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A Pakistani delegation headed by Army Chief General Asim Munir arrived in Tehran on Wednesday, bearing a fresh message from Washington and urging the launch of a second round of negotiations between the United States and Iran. The effort comes as the two‑week ceasefire that halted hostilities last week is set to expire on April 22, leaving a narrow window to end a war that has claimed more than 4,000 lives across the Middle East, primarily in Iran and Lebanon. The initial round of talks, held in Islamabad on April 11‑12, marked the most significant direct engagement between Washington and Tehran in decades. Mediated by Pakistan, the sessions lasted over 20 hours and featured both indirect and direct exchanges between U.S. Vice President JD Vance and senior Iranian officials led by Parliament Speaker Mohammad Bagher Ghalibaf. Despite covering core issues—nuclear programme, sanctions relief, frozen assets and control of the Strait of Hormuz—the talks concluded without a memorandum, with Vance asserting that Iran “did not accept our terms” and that the U.S. requires a “fundamental commitment” to forego nuclear weapons. President Donald Trump has described the conflict as “very close to being over” and hinted that a second round could resume within days, possibly in Islamabad. However, Pakistan’s Prime Minister Shehbaz Sharif is currently on a four‑day tour of Saudi Arabia, Qatar and Turkey to rally regional backing, making a rapid return to Islamabad uncertain. U.S. officials have offered an “in‑principle” agreement to extend the ceasefire, yet a Reuters‑cited source confirmed that Washington has not formally committed to an extension. Meanwhile, Turkish President Recep Tayyip Erdogan expressed optimism, stating that “there can be no negotiating with clenched fists.” Key sticking points remain: Nuclear programme: The United States and Israel demand a complete halt to uranium enrichment, accusing Iran of weaponization despite a lack of public evidence. Iran maintains its enrichment is for civilian use and cites its obligations under the 1970 Non‑Proliferation Treaty. Strait of Hormuz: One‑fifth of global oil and LNG passes through this chokepoint. Since the February strikes, shipping through the strait has dropped by 95 %. Iran permits passage for “non‑hostile” vessels and seeks the right to levy tolls, while the U.S. insists on unrestricted navigation. Lebanon/Hezbollah: Iran demands that Israel cease its offensive against Hezbollah. While Tehran claims the ceasefire covers Lebanon, both the United States and Israel reject this, and Israel continues attacks on Hezbollah positions. Complicating the diplomatic landscape, President Trump announced a naval blockade of Iranian ports, adding pressure on Tehran and potentially hindering any imminent talks. With the ceasefire deadline looming and regional actors issuing mixed signals, the prospects for a renewed U.S.–Iran dialogue hinge on whether Pakistan can secure a consensus among the parties before the window closes.

The SAVE America Act, a sweeping voting law championed by US President Donald Trump, has become a contentious issue in the country's electoral landscape. The bill, which has garnered near-total support from Republicans, aims to enhance election security by imposing stricter documentation standards for proving citizenship when registering to vote and casting a ballot.At its core, the legislation seeks to require voters to provide proof of citizenship, such as a birth certificate or passport, when registering to vote. It also proposes implementing stricter voter identification requirements for individuals casting ballots, whether by mail or in person. The bill's passage is considered a top priority by Trump ahead of the midterm elections in November, which will determine which party controls the Senate and the US House of Representatives.However, critics argue that the bill will lead to widespread voter disenfranchisement, particularly among marginalized communities. They point out that about 11% of eligible voters lack access to birth certificates, while 52% do not have valid passports. This could potentially affect around 21.3 million people, according to a recent study by election-monitoring groups.The legislation has also raised concerns about its impact on women and individuals who have changed their names after marriage or for other reasons. An estimated 69 million women in the US lack easy access to documentation linking their current legal names to those at birth, according to the League of Women Voters, a leading opponent of the bill.The bill's fate remains uncertain, with Republicans needing to change the Senate's longstanding rules to pass the legislation, which currently requires 60 votes. Trump has urged Republican leaders to scrap the filibuster rule, writing on Truth Social in March that they need to 'Kill the Filibuster.' As debate continues in the Senate, major shifts in support appear unlikely, and it remains to be seen whether the bill will ultimately pass.

The US Congress is embroiled in a heated debate over the renewal of Section 702 of the Foreign Intelligence Surveillance Act (FISA), a law that grants the US government sweeping powers for warrantless surveillance. The law is set to expire on April 20, and lawmakers are divided over whether to reform it or extend it without changes.A coalition of progressive Democrats and far-right Republicans is pushing for reforms, while others are advocating for an 18-month renewal with no changes, in line with Donald Trump's demands. House GOP leaders delayed a procedural vote on a clean extension of Section 702 after the chamber's rules committee approved the measure, amid dissent from privacy advocates within their own party.Section 702 allows national security agencies to collect and review texts and emails sent to and from foreigners living outside the country without a warrant. If Americans are communicating with a non-American target living abroad, their communications can also be swept in. The law includes a provision that notes it will expire without periodically being reauthorized.Intelligence agencies have argued that a warrant requirement would be too burdensome, while privacy advocates argue that the law has been abused and that a warrant requirement is necessary to protect Americans' rights. The FBI has made 7,413 queries about Americans under Section 702 last year, according to the Department of Justice.The Foreign Intelligence Surveillance Court has expressed concerns about compliance problems with the FBI's querying procedures under Section 702, stating that they have been 'persistent and widespread.' The court's concerns highlight the need for greater oversight and reform of the law.The renewal of Section 702 comes as the Trump administration appears to be widening its surveillance arsenal, with the FBI resuming its purchase of sensitive location data to bypass warrant requirements. Privacy advocates are pushing for a warrant requirement, citing concerns about mass surveillance and the potential for abuse of power.

The future of the LIV Golf series hangs in the balance after Saudi Arabia’s Public Investment Fund (PIF) signaled a possible withdrawal of its multi‑billion‑dollar support. Executives were summoned to a high‑stakes meeting in New York this week, a development that follows growing speculation that the rebel tour could be shut down. While the fifth season’s sixth event in Mexico City is set to proceed on Thursday, the tournament is being eclipsed by reports that PIF intends to cut the tour’s funding. The tour has already faced challenges securing a merger with the PGA Tour despite a three‑year “framework agreement,” and the funding pull would exacerbate its financial strain. According to the PIF’s newly released five‑year economic strategy, the fund is prioritising sustainable domestic investments and has omitted sport from its seven key focus areas. This shift signals a move away from the “free‑spending, disruptive internationalism” that characterised the launch of LIV Golf in 2021. Since its inception, PIF has poured over $5 bn into the tour, but this year prize money and bonus payouts have already been slashed. High‑profile players such as Phil Mickelson, Dustin Johnson, Jon Rahm, Sergio García and Bryson DeChambeau initially defected from the PGA and DP World Tours, yet recent defections back to the PGA—including Brooks Koepka and Patrick Reed—highlight the tour’s precarious position. DeChambeau has yet to sign a new contract. A source familiar with the Saudi Ministry of Sports confirmed that the fund is redirecting its sports budget toward football and esports, with golf no longer a priority. The same source noted that PIF is ending its partnership with the Women’s Tennis Association, and the three‑year WTA Finals deal in Riyadh will not be renewed after its November expiry. The rumours ignited on Tuesday after journalist Ryan French posted on X that multiple sources warned of a “bombshell announcement” on LIV’s future, later suggesting the tour might be shutting down. LIV officials and players have not received any formal update. In Mexico, Sergio García told reporters they have only heard the same message from PIF chief Yasir al‑Rumayyan at the start of the year: that the project is a long‑term commitment, and that rumours are inevitable. Technical glitches, including an alleged power failure at the venue, forced the cancellation of pre‑tournament press conferences on Tuesday. Nevertheless, the pro‑am competition resumed on Wednesday at 8:30 a.m. local time, indicating that day‑to‑day operations continue despite the uncertainty. The outcome of the New York meeting could determine whether LIV Golf survives as a viable alternative to traditional tours or becomes another casualty of shifting Saudi investment priorities.

Negotiations between Washington and Tehran are expected to resume in Islamabad within days, placing President Donald Trump under intense pressure to deliver an Iran accord that can be credibly billed as superior to the 2015 Joint Comprehensive Plan of Action (JCPOA) brokered by former President Barack Obama. Two tests dominate the diplomatic calculus: the deal must demonstrably exceed the Obama agreement, and it must ensure that Iran derives no lasting strategic advantage, particularly over the vital Strait of Hormuz. While direct comparisons with the 159‑page JCPOA are imperfect—given the evolution of Iran’s nuclear program and the emergence of non‑nuclear concerns—the Trump team is framing its objectives around four pivotal issues. 1. Enrichment suspension: In Geneva on 26 February, the U.S. demanded a 10‑year freeze on all domestic uranium enrichment, a figure Iran’s foreign minister deemed unrealistic beyond three years. In Islamabad, the U.S. escalated the ask to a 20‑year suspension, yet Trump publicly dismissed even that, insisting on a permanent ban. The practical timeline for Iran to restart enrichment after the damage to its facilities remains uncertain. 2. Highly enriched uranium (HEU) stockpile: The original JCPOA capped uranium enrichment at 3.65% and limited the stockpile to 300 kg. Iran now holds 440.9 kg of 60%‑enriched uranium—a material that can be rapidly converted to weapons‑grade (90%)—mostly stored as UF₆ gas in scuba‑tank‑sized canisters. Tehran offered to down‑blend this stockpile to 3.67% in an irreversible process, mirroring the 2015 deal’s provisions. The U.S., however, is pressing for the entire stockpile to be removed from Iran under American supervision, a stance that raises questions about the relative merits of in‑country down‑blending versus export. 3. Sanctions relief: The JCPOA promised the release of roughly $100 billion in frozen Iranian assets and the lifting of oil trade restrictions, while retaining sanctions on terrorism, human rights, and missile proliferation. In the Geneva framework, over 80% of sanctions would be lifted, leaving only human‑rights‑related measures. Trump’s administration, wary of political backlash, seeks to attach conditions on how Iran can spend the relief, a demand Tehran rejects, insisting on a permanent, irreversible lifting of sanctions. 4. Non‑nuclear issues: Trump has repeatedly criticized the JCPOA for isolating Iran’s nuclear program from its broader regional behavior. The current negotiations must grapple with Iran’s ballistic‑missile program, support for proxy forces, and the strategic future of the Strait of Hormuz. Iranian officials are divided: one camp favors leveraging the strait for immediate revenue and national pride, while another views it as a diplomatic lever to secure a lasting ceasefire and security guarantees. The confluence of these challenges creates a “marshmallow test” for both sides—whether they can forgo short‑term temptations in favor of a durable, long‑term settlement. As the Trump presidency approaches its final year, the ability to craft a deal that convincingly outperforms the Obama era while addressing the expanded nuclear and geopolitical landscape will determine the legacy of U.S. policy on Iran and its impact on regional stability.

A recent court of appeal decision suggesting it's impossible to determine which identical twin fathered a child has sparked controversy among genetics experts. Prof Michael Krawczak from Kiel University, Germany, argues that this is not the case. According to Krawczak, the germ cells of monozygotic twins differ with sufficient probability and to a sufficient degree to allow their respective children to be clearly assigned to either of them using molecular genetic techniques.Krawczak and his colleagues first proposed this approach in 2012 and demonstrated its practical feasibility in 2018. While the required molecular genetic testing is costly, currently in the five-figure range, Krawczak questions whether these costs would be a significant enough barrier to preclude genetic testing, given the potential consequences of inaction for those involved.The court's assertion that it was "not possible" to determine paternity in such cases is therefore disputed. Krawczak's comments highlight the potential for genetic testing to resolve paternity disputes in cases involving monozygotic twins, offering a solution to a complex and sensitive issue.

A recent set of studies has brought to light a concerning issue in social science research: up to half of all results published in reputable journals cannot be replicated by independent analysis. This problem is part of a broader challenge affecting various research fields, most notably social sciences and psychology, though concerns have also been raised in areas of biomedical research. The latest work, part of a seven-year project called Systematizing Confidence in Open Research and Evidence (Score), analyzed 3,900 social science papers. It found that newer papers and those published in journals requiring extensive sharing of underlying data were more likely to be reproduced. Additionally, medical research faces its own set of constraints, such as differing patient caseloads and limited sample sizes, which can make it resemble social sciences more than laboratory physics. Policymakers should be cautious of claims that don’t have a wide and robust base of evidence. The issue of reproducibility is crucial, as it looks at whether results can be recreated from the same data and methods, while replication tests whether the finding holds for new data in different contexts. However, politicians have increasingly looked to turn uncertainty into denial and recast normal scientific uncertainty as evidence of failure. Large-scale verification projects, like those undertaken by Score, are few and far between. Most academic researchers prioritize work that is more likely to enhance their careers. AI may help in deciding what to test, but it can’t reduce the costs and time involved in duplicating a piece of research. Not every failed replication signals a crisis; some findings don’t matter much, and replication studies can themselves be flawed. Greater transparency makes outright fraud more difficult and allows errors to be identified. Some argue that research “ultimately autocorrects,” but the long-term solution — shifting incentives so existing results are tested — would increase confidence. This requires restructuring of research culture and funding. For now, it remains largely notional. These studies should strengthen the case for change and serve as a warning. Social science is a powerful tool for understanding the world – and that trust will be built by acknowledging uncertainty, not repudiating it.

President Donald Trump announced on Fox Business that he will dismiss Federal Reserve Chair Jerome Powell if the central‑bank chief does not vacate the post by the statutory end of his term on May 15. “I’ll have to fire him, OK, if he’s not leaving on time,” Trump said, adding that he had previously held back the decision to avoid controversy. Powell, who has just over a month left in his tenure, has repeatedly been criticized by Trump for what the president calls a “bad job” and for refusing to lower interest rates despite Trump’s repeated demands since his return to the White House in January 2025. In January, Trump nominated former Fed governor Kevin Warsh to replace Powell. Warsh, known for his criticism of the Fed’s relatively high rates, is expected to align more closely with Trump’s push for rate cuts. His confirmation hearing before the Senate Banking Committee is slated for April 21, but the outcome remains uncertain. Republican Senator Thom Tillis of North Carolina, a member of the banking committee, has signaled he will block Warsh’s nomination until the Department of Justice concludes its criminal investigation into alleged misconduct surrounding the Fed’s headquarters renovation in Washington, D.C. Tillis described the probe as “reaching the point of absurd,” yet insists the investigation must be resolved before moving forward. The probe appears active: prosecutors made an unannounced visit to the construction site this week, as reported by the Wall Street Journal, underscoring the seriousness of the inquiry. During the same interview, Trump dismissed the investigation’s relevance, claiming the project was “probably corrupt, but what it really is is incompetence,” and questioned whether a $25 million renovation could balloon to a $4 billion expense. Powell responded in January with a rare public rebuke, labeling the investigation a “pretext” aimed at pressuring the Fed to lower rates. He warned that political intimidation could jeopardize the Fed’s ability to set monetary policy based on economic evidence. The legal backdrop adds another layer of uncertainty. The Supreme Court has yet to rule on Trump’s authority to fire a Fed board member without cause—a question that resurfaced after the president’s attempted removal of Fed governor Lisa Cook last summer. Justices appeared skeptical of such unilateral action during oral arguments in January. With the Fed’s independence at stake, the coming weeks will determine whether Trump’s threat translates into action, whether Warsh can secure Senate confirmation, and how the renovation investigation will influence the broader debate over political interference in U.S. monetary policy.

Narwhal Labs, a UK-based AI firm, has been accused of running a misogynistic and sexist advertising campaign. The company's ads, which include a woman next to the strapline 'She outworks everyone. And she'll never ask for a raise,' have sparked outrage and garnered at least seven complaints to the Advertising Standards Authority (ASA). The ASA is assessing the complaints to determine whether there are grounds for further action, although a formal investigation has not been launched. The ads, which can be found online, had been displayed on large banners at Bristol airport but were taken down after concerns were raised. Critics, including Kate Bell, assistant general secretary of the Trades Union Congress, and Rebecca Horne, head of communications and campaigns at Pregnant Then Screwed, have condemned the ads as sexist and misogynistic, perpetuating toxic stereotypes about women in the workplace. Narwhal Labs, which recently secured £20m in investment funding, has defended its campaign, stating that it was not intended to be perceived as misogynistic or racist. The company is calling for legislation to regulate the use of AI and protect workers' rights. The controversy highlights the need for greater accountability and regulation in the AI industry, particularly when it comes to advertising and its potential impact on society.