solving. By linking puzzles to popular documentaries about Judit Polgár and Hans Niemann, the charity taps into current cultural interest, boosting participation.Looking Ahead: Expanding Collaborative Math OutreachGiven the positive response, We Solve Problems plans to broaden its reach, potentially adding new puzzle formats and digital platforms. Continued media coverage could attract more volunteers and funding, ensuring that quirky challenges like these remain a staple of UK maths education.

Podcast Overview: Red‑Light Masks and Ageing ClaimsThe Guardian’s latest science podcast asks the question, “Is it true that red‑light therapy masks prevent wrinkles?” It invites listeners to explore the evidence behind a popular anti‑ageing gadget.What the Episode CoversIntroduction to red‑light therapy and its purported skin‑benefits.Interviews with dermatologists and researchers discussing clinical findings.Consumer perspectives on the rise of at‑home light‑mask devices.Current Evidence LandscapeWhile some small studies suggest modest improvements in skin texture, the podcast notes the lack of large‑scale, peer‑reviewed trials confirming long‑term wrinkle reduction.Implications for Consumers and the Beauty IndustryThe discussion highlights a growing market for home‑use light devices, prompting regulators to consider clearer labelling and efficacy standards.Looking Ahead: Research and RegulationFuture episodes may track upcoming clinical trials and potential guidance from health authorities on the safe use of red‑light masks.

The Lead Swiss startup VunaNexus has developed a technology to recycle urine into a natural fertiliser called Aurin, which is certified for use on all plants by Swiss and French authorities. The Urine Recycling Process The process involves collecting urine from special toilets, treating it, and concentrating its nutrients into a liquid fertiliser. The urine is collected from special toilets that separate the liquid from water, and then it is treated in a small plant in the basement of the building. The treatment process removes micropollutants and concentrates the valuable nutrients such as nitrogen and phosphorus. The Data Analysis The fertiliser, Aurin, is sold to farmers, used in gardens and on house plants, and is being tested by city authorities in Paris, Lausanne, and Zurich. VunaNexus says that if all the urine of people in Europe were recycled, it could cover around 30% of the nitrogen need. The Impact Analysis The fertiliser market has become increasingly vulnerable due to the conflict in Ukraine, which has sent fertiliser prices soaring. The UN has said that 45 million people are at risk of acute hunger because of the conflict in the Middle East as fertiliser prices soar and the supply shock threatens food security in some of the world's poorest countries. The Prediction VunaNexus needs to scale its fertiliser production and get paid for the wastewater treatment service it provides to become competitive on the agricultural market. The company is working on finding ways to deliver improved urban sanitation that can produce fertilisers, and its technology is being rolled out across a newly developed eco neighbourhood in Paris, which will be the biggest project of its kind in Europe.

The Rise of Reform UK's Billionaire Donors Keir Starmer may be relaxed about allowing millions from cryptocurrency billionaires to flow into Reform UK's coffers, but Labour MPs are tearing their hair out every time the quarterly data on electoral finance drops. The Scale of the Donations The latest figures show a further £7m went to Reform UK from just two men, Christopher Harborne and Ben Delo. Harborne, a crypto and aviation fuel investor based in Thailand, has given £15m to Reform and £5m to Farage personally. Delo, who co-founded the BitMEX trading platform, has become the UK's youngest self-made billionaire. The Data Analysis Harborne's donations to Reform UK: £15m Delo's donations to Reform UK: £7m (recent) and previously undisclosed amounts Labour's total private donations in Q1 2024: £6m The Impact Analysis The mood among many backbenchers about Reform's riches is panicked. 'It is unsustainable,' says another Labour MP, who would back any amendment to the government's new electoral finance bill to broaden the cap on overseas donors to all donors regardless of location. The Prediction Despite the opportunity of the new electoral finance bill, there is very little optimism among campaigners that the government will change its mind about a cap, or even an annual spending limit. However, some believe Andy Burnham, who backs electoral reform and a more consensual politics, may be more sympathetic to the idea of getting big money out of Westminster.

Opening the Escher Metaverse at Somerset HouseThe new MC Escher exhibition, running from 5 June‑6 September 2026, transforms the historic London venue into a mind‑bending journey through the artist’s “metaverse” of impossible architecture and mathematical wonder.Immersive Installations Reveal the Mathematical Roots of Escher’s WorkVisitors encounter large‑scale video projections, giant metal spheres, chessboard floors and interactive sculptures that let them step inside iconic prints such as Belvedere (1958) and Waterfall (1961). The show also highlights Escher’s wartime diploma design of 1945 and his early fascination with tessellation after seeing the Alhambra.Video walls that animate the shifting staircases of RelativityMetal spheres echoing the convex‑mirror motifChessboard floor that reacts to foot trafficWhy the Exhibition Redefines the Intersection of Art and ScienceBy linking Escher’s visual paradoxes to the insights of physicist Roger Penrose and the broader pop‑culture legacy (e.g., Pink Floyd’s Ummagumma cover), the show demonstrates how mathematical concepts can inspire both fine art and popular media.What the Future Holds for Escher’s Legacy in Digital SpacesCurators suggest that the immersive format could evolve into virtual‑reality experiences, allowing global audiences to explore Escher’s impossible worlds online, keeping his “language of mathematics” alive for new generations.

The Vision for a Just and Sustainable FutureImagine a future in which everyone enjoys high levels of wellbeing; where 90% of the world's population doubles their income but works half the hours we work today. A world in which the bottom half of humanity sees its share of global wealth rise from just 2% today to 30%; a world where we consume enough, but nobody over-consumes. And imagine achieving this on a planet that can comfortably sustain human life without its climate breaking down.Against the bleak techno-authoritarian futures now being sold to us, a radical new vision for global progress in the 21st century feels urgently needed. The most credible vision is one in which the habitability of the planet is a precondition for human development and equality.The Three Pillars of Global TransformationOur new report examines the conditions required for the world to progress towards this ambition on an economically and ecologically compatible path, by the end of the century. Its conclusion? A global transformation that reconciles planetary habitability and high standards of wellbeing for all is possible – as long as three conditions are simultaneously met.Fast decarbonisation of energy systems is necessary. But we also need a major shift away from overconsumption towards 'sufficiency'. This would involve a sharp reduction in labour hours and the use of raw materials, along with big changes in consumption patterns, food habits, land use and forest cover. Financing and politically sustaining decarbonisation and sufficiency will require a drastic reduction in inequality of income, wealth and power, between countries and within them.Quantifying the Path to Global JusticeThe Global Justice Report is the first attempt to propose a fully quantified plan for this transition. It combines four dimensions that today's debates often treat separately: redistribution at the world scale; a deep reform of the international financial and economic order; a radical transformation of energy systems; and substantial shifts in consumption patterns. Compared with most climate scenarios (including those of the Intergovernmental Panel on Climate Change), the main novelty is that we model all four dimensions together – and place inequality and sufficiency at the centre of the analysis.The Economic Convergence by 2100What would this transition deliver? At its heart is convergence between countries. Average per capita national income, today separated by a 16-fold gap between the poorest (€290 a month in sub-Saharan Africa) and richest (€4,590 in North America/Oceania) regions of the world, would rise towards a common level of about €5,000 a month in all countries by 2100.But this convergence is not just monetary. Annual working hours per employed person would fall from roughly 2,100 to about 1,000, continuing the long shift towards shorter working time; while the share of global working hours devoted to education and health would rise from 11% to 43%. Women and men would converge on equal pay and on an equal share of economic and domestic labour.Climate and Wealth TransformationAll of this would unfold within a habitable climate. Thanks to sustainable convergence and fast decarbonisation, global heating would reach 1.8C, against more than 4C on current trends.None of this will be possible without a deep contraction of inequality. The income scale between individuals would narrow to a ratio of one to five and the wealth scale to one to 10, prolonging what western and Nordic Europe achieved over the 20th century. The share of global wealth held by the poorest half of humanity would rise from 2% to 30%, while the share held by the billionaire class would fall from 6% to 0.05%.Financing the Global Justice TransitionThese shifts would be financed and governed through new institutions. A global justice fund would spend an average of 10% of world GDP a year from 2026 to 2060 on country dividends and investment, against the less than 0.4% that aid and the combined budgets of the UN, the International Monetary Fund (IMF) and the World Bank represent today.Its resources would come from a world sovereign fund holding 10% of the world capital stock, a global wealth tax rising to 20% a year on billionaires and a global income tax rising to 90% at the very top, each touching about 1% of the world's population.The Political Path ForwardThe result is not a transfer from many to few but a gain for almost everyone. Close to 90% of the world's population would double their income between 2026 and 2100, and once leisure and a habitable planet are counted, more than 99% come out ahead.Our report is part of a broader international agenda for planetary habitability, social justice and reform of the global financial architecture – including the Bridgetown agenda launched by Barbados in 2022, the Sevilla Commitment on development finance, the UN tax convention process, and G20 initiatives led by Brazil and South Africa on global inequality.A habitable, equal and prosperous 21st century is materially possible. The carbon budget allows it and history offers precedents at comparable scales: universal suffrage, the universalisation of healthcare and education, the halving of working hours and the sharp compression of inequality over the 20th century. Technical impossibility is not what is standing in the way, but rather the absence of a shared vision of social progress, at once concrete and radical. What it will take instead is political choice, and the hard work of coalition-building behind it.

The Week's Wildlife HighlightsThis week brings us fascinating stories from the animal kingdom, showcasing the diversity and wonder of wildlife across the globe. From endangered species making headlines to unexpected animal behaviors, these stories remind us of the importance of conservation efforts and the delicate balance of our ecosystems.A Baby Pangolin's DebutConservationists celebrate the arrival of a baby pangolin, one of the world's most trafficked mammals. The tiny pangolin, born to parents at a wildlife sanctuary, represents hope for this endangered species. Pangolins are unique creatures covered in keratin scales and primarily feed on ants and termites. Their birth comes amid ongoing efforts to combat illegal wildlife trafficking and protect natural habitats.The Gorilla Super-MumIn a remarkable display of maternal care, a gorilla at a wildlife reserve has been recognized for her exceptional parenting skills. The gorilla, who has successfully raised multiple offspring, demonstrates extraordinary patience and nurturing behavior. Her dedication to her young provides valuable insights into gorilla social structures and family dynamics, which are crucial for conservation programs aimed at protecting these endangered primates.Formula One Connection with GeeseIn an unexpected twist, geese have made headlines in the world of Formula One racing. The high-speed sport has implemented new measures to protect local goose populations during races, highlighting the intersection of human activities and wildlife conservation. This unique partnership demonstrates how even in fast-paced industries, environmental considerations are increasingly becoming a priority.Conservation ImplicationsThese diverse wildlife stories underscore the importance of ongoing conservation efforts. Each case—from the vulnerable pangolin to the intelligent gorilla and adaptable geese—illustrates different aspects of wildlife preservation. Conservationists emphasize that protecting these species requires comprehensive approaches that address habitat loss, human-wildlife conflict, and climate change.Looking AheadAs we continue to document and share these wildlife encounters, they serve as both educational tools and calls to action. The coming weeks will likely bring more stories of animal behavior, conservation successes, and challenges ahead. By staying informed about these developments, individuals can contribute to global wildlife protection efforts in meaningful ways.

The Miraculous Discovery A Nepali Sherpa guide who went missing on Mount Everest six days ago has been found crawling alone to base camp after fears that he had died. According to Pemba Sherpa of 8K Expeditions, which was coordinating the search for the missing guide, Dawa Sherpa was found by a clearing crew on Thursday morning as he was crawling down snowy slopes around the Khumbu Icefall. The Dramatic Rescue Operation Dawa, 52, was carried down to safety and given food and water. A rescue helicopter flew him to HAMS Hospital in the capital, Kathmandu, where his wife and daughter, who had already begun funeral rituals, were waiting. "We first heard that he was still alive on the local news and from a person we know who called with the news that … he is being brought down," his wife, Damu Sherpa, said. The Timeline of Events Dawa was last seen around May 29 descending the mountain He did not reach base camp, although his client, a Polish climber, did There was a delay in organizing a search team When rescue helicopters were finally sent, they could not locate him He was found by a clearing crew from the Sagarmatha Pollution Control Committee Family's Emotional Journey For Dawa's family, hope of seeing him again was all but gone. His teenage daughter, Mendo Lhamu Sherpa, said they were already on the second day of a funeral ritual, which lasts for several days. "When we first heard about it, we could not be sure if that person was indeed our father," Mendo Lhamu said. "So to be certain, we asked for photos to be sent, and then only we were sure and very happy." Everest's Busiest Season The team that spotted him was part of the Sagarmatha Pollution Control Committee, which lays ladders and ropes on the route at the start of each climbing season and then removes the equipment and cleans up the site after the climbers have left. Last month, more than 1,000 climbers and their guides scaled Everest during the busiest climbing season ever on the world's highest mountain. At least five people have died this season.