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President Donald Trump issued an unprecedented ultimatum on Tuesday, stating that if Iran does not reopen the Strait of Hormuz by 8 p.m. ET, he will "completely annihilate the entirety of Iranian civilization." The threat, posted on his Truth Social platform, was accompanied by language suggesting a total regime change and a benediction to the Iranian people. Democratic officials reacted with alarm. Senator Patty Murray called the post "the rantings of a bloodthirsty lunatic," while Senator Chris Coons labeled it "a threat to commit a war crime." Representative Joaquin Castro warned that the rhetoric implied either a nuclear option or an attempt to convince Tehran of such a possibility, and Rep. Bonnie Watson Coleman urged invoking the 25th Amendment to remove the president from office. Legal scholars highlighted that the United States and Iran are parties to the Fourth Geneva Convention, which bans collective punishment of civilian populations, and to Additional Protocol I, which prohibits attacks on essential civilian infrastructure. Although the U.S. has not ratified the protocol, a 2024 Biden‑era statement affirmed that its core principles are binding as customary international law. During a chaotic White House press conference, Trump reiterated that "the entire country could be taken out in one night" if Iran failed to meet the deadline, and dismissed concerns about civilian casualties by claiming Iranian civilians themselves were urging continued bombing. When pressed about violations of the Geneva Conventions, he did not dispute the legal point but responded, "I hope I don’t have to do it." The Iranian Islamic Revolutionary Guard Corps responded that the strait "will never return to its previous state" for the United States and its allies, underscoring the escalating rhetoric on both sides. Amid the diplomatic flare‑up, the administration also submitted a $1.5 trillion Pentagon budget request, featuring sweeping cuts to domestic programs, further intensifying scrutiny of the president’s foreign‑policy priorities. Critics note contradictions in Trump’s stance: weeks earlier he claimed the U.S. had no strategic need for Hormuz, yet now the strait’s reopening is the centerpiece of his ultimatum. He simultaneously declared the war "won" while threatening its most destructive phase. With Democrats urging constitutional remedies and international law experts warning of potential war‑crime violations, the situation places U.S. foreign policy and domestic governance under unprecedented pressure.

The conflict in Iran has underscored how fragile a world built on fossil fuels truly is, with disruptions to oil, gas and fertilizer shipments adding millions of tonnes of greenhouse‑gas emissions to an already critical climate system.While Saudi Arabia and other petrostates blocked any mention of a fossil‑fuel phase‑out at the UN COP30 summit last November, a new diplomatic effort is gathering momentum outside the UN framework.On 28‑29 April, Colombia will host the First International Conference on the Just Transition Away from Fossil Fuels. Unlike UN negotiations, the summit will be decided by majority vote, preventing a handful of countries from derailing progress.The event is co‑sponsored by Colombia – the world’s fifth‑largest coal exporter – and the Netherlands, home to Royal Dutch Shell. Organisers have invited nations that supported the COP30 roadmap, as well as sub‑national leaders such as California Governor Gavin Newsom, a potential 2028 U.S. presidential contender.Delegates, described as a “coalition of the willing”, will share concrete plans to shift their economies away from fossil fuels while safeguarding workers and communities. Climate activists, Indigenous representatives and trade‑union leaders will also contribute ideas for turning the abstract goal of decarbonisation into actionable policy.One focal point will be the reduction of the $7 trillion per year in global fossil‑fuel subsidies, a figure that the International Energy Agency warns could be trimmed without harming the livelihoods that depend on these funds. UN Secretary‑General António Guterres has urged the International Energy Agency to create a platform that aligns the decline of fossil‑fuel investment with rapid clean‑energy expansion.The real leverage of this coalition lies in its economic weight. The 85 countries that backed the COP30 roadmap together account for a gross national product of $33.3 trillion—surpassing the United States’ $30.6 trillion and far exceeding China’s $19.4 trillion.If the Just Transition conference produces a credible, market‑oriented plan, it could send a clear signal to investors and policymakers that the era of oil, gas and coal is ending, prompting a reallocation of capital away from stranded‑asset risks.Adding California’s $4.1 trillion GDP to the coalition’s total would create an economic bloc of roughly $37.4 trillion, approaching the combined $50 trillion output of the United States and China.Newsom has repeatedly positioned California as a climate leader, noting that two‑thirds of the state’s electricity now comes from non‑carbon sources and that its economy has risen from the world’s sixth to fourth largest. He pledged that California will fill the void left by the United States’ retreat from the Paris Agreement by competing in global green‑technology markets.Public opinion supports such a shift: between 80 % and 89 % of the world’s population wants stronger climate action. The upcoming conference therefore represents a pivotal chance to translate widespread demand into a coordinated, economically powerful push for a fossil‑fuel‑free future.

François Ozon's The Stranger is a lustrously beautiful and superbly realised modern take on Albert Camus's classic novella L'Etranger. Set in 1940s French Algeria, the film follows the story of Meursault, a sensitive white European who commits a racist act under the unbearable noonday sun.The film, shot in Morocco, boasts an almost supernaturally detailed sense of period and place. Ozon's adaptation brings a contemporary perspective to the book's themes of empire and race, making changes that include a critique of the original text. This approach perhaps loses some of the source material's brutal, heartless power and arguably some of the title's meaning.Meursault, played by Benjamin Voisin, is portrayed as a character with an unreadable expression of listless unconcern. His story unfolds through flashbacks, showing his dull office job in Algiers, his blank reaction to his mother's death, and his relationship with Marie, played by Rebecca Marder.The film's climax features Meursault's fatal encounter with the vengeful brother of Raymond's girlfriend, Djemila. When asked for a motive, Meursault simply says: “C’était à cause du soleil” – “It was because of the sun”. This response highlights the absurdity of the situation and the racist undertones of the act.Ozon's adaptation softens the argument presented in Camus's original work, and Meursault is ultimately condemned to death. The film emerges as a passionate act of ancestor worship in honour of a renowned French artwork, while also critiquing the original text and its representation of imperialism.

Universal Music Group (UMG), the world's largest music company, has received a takeover offer from billionaire Bill Ackman's hedge fund, Pershing Square. The deal values UMG at over €50bn (£44bn). Pershing Square, based in New York, has offered a cash and stock deal to acquire the business, which is home to renowned artists such as Taylor Swift and Elton John.Ackman stated that while UMG, led by British-born Sir Lucian Grainge, has done an excellent job in nurturing its artist roster and generating strong business performance, its share price has lagged due to issues unrelated to the performance of its music business. He specifically mentioned the delay in UMG's US listing, underutilization of its balance sheet, and uncertainty around the French conglomerate Bolloré Group's 18% stake in the company.Shares in UMG, listed in Amsterdam since 2021, have lost more than a quarter of their value in the past year. The company is one of the 'big three' record labels, alongside Sony Music Entertainment and Warner Music Group, with a diverse roster ranging from classical music to stars like Adele, Drake, and Ariana Grande.Ackman also cited a 'lack of investor credit' in the company's valuation of its €2.7bn stake in the music streaming service, Spotify. Pershing Square, which Ackman established in 2004, controls over $26bn in assets and bought a 10% stake in UMG in 2021.As part of the proposed deal, Pershing Square would add Michael Ovitz, a veteran talent agent, as chair, along with two representatives from Pershing Square to UMG's board. The deal would also involve a new employment contract and compensation arrangement for Sir Lucian Grainge. Under the terms, UMG would merge with a blank-cheque company set up by Pershing Square and then list on the New York Stock Exchange. Shareholders would receive a total of €9.4bn in cash and 0.77 shares in the new company for every Universal share they own, representing a 78% premium compared to the company's closing share price on Thursday.

Online betting platform Polymarket has come under fire for allowing users to wager on the fate of US pilots shot down in Iran. The platform has since halted the bets and promised to investigate how they were allowed to happen. The controversy began when US Representative Seth Moulton publicly denounced the practice, calling it 'DISGUSTING' that people were betting on the pilots' rescue while search efforts were still underway. Moulton, a veteran of the US Marine Corps, expressed his outrage on social media platform X. The incident involved an F-15E Strike Eagle jet shot down by Iranian military forces, with one pilot rescued within seven hours and the other rescued on Sunday, as announced by Donald Trump on his Truth Social platform. Polymarket initially allowed users to bet on the timing of the rescues, with most wagers predicting they would occur by Saturday. However, after Moulton's criticism, the platform quickly removed the market, stating it did not meet their integrity standards and vowed to investigate. Moulton did not stop there, calling on Polymarket to deactivate hundreds of other war-related wagers, accusing the company of having 'severely lacking' integrity standards. He also mentioned that Donald Trump Jr, the president's oldest son, is an investor in Polymarket, which Moulton referred to as a 'dystopian death market'. This incident is not the first time Polymarket has faced scrutiny. In March, some users generated international headlines by sending threatening messages to an Israeli journalist after betting on a missile strike near Jerusalem. The controversy surrounding prediction markets like Polymarket has drawn congressional attention, with lawmakers introducing proposals to ban betting on certain topics, including sports, government actions, and events 'ripe for rigging'. US Senator Chris Murphy stated that such markets risk 'corrupting the soul of America' by turning life-and-death events into financial products.

Utah has enacted a law that effectively shields fossil fuel companies from legal accountability for climate damages. The legislation, signed by Republican Governor Spencer Cox, limits the ability of residents to sue these companies for their role in contributing to climate change. The new law is part of a broader effort by the fossil fuel industry and its allies to secure legal immunity in statehouses and Congress. This push is aimed at countering a wave of litigation filed by states, subnational governments, and individuals who claim that fossil fuel companies knew their products would cause climate damages but sold them anyway. Critics argue that the law prioritizes profits for the biggest polluters over communities already suffering from climate impacts. The law requires challengers to provide 'clear and convincing evidence' that damage or injury has resulted directly from a violation, making it virtually impossible to successfully sue polluters for climate damages. The legislation was sponsored by Republican Representative Carl Albrecht, who has received funding from oil and gas interests. Albrecht's ties to the industry have raised concerns about the bill's motivations. The law closely mirrors a model policy called the Energy Freedom Act, circulated by the conservative group Consumers Defense, which has financial ties to a group linked to Leonard Leo, a key figure in the far-right takeover of the Supreme Court. The passage of Utah's law comes as climate lawsuits against big oil companies are inching closer to trial. Seventy cities, states, and individuals have sued energy majors for allegedly deceiving the public about the climate crisis. New York and Vermont have also passed climate 'superfund' laws requiring major polluters to pay for damages caused by their past planet-heating pollution. Lawmakers and advocates have amassed evidence that oil companies intentionally covered up the climate harms of their products. Climate science continues to warn that fossil fuels are the primary cause of dangerous global warming. Critics argue that the fossil fuel industry is pushing for immunity because it knows it cannot win on the merits of its case.

The United Kingdom’s new inheritance tax framework for agricultural holdings and family enterprises takes effect on Monday, and accountants warn it will create significant challenges for those affected.After the government’s October 2024 proposal to impose inheritance tax on farms sparked nationwide protests, ministers responded in December 2025 by raising the tax‑free threshold from the originally planned £1 million to £2.5 million per individual.Under the revised rules, the first £2.5 million of combined farm and business assets will continue to enjoy 100 % relief from inheritance tax, while any value exceeding that amount will receive only 50 % relief. Each heir is allocated a personal allowance of £2.5 million.Elsa Littlewood, private‑client partner at BDO, described the rollout as a watershed moment for the farming and family‑business community. She acknowledged the “welcome concessions” but stressed that the new regime represents a “significant departure” from previous policy, demanding earlier and more intensive succession planning.Littlewood highlighted that many farms are “asset‑rich but cash‑poor,” meaning the revised tax structure could force beneficiaries to liquidate land or other assets to meet inheritance‑tax liabilities. This risk underscores the need for owners to engage in proactive estate planning to preserve the long‑term viability of their enterprises.While the threshold increase was applauded by some sector representatives, critics argue the changes remain insufficient to quell rural anger, noting that only the largest estates will now face higher tax bills.

From Monday, the United Kingdom’s statutory sick‑pay system will shift to pay employees from the first day of illness, a change that the Trades Union Congress (TUC) says will benefit up to 9.6 million workers. The reform is part of the first tranche of the Employment Rights Act 2025, which also introduces new safeguards on sexual harassment, parental leave and trade‑union recognition. Under the new rules, roughly 8.4 million employees who already receive statutory sick pay will see their entitlement start on day one rather than after a three‑day waiting period. In addition, about 1.2 million workers previously excluded because they earned less than the £125‑a‑week threshold will now qualify for the benefit. The expansion is expected to aid groups that are over‑represented in low‑paid or part‑time roles – notably women, disabled staff, and younger or older workers. The TUC argues that the measure will ease the financial pressure on lower‑income households, which often face a choice between extending their illness or forfeiting essential income. A TUC‑commissioned poll found that 76 % of respondents support sick pay from day one, indicating broad public approval across party lines. Business representatives, however, warn that the policy adds to a string of cost pressures already hitting firms. Neil Carberry, chief executive of the Recruitment and Employment Confederation, highlighted that employers are simultaneously coping with higher national‑minimum wages, increased payroll taxes and rising energy costs linked to the ongoing war with Iran. He cautioned that the new sick‑pay rules could force some companies to cut staff or raise prices, describing the situation as a "tipping point". Carberry also warned of potential abuse, saying a small minority of workers might attempt to exploit the system unless clear guidance is issued quickly. "The changes to statutory sick pay introduced this week will also cause chaos if not coupled swiftly with better guidance for firms," he said.

Science is often seen as a dry and serious field, but does it have to be? A recent study published in Proceedings of the Royal Society B found that scientists deliver an average of only 1.6 jokes per presentation, with 66% generating only polite chuckles.The findings confirm previous research, including a randomized clinical trial conducted over 20 years ago by Timandra Harkness and Helen Pilcher under the guise of the Comedy Research Project. The study found that laughter levels failed to reach statistical significance, even when scientists attempted to incorporate humor into their talks.However, research suggests that humor can be an effective tool in science communication. A 2025 study called Wit Meets Wisdom found that humor can boost credibility and likability, making researchers seem more trustworthy and their findings less likely to be disputed.Helen Pilcher, a science writer and author, argues that scientists should not be afraid to adopt a more playful tone when communicating their research. By incorporating humor, scientists can build cohesion and foster a sense of shared perspective with their audience.Pilcher suggests that scientists can use humor to make their research more engaging and memorable, without having to convert it into standup comedy. By doing so, scientists can make their research more accessible and enjoyable for a wider audience.