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The International Olympic Committee (IOC) has made a significant U-turn on its policy regarding transgender athletes, effectively banning them from competing in female events at the Olympics. This decision marks a major shift from their previous stance, which allowed transgender women to compete with certain conditions.In 2020, the IOC permitted Laurel Hubbard, a transgender weightlifter, to compete at the Tokyo Olympics, issuing a framework that stated transgender women “should not be deemed to have an unfair or disproportionate competitive advantage” over biological women. However, in a recent policy document, the IOC has stated that the female category must be protected for fairness and safety reasons, and will use SRY screening – a sex test using saliva or a cheek-swab – to determine biological sex.This new policy means that transgender women and athletes with differences in sex development (DSD), who were reported as female at birth but have internal testes and have undergone male puberty, are now banned from the female category at all future Olympics. The decision has caused anger among some groups and joy among others.According to Kirsty Coventry, the newly elected IOC president, this policy change was a priority for her, and she had set up a working group to examine the issue shortly after taking office. Coventry emphasized that the decision was based on scientific consensus and the need to protect the female category.The IOC's decision is based on scientific research showing that males have a performance advantage in sports, even after hormone treatment. The policy document states that the advantage is 10-12% in most running and swimming events, and greater than 100% in events that involve explosive power. This has led to sports such as athletics, swimming, and boxing introducing policies to protect the female category.While this decision applies only to elite sport, there could still be future challenges at the Court of Arbitration for Sport if transgender or DSD athletes decide to appeal. Nevertheless, the IOC's U-turn marks a seismic shift in the ongoing debate about transgender athletes and their participation in sports.

Sir Paul Marshall, the co-owner of GB News and a self-described 'committed' Christian, has been criticized by a group of 100 church leaders over the TV channel's attacks on climate science and action. The leaders, including former Archbishop of Canterbury Rowan Williams, argue that Marshall's statements on climate change are misleading and that his hedge fund's £1.8bn investments in fossil fuels present a conflict of interest.Marshall has stated that the UK has been infected by 'climate derangement syndrome' and that efforts to cut planet-heating emissions are 'impoverishing people.' In response, the church leaders emphasized that 100% of global heating since 1950 has been caused by human emissions and activities, according to the world's climate scientists. They also noted that decarbonization is a huge growth opportunity that will save trillions of dollars in the long term.The leaders, in an open letter, urged Marshall to be transparent about any personal conflicts of interest and to declare his financial interests in fossil fuels. They cited research that found GB News broadcast 953 attacks on climate science and climate action in the period immediately before and after the 2024 general election.Marshall responded that 'the Gospel entreats us to look after the vulnerable' but argued that pursuing an 'ideological' net zero policy was 'a path of unilateral economic disarmament and self-harm.' He also stated that he was not involved in the editorial decisions of GB News, which has lost £131m since its launch in 2021.The Christian leaders' criticism of Marshall and GB News highlights the ongoing debate over climate change and the role of media outlets in shaping public discourse on the issue. As more than 100 countries have net zero policies and the UK's net zero economy grew by 10% in 2024, the pressure on media outlets to provide accurate and responsible reporting on climate issues continues to grow.

A recent report backed by the United Nations has found that social media use is linked to a decline in happiness among young people in Western countries. The World Happiness Report, which covers 15 Western countries including the United States, Canada, Australia, and New Zealand, reveals a significant decline in youth wellbeing over the past two decades.The report suggests that heavy social media use is a contributing factor to this decline, particularly in countries where social media use is prevalent. However, it's noted that outside of the English-speaking world and Western Europe, the links between social media use and wellbeing are more positive and vary between platforms.Western countries dominate the overall happiness rankings across age groups, with Finland ranking as the world's happiest nation for the ninth consecutive year. In contrast, Middle Eastern and African countries had the lowest happiness scores, with Afghanistan reporting the lowest life satisfaction.The report, published by the University of Oxford's Wellbeing Research Centre in partnership with Gallup and the UN Sustainable Development Solutions Network, cites concerns over social media's impact on mental health, including bullying, sexual exploitation, and worsening mental health. In response, countries like Australia have introduced social media bans for under 16s, with similar restrictions planned in Indonesia, France, and Greece.

Afghanistan's authorities have released US citizen Dennis Coyle, who was detained in the country for over a year. The release was announced by the country's Foreign Ministry on Tuesday, stating that Coyle's detention period was deemed sufficient by the Supreme Court of the Islamic Emirate.The decision to release Coyle was made on humanitarian grounds and as a gesture of 'goodwill'. The UAE facilitated the release, which came after a meeting between Afghan Foreign Minister Amir Khan Muttaqi, former US Special Envoy to Afghanistan Zalmay Khalilzad, the UAE Ambassador to Kabul Saif Mohammed al-Ketbi, and a member of Coyle's family.Coyle, a linguist and researcher, was detained in January 2025 while working to support Afghan language communities. He was held 'in near-solitary conditions' without access to adequate medical care, according to the Foley Foundation. The Taliban authorities stated that Coyle was held 'due to violations of Afghanistan's applicable laws'.The release is seen as a positive step towards ending the practice of hostage diplomacy. US Secretary of State Marco Rubio thanked the UAE and Qatar for their support in securing Coyle's release, stating that it is a positive step towards ending the practice of hostage diplomacy.This is not the first time the Taliban has released US citizens as a goodwill gesture. Last year, five other US citizens were released under similar circumstances.

In a groundbreaking experiment conducted in Colorado's Rocky Mountain meadows, scientists heated a patch of land by 2C for 29 years. The results are alarming: the area transformed from a lush, diverse grassland into a desert-like scrubland dominated by sagebrush. This 'shrubification' process, driven by rising temperatures, threatens the very existence of alpine grasslands worldwide.The experiment, conducted at the Rocky Mountain Biological Laboratory, involved warming five plots of 30 sq meters each by 2C using electric infrared radiators. The results showed a 150% increase in shrubs in warmed plots compared to those without heating. The surface soil dried by up to 20%, and shallow-rooted plants became stressed, leading to the extinction of some wildflowers.The implications extend far beyond Colorado. Alpine grasslands, which host 50% of European flora on just 3% of land, are particularly vulnerable. As temperatures rise, these ecosystems are likely to be irrevocably changed, leading to a loss of biodiversity. The phenomenon of 'shrubification' is not limited to mountain environments; it's also observed in Arctic landscapes, where shrub cover expanded by 2.2% each decade between 1984 and 2020.Conservation ecologists warn that while shrubs and trees bring benefits like shelter and carbon sequestration, their rapid expansion in cold environments is a symptom of climate change. The speed and scale of these changes are concerning, with potential knock-on impacts on the carbon cycle and ecosystem balance.As Lara Souza, lead researcher, notes, 'It's like flowers on steroids.' However, this vision of abundance is tinged with sadness at the prospect of irreversible changes to fragile landscapes. The future of these ecosystems, and many others like them, hangs in the balance as global temperatures continue to rise.

A recent study has found that sperm deteriorates over time as it remains in the body, leading researchers to suggest that men who ejaculate more frequently may have better sperm quality.The study, which combined 115 human studies involving nearly 55,000 men and 56 studies on non-human species, found that the longer men went without sex, the more their sperm showed signs of DNA damage and oxidative stress, and the more tests rated the sperm as less viable and poorer swimmers.The World Health Organization (WHO) recommends men abstain from ejaculating for two to seven days before giving sperm for fertility tests or IVF, but the guidelines were designed to obtain the highest sperm count rather than prioritizing the best quality sperm.Dr. Krish Sanghvi, lead author of the study, said: "In men, the negative effects we found on sperm DNA damage and oxidative damage were large-ish, so we are confident that this is a biologically meaningful and important effect."The study's findings suggest that clinicians and couples should reconsider whether long abstinence is always good, as abstinence leads to deterioration in sperm quality.For couples trying to conceive naturally, a balance between quantity and quality needs to be struck, with abstaining for too long or too little potentially affecting sperm quality and quantity.Experts say that for assisted reproductive technology (ART) treatments, it's having the freshest, most healthy sperm that is probably more important, and that the two to seven days abstinence rule may not be as crucial when IVF treatment is taking place.

The UK government's recent announcement to make significant cuts to direct aid to Africa and the Middle East has been met with deep disappointment. This move is seen as a moral dereliction of duty, betraying the world's most marginalised, and a false economy that will bring greater instability to the world and make people less safe. The cut in aid to 0.3% of gross national income (GNI) from 2027 breaks Labour's 2024 manifesto pledge to restore development spending at the level of 0.7% of GNI “as soon as fiscal circumstances allow”. The UK is making the steepest proportion of aid cuts among G7 nations. As James Mattis, Donald Trump's defence secretary, once said: “If you don’t fund the state department fully, then I need to buy more ammunition ultimately.” This highlights the shortsightedness of cutting aid, which could lead to more conflict, famine, and persecution. The UK itself benefits materially from these investments. The recent inquiry by the all-party parliamentary group on global health and security on international health worker recruitment highlights the extent to which the NHS and wider economy rely on the skills, expertise, and partnerships rooted in the global south. The UK has saved £14bn in training costs through international recruitment and continues to depend on globally trained health professionals. Investment in global vaccination, disease surveillance, and research helps stop outbreaks before they spread internationally and place pressure on health systems. Preventing disease at source is one of the smartest investments we can make to protect patients in Britain. The situation in Somalia, on the edge of famine, underscores the importance of sustained investment in global development. Two consecutive failed rainy seasons have left 6.5 million people in crisis, more than double the number a year ago. The UK's humanitarian relief in Somalia is welcome, but the scrapping of nature funding and cuts to climate aid risk compromising its own strategy of preventing crisis before it takes hold.

Tracy Kidder, an award-winning narrative nonfiction writer, has passed away at the age of 80. Kidder was known for his ability to transform unlikely subjects into bestsellers, captivating readers with his in-depth research and storytelling skills. Throughout his career, Kidder immersed himself in various worlds, producing richly researched books on topics that may not have seemed like light reading. His work included The Soul of a New Machine, which explored the inner workings of a fledgling computer company in Silicon Valley and earned him the Pulitzer Prize and National Book Award in 1981. Kidder's other notable works include Among Schoolchildren, which highlighted the dedication of an inner-city teacher in Holyoke, Massachusetts, and Old Friends, which chronicled the lives of two friends in a nursing home. His book Mountains Beyond Mountains, about a doctor's efforts to bring healthcare to Haiti, introduced his work to a new generation of readers and inspired numerous universities to add it to their reading lists. Kidder's approach to storytelling was rooted in his belief that small things can have a significant impact. He avoided focusing on his personal interests, such as fishing or baseball, to maintain his objectivity and enthusiasm for his subjects. Kidder saw himself as a storyteller, not a 'literary journalist' or 'creative nonfiction' writer, and believed that nonfiction should not be limited by traditional techniques. Born in New York City in 1945, Kidder attended Harvard University and served in Vietnam, where he documented his experiences in My Detachment, a memoir that offered insights into the lives of support troops.

Wales coach Craig Bellamy has urged his team to stay calm and focused ahead of their crucial World Cup playoff semi-final against Bosnia and Herzegovina on Thursday. Drawing inspiration from Usain Bolt's approach to high-pressure situations, Bellamy emphasized the need for his players to remain relaxed and composed under pressure.Bellamy, who has been in charge of Wales for nearly two years, believes that his team has the ability to perform at their best when they are calm and focused. He cited their seventh-ranked possession statistics in European countries since he took over, highlighting their ability to control games. The team has also shown resilience, with Ethan Ampadu deputizing for injured captain Ben Davies.The prize for success in the playoff is a spot at successive World Cups, which would not only bring prestige but also a significant financial boost and a positive impact on grassroots football in Wales. Bellamy is aware of the challenges posed by Bosnia and Herzegovina, having researched their background, culture, and squad composition. He noted that 11 of their 35-man squad were born in Bosnia, while the others come from the Netherlands, Germany, and Sweden.Bellamy expressed his confidence in his team's abilities, stating that “there won't be any regrets” regardless of the outcome. He emphasized that his team will give their all and that he is prepared for all possible outcomes. The coach also highlighted the importance of enjoying the experience and not letting pressure get to them, saying, “If you can't enjoy this and you only feel pressure, you ain't made for elite sport.”Wales' last experience in a playoff ended in pain, with Wojciech Szczesny being Poland's hero. However, Bellamy is determined to build a team capable of competing for top spot in qualifying and avoiding the need for playoffs in the future.