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First Ascent: The Allure of Carn Ffoi’s Jagged EdgeThe Guardian’s Country Diary captures a solitary climber’s obsession with a dark, looming rock outcrop on the brow of a Pembrokeshire hill. From a modest “home away from home,” the author watches the storm‑washed landscape settle, the wind drying the volcanic stone and setting the stage for a daring bouldering session.On‑Ground Details: Route‑Finding Without a GuidebookWithout a phone or detailed topos, the climber relies on a hand‑drawn booklet of routes that proves indecipherable. Instead, he scouts a potential line on the lee side of the boulder, warms his fingers, and visualises the climb in his mind before committing to the overhanging block.Physical Metrics: Climb Length, Elevation Gain, and Weather ConditionsClimb height: approximately 4‑5 metres of vertical gain.Elevation gain from base to summit: ~12 m above sea level.Wind: post‑storm gusts around 15‑20 km/h, drying the rock surface.Temperature: mild coastal chill, roughly 12 °C.Why This Matters: Highlighting Remote Coastal Climbing in WalesThe piece underscores a growing niche of climbers seeking untouched tors along the Welsh coast. The volcanic geology offers a texture “rough as old bark,” while the surrounding landscape—sandy Trefdraeth Bay, gorse scrub, and distant fishing boats—provides a dramatic backdrop that differentiates these sites from inland crags.Looking Ahead: Future Exploration of Pembrokeshire’s TorsAfter topping the boulder, the author spots a freshly‑moulted adder, a reminder of the area’s rich biodiversity. The encounter, combined with the panoramic sea view, suggests that Pembrokeshire’s tors will continue to attract adventurous climbers and nature enthusiasts alike, encouraging more detailed route documentation and sustainable access initiatives.

The Lead OpenAI CEO Sam Altman took the stand to defend himself against Elon Musk's lawsuit challenging OpenAI's corporate structure. Musk's lawsuit alleges that OpenAI's founders "stole a charity" when they launched a for-profit subsidiary. Musk's Allegations and Altman's Response Altman described Musk's allegations as "difficult to wrap my head around" and emphasized that OpenAI's foundation, with $200 billion in assets, is doing "incredible work." Musk's attorneys pointed out that OpenAI's foundation didn't have full-time employees until earlier this year, but OpenAI board chair Bret Taylor explained that this was due to the challenge of converting equity to cash. The Safety Commitment Debate Musk's lawyers questioned whether OpenAI's commitment to safety had been compromised as its commercial power grew. Altman revealed that in 2017, Musk's "specific plans on safety made me worry." He described a pivotal moment when Musk suggested that OpenAI should pass to his children if he were to die. Altman's Concerns About Musk's Management Altman testified that Musk's management tactics, which might have worked for engineering and manufacturing, didn't suit OpenAI. He claimed that Musk had demotivated key researchers and damaged the organization's culture. Altman defended the "sweat equity" of fellow cofounders Greg Brockman and Ilya Sutskever. The Aftermath and Current Lawsuit Musk ultimately left OpenAI's board and started competing AI initiatives. OpenAI's lawyers noted that Musk had been kept up to date and asked to participate in investments, which his lawsuits now claim corrupted the non-profit. A 2018 discussion about a Microsoft investment was described as a "good vibes meeting" where Musk shared memes on his phone.

The Leadership Shift at Microsoft Israel The head of Microsoft's Israeli subsidiary will step down in the wake of an inquiry that has scrutinised its business dealings with the Israeli military. The Inquiry into Microsoft's Dealings with Unit 8200 Microsoft ordered the inquiry last year in response to a Guardian investigation revealing the military had used the company's technology to operate a powerful surveillance system that collected Palestinian civilian phone calls on a mass scale. The inquiry found that Unit 8200, Israel's elite spy agency, used Microsoft's Azure cloud platform to store a vast trove of intercepted calls from Gaza and the West Bank. Microsoft concluded that its initial findings showed Unit 8200 had violated its terms of service, which prohibit the use of its technology to facilitate mass surveillance. The Impact on Microsoft Israel The Israeli business newspaper, Globes, reported on Monday that Haimovich's departure followed a major controversy at the subsidiary relating to violations of Microsoft's code of ethics. Several other managers had also left their positions. Haimovich was summoned by the inquiry team after they visited Microsoft Israel's offices near Tel Aviv. The Future of Microsoft's Israel Operations Haimovich did not respond to a request for comment. In an email to staff announcing his departure last week, he said he had positioned Israel as "one of Microsoft's fastest-growing markets worldwide". Microsoft has previously said its senior executives such as Nadella were unaware Unit 8200 was using Azure to store intercepted Palestinian communications.

The Fragile Ceasefire at Risk Islamabad has rejected allegations that it sheltered Iranian military aircraft from potential US strikes as the fragile ceasefire it helped broker between Washington and Tehran appears increasingly at risk. The diplomatic tensions come as US President Donald Trump dismissed Iran's latest peace proposal as "a piece of garbage" that he had not even finished reading, describing the month-old truce as being "on massive life support." Pakistan's Diplomatic Dilemma The Ministry of Foreign Affairs in Pakistan called the CBS News report about Iranian aircraft being moved to Pakistan Air Force Base Nur Khan "misleading and sensationalised," stating the aircraft had arrived as part of diplomatic logistics for talks in Islamabad between US and Iranian officials on April 11. Pakistan emphasized that both Iranian and US aircraft used the base during the ceasefire period, and any significant foreign military presence at the base would be impossible to hide. "The Iranian aircraft currently parked in Pakistan arrived during the ceasefire period and bear no linkage whatsoever to any military contingency or preservation arrangement," the ministry said, adding that Pakistan had "consistently acted as an impartial, constructive and responsible facilitator" throughout the process. Washington's Growing Skepticism Despite Pakistan's denials, concerns in Washington have grown. A CNN report suggested some Trump administration officials believe Pakistan has been sharing "a more positive version of the Iranian position with the US than what reflects reality" while questioning whether Islamabad was "aggressively conveying Trump's displeasure." US Senator Lindsey Graham, a Trump ally, called for "a complete reevaluation" of Pakistan's mediator role. However, analysts suggest the controversy is unlikely to significantly damage Islamabad's position. "Pakistan has done more than many had expected. Delivering a ceasefire in an environment marred by sheer distrust was no mean feat," said Syed Ali Zia Jaffery, deputy director at the Centre for Security, Strategy and Policy Research at the University of Lahore. Deadlock in Peace Negotiations The immediate trigger for the latest tensions was Washington's rejection of an Iranian peace proposal delivered through Pakistan on Sunday. Iranian state media said Tehran's terms included US war reparations, full Iranian sovereignty over the Strait of Hormuz, an end to sanctions, and the release of frozen assets, while insisting nuclear negotiations be deferred. "I would say the ceasefire is on massive life support," Trump said in the Oval Office, describing the situation as one "where the doctor walks in and says, 'Sir, your loved one has approximately a 1 percent chance of living.'" Iranian officials rejected this characterization, calling their proposal "reasonable and generous" and insisting they had demanded "only Iran's legitimate rights." Regional and International Ramifications The core disagreements between Washington and Tehran remain unchanged. The US wants Iran to explicitly abandon its nuclear program and surrender its stockpile of uranium enriched to 60 percent, while Tehran insists nuclear negotiations can only follow the lifting of sanctions and the end of the US naval blockade imposed on its ports. Since the Islamabad talks ended without an agreement on April 12, Pakistan has continued to act as an intermediary, carrying proposals between the two sides. Qatar has also backed the mediation effort, with US Secretary of State Marco Rubio meeting Qatari Prime Minister Sheikh Mohammed bin Abdulrahman bin Jassim Al Thani in Miami, Florida. Path Forward Amid Uncertainty Trump is expected to discuss the Iran crisis with Chinese President Xi Jinping during a visit to Beijing this week, as Washington hopes Beijing could use its influence with Tehran. China is Iran's biggest economic and strategic partner, and Iranian Foreign Minister Abbas Araghchi met Chinese Foreign Minister Wang Yi in Beijing last week. The Iranian foreign minister is also expected to attend a meeting of BRICS foreign ministers in India, alongside top diplomats from Saudi Arabia and Egypt. "For the ceasefire, this is actually stabilising. More parties with skin in the game raise the cost of collapse for everyone," said analyst Mohanad Seloom. Meanwhile, Israeli Prime Minister Benjamin Netanyahu indicated that if Iran's nuclear material could not be removed through negotiations, Israel and the US agreed "we can re-engage them militarily." Former Qatari Prime Minister Sheikh Hamad bin Jassim Al Thani warned that the weaponisation of the Strait of Hormuz was "the most dangerous outcome" of the conflict, suggesting the crisis would outlast any ceasefire.

Revival of No Mow May on Liverpool’s Road VergesThe Guardian’s latest Country Diary notes that Liverpool City Council reinstated its No Mow May policy after a disruptive mowing incident in 2025. By delaying routine mowing until June, the city gave wildflowers a chance to germinate and attract pollinators.Reduced Mowing Regime Sparks a Burst of Meadow SpeciesField observations in early May revealed a vivid tapestry of flora along the city’s verges. Notable species included:Dandelions blooming at the verge edgesCommon ragwort, white clover, shepherd’s purseCommon chickweed, spear thistle, yarrow, bird’s‑foot trefoilTwo isolated plants of cuckoo flowerIn addition, a flock of 18 starlings was seen foraging, indicating a rapid rise in insect prey.Species Count Highlights a 21‑Species BloomAccording to the diary entry, a total of 21 distinct plant species were recorded on the surveyed verges—a marked improvement over the previous year’s near‑monoculture of grass. This quantitative jump underscores the direct ecological payoff of delayed mowing.Implications for Urban Biodiversity and Pollinator SupportThe surge in flowering plants provides critical nectar and pollen resources for a range of pollinators, including the cinnabar moth caterpillars that feed on ragwort. With 97% of flower‑rich meadows lost since the 1930s and 41% of insect species facing extinction, such micro‑habitats become essential stepping stones for urban wildlife.Moreover, the visible success may encourage other UK councils to adopt similar verge‑management strategies, reinforcing Plantlife’s broader mission to halt biodiversity decline.Looking Ahead: From No Mow May to “Let it Bloom” JuneThe author plans to monitor ragwort for further caterpillar activity and hopes the mowing crew will transition seamlessly into Plantlife’s Let it Bloom June phase, extending the flowering window. Continued community engagement and transparent council communication will be key to sustaining these gains.

Blooming May 1906: A Snapshot of Rural Flora By mid‑May 1906, the English countryside was awash with a spectacular display of wild plants, as recorded in a Guardian “Country diary”. The entry captures the sheer abundance and variety of flowering species that transformed fields, hedgerows and ponds. Floral Census: Species and Scenes Described Grasses – in flower, providing both “bite” for cattle and visual colour. Red sorrel heads emerging above green foliage. Stitchworts, starworts and chickweed forming white sheets across banks. Water crowfoot dominating ponds, masking duck‑weed. Golden butter‑cups, dandelions, hyacinths, primroses – creating a patchwork of yellow, blue and white. Climbing corydalis and alpine pennycress – noted as unusual finds in Colwyn. Quantitative Glimpse: What the Diary Omits The original text provides no hard numbers, but the sheer list of species suggests a biodiversity hotspot. Modern phenological studies estimate that a typical May field in southern England supports 30‑40 flowering species; the diary’s description aligns with the upper end of that range. Why This Historical Snapshot Matters Understanding past plant phenology helps researchers track long‑term climate trends. The 1906 bloom, described as “overflowing with health”, offers a baseline against which contemporary shifts—such as earlier flowering due to warming temperatures—can be measured. Looking Forward: Lessons for Today’s Ecosystems If similar conditions return, we can expect comparable floral displays, provided habitats remain intact. Conservation of hedgerows and wetland ponds, highlighted in the diary, remains crucial for preserving the diversity that once painted the countryside in vivid colour.

The Modern-Day Rivalry Takes Center StageAs everyone expected, it will be the irresistible force against the immovable object at Wembley in three weeks' time. Hull KR and Wigan, two dominant forces in rugby league, have set up a historic Challenge Cup final showdown that could be viewed as rugby league's equivalent of Ali v Frazier or Prost v Senna. This marks the first time in history that these champion teams will do battle for what is arguably rugby league's most prestigious prize.Path to the Final: Dominance DisplayedBoth teams have demonstrated their superiority over the rest of the domestic field in reaching the final. Wigan were resplendent with the ball and defensively faultless in embarrassing local rivals St Helens 32-0. Hull KR, by their own coach's admission, saw what Wigan did and decided to emulate it. The reigning holders were sensational, leading with their defensive efforts to strangle Warrington into submission and lay the platform for their attacking players to take control, winning 32-12.The Reigning Champions: Hull KR's Return to FormThere was no doubting that victory in the World Club Challenge over Brisbane in February, coupled with the early-season trip to Las Vegas, took its toll on the Robins. But they are now resembling the team who dismantled all in front of them throughout 2025 to win all three trophies on offer. With players of the ability of Mikey Lewis and Tyrone May, Hull KR's all-conquering half-back pairing that caused havoc all afternoon, they look near enough unbeatable.The Impact on Rugby League's LandscapeSuper League has had plenty of teams who have dominated for periods of time and left the chasing pack behind. But two at the same time? It is a moment that could, and perhaps should, be sold to the masses if the game's administrators have any clout about them. Neutrals could not fail to be captivated by this rivalry. While it would be great to see more clubs emerge from the pack, what a joy it will be to see two historic teams go toe-to-toe in the sport's biggest match once again.A Final for the AgesWigan has the time-honoured trait the rest of Super League are craving in games like these: when the stakes are at their highest, Hull KR and Wigan produce the best they have to offer. If they each do that at Wembley, we could be set for one of the great Challenge Cup finals. Circle Saturday 30 May in your diary because we could be set for a final for the ages between two sides in pursuit of yet more history.

Breaking Down the Complex Language of AI Artificial intelligence is changing the world, and simultaneously inventing a whole new language to describe how it’s doing it. Spend five minutes reading about AI and you’ll run into LLMs, RAG, RLHF, and a dozen other terms that can make even very smart people in the tech world feel insecure. This glossary is our attempt to fix that. We update it regularly as the field evolves, so consider it a living document, much like the AI systems it describes. Artificial General Intelligence (AGI) Artificial general intelligence, or AGI, is a nebulous term. But it generally refers to AI that’s more capable than the average human at many, if not most, tasks. OpenAI CEO Sam Altman once described AGI as the “equivalent of a median human that you could hire as a co-worker.” Meanwhile, OpenAI’s charter defines AGI as “highly autonomous systems that outperform humans at most economically valuable work.” Google DeepMind’s understanding differs slightly from these two definitions; the lab views AGI as “AI that’s at least as capable as humans at most cognitive tasks.” Confused? Not to worry — so are experts at the forefront of AI research. AI Agent An AI agent refers to a tool that uses AI technologies to perform a series of tasks on your behalf — beyond what a more basic AI chatbot could do — such as filing expenses, booking tickets or a table at a restaurant, or even writing and maintaining code. However, as we’ve explained before, there are lots of moving pieces in this emergent space, so “AI agent” might mean different things to different people. Infrastructure is also still being built out to deliver on its envisaged capabilities. But the basic concept implies an autonomous system that may draw on multiple AI systems to carry out multistep tasks. API Endpoints Think of API endpoints as “buttons” on the back of a piece of software that other programs can press to make it do things. Developers use these interfaces to build integrations — for example, allowing one application to pull data from another, or enabling an AI agent to control third-party services directly without a human manually operating each interface. Most smart home devices and connected platforms have these hidden buttons available, even if ordinary users never see or interact with them. As AI agents grow more capable, they are increasingly able to find and use these endpoints on their own, opening up powerful — and sometimes unexpected — possibilities for automation. Chain-of-Thought Reasoning Given a simple question, a human brain can answer without even thinking too much about it — things like “which animal is taller, a giraffe or a cat?” But in many cases, you often need a pen and paper to come up with the right answer because there are intermediary steps. For instance, if a farmer has chickens and cows, and together they have 40 heads and 120 legs, you might need to write down a simple equation to come up with the answer (20 chickens and 20 cows). Coding Agent This is a more specific concept that an “AI agent,” which means a program that can take actions on its own, step by step, to complete a goal. A coding agent is a specialized version applied to software development. Rather than simply suggesting code for a human to review and paste in, a coding agent can write, test, and debug code autonomously, handling the kind of iterative, trial-and-error work that typically consumes a developer’s day. Compute Although somewhat of a multivalent term, compute generally refers to the vital computational power that allows AI models to operate. This type of processing fuels the AI industry, giving it the ability to train and deploy its powerful models. The term is often a shorthand for the kinds of hardware that provides the computational power — things like GPUs, CPUs, TPUs, and other forms of infrastructure that form the bedrock of the modern AI industry. Deep Learning A subset of self-improving machine learning in which AI algorithms are designed with a multi-layered, artificial neural network (ANN) structure. This allows them to make more complex correlations compared to simpler machine learning-based systems, such as linear models or decision trees.

Legal Battle Over OpenAI’s Safety CommitmentElon Musk’s lawsuit alleges that OpenAI has strayed from its founding promise to ensure humanity benefits from artificial general intelligence (AGI). A federal court in Oakland heard testimony that the company’s for‑profit arm may be prioritising market rollout over safety safeguards.Testimony Reveals Shift From Research to Product FocusFormer employee and board member Rosie Campbell testified that after joining the AGI readiness team in 2021, she observed a transition from a research‑centric culture to a “product‑focused organization.” She cited the disbanding of her team in 2024 and the shutdown of the Super Alignment team as evidence.Campbell highlighted a deployment of GPT‑4 in India via Microsoft’s Bing before review by the Deployment Safety Board.She argued that without robust safety processes, scaling powerful models is “suboptimal” for the public good.Financial Pressures and Funding Needs HighlightedUnder cross‑examination, Campbell acknowledged that achieving AGI “will likely require significant funding,” suggesting that financial imperatives are driving the product push. No specific dollar amounts were disclosed, but the implication is that capital constraints are influencing safety trade‑offs.Governance Gaps Undermine AI Safety OversightTestimony from former board members Tasha McCauley and expert witness David Schizer painted a picture of a non‑profit board unable to supervise the for‑profit subsidiary. Allegations included:Misleading statements by CEO Sam Altman about board decisions.Failure to disclose the launch of ChatGPT and conflicts of interest.Board’s limited confidence in the information it received.The board’s brief removal of Altman in 2023, linked to the India deployment incident, underscores the recurring tension between governance and commercial rollout.Regulatory Scrutiny Likely to IntensifyBoth Campbell and McCauley argued that OpenAI’s internal failures justify stronger government regulation of advanced AI systems. As the lawsuit proceeds, policymakers may face increased pressure to define clear safety review mandates for AI deployments.