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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.

A Year as a Human‑AI Test SubjectIn 2025, Joanna Stern turned her New Jersey home and daily routine into a living laboratory, letting artificial intelligence handle everything from texting to cooking, driving, and even companionship. The experiment culminated in her book I Am Not a Robot: My Year Using AI to Do (Almost) Everything and a new media venture.Turning Home and Work into an AI LabThroughout the year Stern invited AI to “every corner” of her life: answering messages, deciding meals, mowing the lawn, folding laundry, piloting a self‑driving car, analysing a mammogram, and engaging with a chatbot companion she named Evan. She documented the experience in a series of videos, a YouTube channel now approaching 80,000 subscribers, and a column that ended in February when she left the Wall Street Journal after twelve years.Key Metrics from the Experiment2025: Year‑long AI integration.Book launch: I Am Not a Robot.New Things media business launched.YouTube channel: ~80,000 subscribers.Personal AI companion “Evan” created via ChatGPT.Implications for AI Adoption and RegulationStern’s experience highlights both the convenience and the emotional complexity of pervasive AI. She voiced concerns about environmental impact, job loss, and especially the unregulated use of chatbot companions for children, calling for bans or stricter controls. Her “tech mommy” persona underscores how journalists can become both critics and promoters of emerging tech.Looking Ahead: The Future of Personal AI ExperimentsAs AI tools become more integrated into everyday life, Stern predicts a growing tension between productivity gains and the need for ethical safeguards. Her next steps include expanding New Things and continuing public dialogue on AI’s role in family dynamics and personal wellbeing.

The Lead In a revealing interview, Mark Williams, beloved for his portrayal of Arthur Weasley in the Harry Potter films, shares candid insights about his experiences on set, his relationships with fellow cast members, and the enduring impact of his iconic roles on both his career and public recognition. On-Set Memories and Fellow Actors Williams reflects on the challenges and joys of filming the Harry Potter series, noting that the worst part was "being away from home and the long hours," while the best was "the work and talking to the other actors." He recalls the legendary storytelling abilities of his co-stars, particularly Michael Gambon and Richard Griffiths, whose backstage anecdotes were "brilliant, and completely unpublishable." One of the more unusual on-set activities involved browsing agricultural equipment magazines with Robbie Coltrane. "With Robbie Coltrane I used to like going through Plant Trader, which was a sales magazine for big stuff: cranes, tractors, earthmoving equipment. We never purchased anything, but we came close," Williams reveals. The Unexpected Recognition Williams shares an amusing anecdote about recognizing someone unexpected on the Harry Potter set. While filming in the Ministry of Magic, he spotted his accountant among the extras. "When we'd stopped shooting I went over and said: 'Harry? What are you doing?' He said: 'Oh, it's a group of us. We just come and do supporting artist extra work for a laugh. That guy over there is a high court judge, and he's a contract law specialist.'" This experience taught him to "never underestimate the extras," highlighting the diverse backgrounds of people working in the film industry. Career Highlights and Collaborations When asked about his favorite collaborations, Williams cites two distinct areas: working with Hugh Laurie in films like "101 Dalmatians" and "The Borrowers," and his relationships with costume departments. He recalls a particularly memorable meeting with costume designer Bunny Christie on "Shakespeare in Love," who looked him up and down and declared, "Hmm, a make, I think," making him feel like he'd "arrived" in the industry. Williams also discusses his role as Brian Williams in "Doctor Who," describing his character as "the sort of antihero," and expresses his fondness for the maritime culture of the British Isles, which he'd love to explore in a potential documentary series. Iconic Catchphrases and Public Perception The interview touches on Williams' most famous catchphrases from "The Fast Show," including "Suits you, sir" and "Nice." While he doesn't find himself frequently quoting these lines in everyday life, he reveals that his mother used to say "Which was nice" without acknowledging its origin. When asked if he's tired of hearing his catchphrases, Williams responds with characteristic humor: "If you can't do the time, don't do the crime." When asked which catchphrase he wishes was his, Williams singles out Catherine Tate's "How very dare you?" as "a work of genius," noting its political undertones and versatility. Life Beyond Harry Potter Williams discusses his current role as Father Brown, revealing his love for the "Britishness" of music hall traditions and the "lunacy, the madness of it." While he has an excellent voice and can perform an uncanny George Formby impression, he hasn't pursued a singing career, though he has played Doctor Dolittle on tour. He also shares his thoughts on the Harry Potter studio tour, particularly fond of "Fluffy's paw," describing it as "a giant animatronic hand" that reminds him of Ray Harryhausen's work, noting that such creations are unique to films.

The Unlikely Revival of Mr Blobby Margaret Thatcher wasn’t to blame for the closure of Britain’s coalmines. Mr Blobby was. A harrowing spoof documentary exposed this horrific truth during the finale of Saturday Night Live UK’s debut season. Back in 1992, drilling activity at Nottinghamshire’s Grumthorpe Colliery awoke an evil entity buried underground. Mr Blobby promptly went on an unstoppable murderous rampage, ripping off miners’ limbs and becoming “an atom bomb made flesh”. The Event Details Mr Blobby being disinterred is an apt metaphor. Recent months have seen the pink-and-yellow agent of chaos unearthed and on the comeback trail. He has appeared on primetime TV shows, duetted with popstars, and convinced nostalgic punters to part with a surprising amount of cash to get their hands on Blobby-themed merchandise. What has prompted the comeback of a character once considered irredeemably naff? The Data Analysis Blobby costumes change hands for thousands of pounds on eBay. In Scotland, the Blobby-shaped iced biscuits at Bayne’s bakers (“made with natural colouring”) have become a cult bestseller to rival Gregg’s sausage rolls. The Impact Analysis For cultural historian Dr Matthew Sweet, his revival is a sign of idiotic times. “Mr Blobby is a creation of breathtaking stupidity,” he says. “His stupid name, his stupid appearance, his stupid voice and its ceaseless repetition of his own stupid name are unimaginative to the point of atavism. Somehow, his dumb relentlessness has allowed him to push through into some other territory. Maybe his blundering, lobotomised qualities strike a chord in a world that’s commonly said to be getting more stupid.” The Prediction With renewed interest and rumours afoot of further Blobby antics, don’t be surprised to see more pink-and-yellow chaos coming our way. After all, 2026 is the year of the Blobaissance. Resistance is futile. We might as well say it: blobby, blobby, blobby.

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.

Deadly Drone Strike Rocks Central Sudan MarketA drone strike on a market in central Sudan has killed at least 11 people and injured dozens more, according to a local rights group, as escalating aerial attacks further increase the death toll of one of the world's worst humanitarian crises.The attack on Saturday targeted the main market in Abu Zaeima, a paramilitary-controlled town in North Kordofan state, according to Emergency Lawyers, which has documented abuses since fighting erupted in April 2023 between the army and the paramilitary Rapid Support Forces (RSF).Rising Toll of Aerial AttacksThe group said the casualty figures could rise, but did not specify who carried out the attack. Neither side has claimed responsibility.Emergency Lawyers said the strike came less than 24 hours after similar drone attacks struck nearby villages and a civilian vehicle.Condemning the attack, it said the repeated targeting of civilians, villages and public transport reflected a blatant disregard for human life and the basic principles of international humanitarian law.Two witnesses told the AFP news agency that another drone hit a fuel station later on Saturday in el-Obeid, the capital of North Kordofan, which the RSF has partially encircled for months.Escalating Drone Warfare in Sudan ConflictNearly 70 people were killed in two separate drone strikes in the West and North Kordofan states over the past week, according to Emergency Lawyers and a local leader.Drone warfare has become increasingly more common in Sudan's conflict.The United Nations said in May that at least 880 civilians were killed in drone strikes nationwide between January and April.Fighting has intensified in Kordofan and Blue Nile State near the Ethiopian border since the RSF captured el-Fasher last October, the military's last major stronghold in western Darfur.Humanitarian Crisis DeepensSince the escalation of fighting, more than 300,000 people have fled front-line areas, including el-Fasher and parts of Kordofan and Blue Nile, according to the UN.Kordofan, rich in oil and arable land, is strategically significant, linking RSF strongholds in the neighbouring Darfur region to the country's army-controlled east. The region remains largely contested between the army and the RSF.Now entering its fourth year, the war has killed tens of thousands of people and displaced nearly 13 million others, creating what the UN describes as the world's largest displacement and hunger crises.Call for Accountability and End to Civilian TargetingThe rights group added that the continued loss of civilian life should not be treated as routine and called for an end to such attacks, as well as accountability for those responsible.As the conflict continues to escalate, international observers fear that civilian casualties will continue to rise, with little immediate prospect of a ceasefire or political resolution to the underlying tensions between Sudan's military factions.

The Incident: Video Documentation of Assault Disturbing video footage has emerged showing an Israeli soldier and Jewish settlers physically assaulting two Palestinian individuals in the West Bank. The footage, which has begun circulating on social media and news platforms, captures a violent confrontation that appears to involve excessive force against the Palestinian victims. The incident has drawn immediate attention from human rights organizations and international observers monitoring the Israeli-Palestinian conflict. Context: Rising Tensions in West Bank The incident occurs against a backdrop of escalating tensions in the West Bank, where Israeli settlements continue to expand despite international objections. Palestinian communities in the region frequently report confrontations with settlers and Israeli security forces, with human rights groups documenting numerous instances of alleged abuse and excessive force. The West Bank has seen increased violence in recent months, with both Israeli and Palestinian casualties rising in the volatile region. International Response: Condemnation and Calls for Investigation The video has prompted swift condemnation from various international bodies and human rights organizations. The United Nations has called for an immediate investigation into the incident, while several European nations have expressed concern over the treatment of Palestinians by Israeli security forces. Human Rights Watch has described the footage as "deeply troubling" and has urged Israeli authorities to hold those responsible accountable. The incident threatens to further strain already fragile relations between Israel and the international community. Legal Implications: Potential Military and Criminal Investigations Israeli military authorities have announced they are investigating the incident, which could lead to disciplinary action against the soldier involved. The settlers depicted in the video may also face criminal charges depending on the outcome of the investigation. Israeli military justice has a history of handling such cases internally, with outcomes often criticized by human rights groups for being insufficient. The legal proceedings will be closely monitored by international observers and Palestinian rights organizations. Future Outlook: Impact on Israeli-Palestinian Relations Incidents like this are likely to further deteriorate relations between Israelis and Palestinians, potentially undermining any prospects for peace negotiations. The footage serves as a stark reminder of the daily realities faced by Palestinians in occupied territories and may strengthen international support for Palestinian rights. Israeli authorities face increasing pressure to address human rights concerns while maintaining security in the region. The incident may also influence diplomatic efforts and international perceptions of the Israeli-Palestinian conflict.

The New York Datacenter Moratorium New York moved closer toward becoming the first US state to enact a moratorium on large datacenters this week. On Thursday, the state legislature approved a one-year ban on the facilities powering the AI boom. How Would New York's Temporary Ban on Datacenters Work? The moratorium largely targets datacenters built by 'tech goliaths' and will not apply to facilities already possessing the necessary state permits. The bill would also require an environmental impact report, which would document water and electricity usage, as well as new labor, energy efficiency and transparency standards, and ratepayer protections aimed at keeping New Yorkers' energy bills low. A Part of a Nationwide Pushback More than a dozen US states have considered moratoria in response to residents' fears about the potential costs of living next to datacenters, especially higher utility bills and negative environmental impacts. The Data Center Coalition, a trade association that has championed the expansion of these facilities, worries that a statewide moratorium would 'discourage further investment, undermine New York's economy, and send a signal that the state is closed for business'. The Scene in Albany In Thursday's debate on the legislative floor in the state capital of Albany, lawmakers against the ban echoed industry worries that it was a one-size-fits-all measure that would stifle economic growth and supersede local control. Kristen Gonzalez, a New York state senator and co-author of the bill, disagrees with that approach, saying 'It's an abdication of our responsibility to ask a local government to engage and take on the wealthiest companies in the world. That is what state government is for.'

The EU Sanctions and Settler Leaders’ Defiant ResponseWhen the European Union announced a new tranche of sanctions targeting Israeli settler organisations and their leaders, the reaction was unexpectedly celebratory. Regavim, co‑founded by Finance Minister Bezalel Smotrich, and activist Daniella Weiss of the Nachala movement both dismissed the penalties as a “badge of honour” and “ridiculous”. Their statements signal a broader refusal to be swayed by diplomatic pressure.Sanctioned Entities and the Scope of EU MeasuresThe EU’s package targeted:Regavim – a settler‑rights NGO linked to Bezalel SmotrichNachala – led by Daniella Weiss, known for border‑area conferences on settlement expansionAmana – a cooperative that finances West Bank settlementsMeir Deutsch – director of RegavimIn total, four entities and three individuals were listed. The sanctions complement earlier actions by the United Kingdom, Canada and other allies that targeted Smotrich for alleged support of violence in the West Bank.Casualties and Displacement Figures Since October 2023Human‑rights monitors have documented a sharp rise in settler‑related violence after the October 2023 Hamas attack. Reported figures include:1,168 Palestinians killed in the occupied West Bank12,666 injured33,000 displacedNearly 23,000 Palestinians detained, many without chargeThese statistics illustrate the human cost accompanying the settlement push.Implications for the Israeli‑Palestinian Conflict and International PressureAnalysts argue that the EU’s “toothless” sanctions may inadvertently grant domestic prestige to hard‑line settlers. The lack of tangible repercussions—settlers rarely travel to Europe and thus feel little personal impact—means the measures are unlikely to curb expansion or hold perpetrators accountable. The article notes a “closed loop” of entitlement, where settler ideology, state support, and military backing reinforce each other, sustaining a climate of impunity.Outlook: Prospects for Settlement Expansion and Diplomatic LeverageGiven the settlers’ defiant stance and the Israeli government’s ongoing endorsement—exemplified by plans for the E1 corridor linking East Jerusalem to Maale Adumim—future settlement growth appears probable. Without stronger, enforceable international actions, the EU sanctions risk remaining symbolic. Observers warn that continued violence and displacement will likely persist, further complicating any diplomatic pathway toward a two‑state solution.