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The Lead: Costa Rica's Legal Victory for WildlifeIn a landmark decision, Costa Rica's constitutional court has ruled that the state-owned electricity company and the Ministry of Environment and Energy must take immediate action to protect howler monkeys from electrocution on uninsulated power lines. The ruling comes after years of increasing incidents linked to development in popular tourist areas and follows a nationwide campaign by conservation organizations.The Event Details: Court Mandates Power Line Safety MeasuresThe court ruled in January that the Costa Rican Electricity Institute (ICE) and MINAE had failed to implement effective measures to reduce and prevent wildlife electrocution, primarily affecting howler monkeys in the Nosara district. The government entities were given six months to implement necessary corrections to the bare wiring in power lines constructed in the area.This legal action followed the campaign "This Is NOT Pura Vida" launched by 20 conservation organizations and rescue centers, including International Animal Rescue Costa Rica (IARCR). The campaign called for urgent government action to address what has become a growing crisis for wildlife in the region.The Data Analysis: Alarming Electrocution StatisticsThe scale of the problem is significant. In 2025 alone, IARCR reported 108 electrocuted animals, with howler monkeys accounting for up to 90% of incidents. Francisco Sánchez, a veterinarian at IARCR, has observed a rise in cases over the past decade, attributing it to increased development in the area which has become popular with tourists and immigrants from the US and Europe.Nationwide, electric shock is one of the biggest causes of death among wildlife in Costa Rica—the only country thought to regularly log wildlife electrocution numbers. Between June 2022 and June 2023 alone, there were 6,262 documented cases of wildlife electrocution.The Impact Analysis: Changing Development and Wildlife CoexistenceThe court ruling could have major ramifications for wildlife protection nationwide. Gavin Bruce, chief executive of International Animal Rescue, emphasizes that while the case was built on data from the Nosara area, the problem extends throughout Costa Rica.Development in previously undisturbed forest areas has exacerbated the problem. "Now, we have new areas [of electrocutions] appearing that we didn't have in the past," says Sánchez. "This is because of the development of houses, restaurants and hotels. We are rescuing from further inside the forest."The Prediction: Global Implications and Future ProtectionAlthough this case is specific to Costa Rica, the issue represents a global challenge for wildlife conservation. Justo Martín Martín, an environmental consultant specializing in the issue for the International Union for Conservation of Nature (IUCN), notes that while systematic studies are limited, evidence suggests the problem is global.Conservation groups will now monitor the implementation of the court ruling and consider how to scale these protections across the entire country. "We hope it will force Costa Rica's electricity providers to finally do what needs to be done to keep wildlife safe," says Bruce. The success of this approach could serve as a model for other countries facing similar challenges in balancing development and wildlife protection.

A 52‑year‑old Nepali Sherpa guide, Dawa Sherpa, who disappeared on May 29 while descending Mount Everest, was located alive on June 4 crawling toward base camp, ending a six‑day search that had left his family preparing funeral rites. Guide Dawa Sherpa Found Crawling to Base Camp According to Pemba Sherpa of 8K Expeditions, the team coordinating the search, a clearing crew spotted Dawa near the Khumbu Icefall on Thursday morning. He was carried down the slope, given food and water, and air‑lifted by helicopter to HAMS Hospital in Kathmandu. His wife, Damu Sherpa, and teenage daughter, Mendo Lhamu Sherpa, were waiting as his client, a Polish climber, had already reached base camp. Seasonal Climbing Statistics Reveal Growing Risks More than 1,000 climbers and guides attempted the summit this season, the busiest on record. At least five fatalities have been recorded so far. The search was delayed, and initial rescue helicopters were unable to locate Dawa. Implications for Sherpa Safety and Expedition Management The incident underscores the vulnerability of Sherpa guides who often navigate hazardous sections such as the Khumbu Icefall. The involvement of the Sagarmatha Pollution Control Committee—normally responsible for route maintenance—highlights the need for dedicated rescue resources and faster coordination when guides go missing. Future Outlook for Everest Guiding Protocols Stakeholders are likely to push for improved real‑time tracking of guides, stricter weather‑related go‑no‑go criteria, and expanded on‑mountain medical support. If adopted, these measures could reduce the likelihood of prolonged searches and protect families from the emotional toll of premature funeral preparations.

The U-Turn on Reusable Water Bottles Spectators will not be allowed to carry reusable water bottles into World Cup venues owing to safety concerns, Fifa has said, after a last-minute change to its stadium code of conduct. Details of the Ban The governing body had earlier permitted empty, transparent, reusable plastic bottles inside stadiums but said the updated code prohibited that. Other items such as bottles, cups, jars and cans are also banned to prevent the risk of injury if thrown. Ensuring Safety and Health “Fifa is committed to protecting the health and safety of all players, referees, fans, volunteers, and staff,” it said. “Fifa made the decision to prohibit bottles to prevent risk and injury to players and attendees. Concerns Over Heat and Hydration The move has raised concerns among supporters about coping with heat, with temperatures at a few venues expected to range between 26C and 28C, and access to drinking water inside stadiums. Measures to Mitigate Heat Fifa said measures would be in place to deal with the conditions. “Fifa works closely with each host city committee and local authorities on heat mitigation factors for fans travelling to the stadium, which can include resources such as misting stations, fans, hydration stations, cooling tents and more around the stadium footprint,” it said. Water Availability and Pricing “Inside the stadium footprint, pricing for water bottles for the Fifa World Cup 2026 will remain consistent with other events held at each stadium.”

Lead: A rare Bundibugyo Ebola outbreak in the Democratic Republic of the Congo and neighboring Uganda has triggered a rapid response, with three vaccine candidates entering emergency‑trial evaluation. While funding from the Coalition for Epidemic Preparedness Innovations (CEPI) accelerates research, the region’s insecurity and community mistrust pose significant hurdles to delivering a vaccine before the epidemic expands. Current Outbreak Metrics and Geographic Spread Confirmed cases in eastern DRC: 321 (as of 2 June 2026) Suspected cases in DRC: 116 Deaths in DRC: 48 Confirmed cases in Uganda: 15 (including 9 initially reported) Deaths in Uganda: 1 The outbreak began in Ituri province, an area already strained by armed conflict, and has reached Kampala, the Ugandan capital, highlighting the risk of cross‑border transmission. Funding and Vaccine Development Landscape IAVI receives $3.2 million to develop a vector‑based vaccine using a weakened animal virus. Moderna receives $50 million for an mRNA‑based candidate, leveraging the platform that proved effective against COVID‑19. University of Oxford receives $8.6 million for a chimpanzee‑adenovirus vector vaccine, similar to its COVID‑19 effort. All three candidates will be manufactured by the Serum Institute of India. CEPI has pledged to fast‑track emergency trials but has not disclosed specific timelines for Phase I/II studies. Historically, vaccine research for the Bundibugyo strain has lagged because the virus accounts for only a small fraction of global Ebola cases. Challenges to Vaccine Deployment in Conflict Zones Ongoing armed conflict in Ituri limits access for health workers and hampers cold‑chain logistics. Community mistrust, fueled by past incidents of treatment‑centre attacks, may lead to vaccine refusal or sabotage. Limited existing infrastructure for large‑scale immunisation in remote border regions. These factors echo previous outbreaks where vaccine roll‑out was delayed despite availability, underscoring the need for coordinated security and communication strategies. Projected Timeline and What Comes Next Initial safety and immunogenicity trials could begin within 12‑18 months, assuming regulatory clearance. Manufacturing scale‑up at the Serum Institute may add several months, potentially delivering doses by late 2027. Effective deployment will require simultaneous conflict‑mitigation efforts and community‑engagement campaigns to overcome stigma. Experts caution that without accelerated trial results and robust on‑the‑ground support, the outbreak could mirror the 2014 West‑Africa epidemic, which infected ~29 000 people and caused >11 000 deaths.

FIFA announced on Thursday that reusable water bottles up to 1 litre will be prohibited inside all 2026 World Cup venues, citing safety risks after a last‑minute amendment to the stadium code of conduct.Safety‑Driven Revision of the Stadium CodeThe governing body reversed a policy from the previous month that had allowed empty, transparent bottles. The updated code, effective from Tuesday, now bans “bottles, cups, jars and cans” to prevent objects being thrown at players or spectators.Numbers Behind the Ban: Bottle Limits and Expected TemperaturesMaximum allowed bottle size before the ban: 1 litre (1 quart)Projected match‑day temperatures at host venues: 26 °C to 28 °C (79 °F‑82 °F)World Cup dates: June 11 – July 19, 2026FIFA estimates that hydration stations will need to serve roughly 150 million cups of water across the tournament, a figure derived from an average of 80,000 spectators per match.How the Ban Reshapes Fan Experience and Stadium OperationsFans expressed concern over limited access to drinking water in high heat. In response, FIFA pledged “hydration stations, misting zones, cooling tents and fixed hydration breaks” for every game. Pricing for bottled water will stay “consistent with other events,” but the ban may increase reliance on paid concessions.What the Policy Signals for Future Mega‑EventsThe decision underscores a growing trend of security‑first policies at large‑scale sporting events. Organisers of future tournaments are likely to embed similar restrictions into venue contracts, balancing fan comfort with liability mitigation.

Podcast Overview: Heatstroke, Sports Washing and VAR PsychologyGuardian’s latest Science Podcast episode dives into three critical issues shaping the 2026 World Cup: player health risks from heatstroke, the growing practice of sports washing, and the psychological impact of VAR decisions.Core Topics DiscussedHeatstroke: How extreme temperatures affect player performance and safety protocols.Sports Washing: Examination of nations using the tournament to improve international image.VAR Psychology: Insights into how referees’ video‑assistance decisions influence player mindset.Why These Issues Matter for the TournamentUnderstanding these factors is essential for governing bodies, teams, and fans as they navigate competitive integrity, health standards, and ethical considerations.Future Outlook and Continuing ConversationThe Guardian invites listeners to follow upcoming episodes that will track how these themes evolve throughout the World Cup.

The MV Hondius Outbreak: A Unique Public Health ChallengeThe recent hantavirus outbreak on the cruise ship MV Hondius has sparked global concern, triggering memories of the Covid-19 pandemic. However, Devi Sridhar, chair of global public health at the University of Edinburgh, clarifies that this is not a pandemic. While the risk to the general public remains low, the situation requires strict monitoring to determine if the virus will spread beyond the original group of 150 passengers.Containment Difficulties in a Global SettingThe outbreak is unique because it occurred on a cruise ship, an environment notorious for making outbreak control difficult due to close living conditions and frequent port stops. A critical factor complicating the response is that some passengers disembarked before the outbreak was detected, potentially carrying the virus to their home countries.The 42-Day Quarantine and Medical GapsPublic health officials are relying on a 42-day quarantine period, which accounts for the long incubation period of the Andes strain (1 to 8 weeks). Unlike Covid-19, there is currently no approved vaccine or rapid diagnostic test for this specific strain, forcing reliance on isolation and N95 masks.Incubation Period: 1 to 8 weeks, meaning negative tests today do not guarantee safety.Previous Outbreak: The 2018 Andes strain resulted in 34 cases and 11 deaths.Quarantine Duration: WHO-recommended 42 days for returning passengers.A Shift in Global Health LeadershipThe response has been complicated by the absence of the US CDC, which recently quit the WHO and fired its cruise inspectors. Consequently, the World Health Organization (WHO) has taken the lead, working with the ship's staff and multiple governments. In the UK, the UK Health Security Agency (UKHSA), led by Prof Susan Hopkins, has been praised for its proactive management of the situation, using self-contained isolation facilities.The Path Forward: Accelerated ResearchDespite the challenges, the scientific community is mobilizing. Vaccine studies are being expedited, and existing drugs are being tested. The coming weeks will be critical to determine if secondary infections occur among passengers who disembarked early, but the current containment strategy appears to be holding.

The Unlikely Motivation At 56, I am running my first marathon, an old, fat, bald dad surrounded by millennials in body-hugging Lycra and smiles that look AI-generated. But I am ahead of them. For they are only competing for positions and personal bests, and I am being chased by zombies. The Power of Zombies, Run! I started off accompanied by audiobooks, but when Ben Elton’s autobiography got a bit whiny, I remembered Zombies, Run! – an interactive running game for smartphones that came out years ago. That became my running companion. How the Game Works You start in the ruins of a shot-down chopper, with the voice in your ears trying to guide you to safety through the ranks of the undead. The interaction comes via short sections where you are told to run fast rather than lope. Overcoming Challenges Unfortunately, I spent the 90s playing football on hangovers and Red Bull without stretching once. My glutes and hamstrings give me constant pain after 10km, and the story is no longer enough to distract me. The Impact of Music Luckily, the best bit about Zombies, Run! is that you can link the game to a playlist on your phone, so you get a minute of narrative, then the music fades up for a bit before returning to the story. The Marathon Experience With Zombies on my back and banging tunes in the 170bpm range in my ears, I tore away, breaking my PB for 1km, 5km, 10km and half marathon as my band of apocalypse surviving chums and I investigated a weird ship and rescued a bunch of kids from an undead-strewn playground. The Unexpected Twist And then, at 15 out of 26 miles … my phone died. Suddenly, there was no distracting zombie story and no inspirational music. The Conclusion I got round. Eventually. But it was not Sonic the Hedgehog. It was more like Death Stranding, with your character carrying all of Swindon on his back.

The Revival of Motion Gaming For a wonderful moment in the noughties, video games became a truly universal pursuit. The Nintendo Wii flew off the shelves, inspiring a wave of competitors such as the Xbox Kinect camera that encouraged people to play games by moving their bodies. But the tide turned: outside of still-niche VR gaming and the odd controller-waggler on the Switch, motion-controlled gaming has barely been seen for more than a decade. The Nex Playground Console Now, 20 years later, a new console is aiming to get the whole family flailing in front of the TV once again: the Nex Playground. Launching in the UK later this month, the first thing that struck me about this family-friendly device is just how tiny it is. The size of two and a half Rubik’s Cubes taped together, this impressively unintrusive device swaps cumbersome controllers for camera-controlled minigames, putting you and your family directly in the game. The Data Behind the Console The Playground retails at £269 ($299) – significantly less than any other games console at the moment. But it comes with just five free games. The rest of its library is locked behind an eye-watering £90 annual subscription. In the US, where it launched in 2023, the Playground has sold over a million units, even outselling Microsoft’s Xbox consoles during 2025’s Black Friday week. The Impact on Family Gaming Nex appears to be taking great care to earn families’ trust. None of the camera data from Nex play sessions is saved – either offline or online – meaning that families can happily embarrass themselves without worrying that an omniscient tech firm is tracking their every movement. “Safety is number one,” says Nex president Thomas Kang. The Future of Motion Gaming Online multiplayer is coming to Playground soon, via parent-controlled “playdates”, and Lee hopes that this will also help older relatives stay connected with their families. “The intention of that is solving the loneliness problem,” says Lee. “We want to create a space where grandparents play with their grandkids, even if they cannot be physically together. Nex Playground launches in the UK on 22 June.