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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's Environment Agency is facing criticism for its inability to effectively tackle the growing issue of illegal waste dumping. A report by the Public Accounts Committee (PAC) has highlighted that the agency lacks the necessary powers and intelligence to deal with the problem, which is costing taxpayers £1bn a year.The committee found that there are at least 8,000 illegal dumps across the country, with several large-scale tips containing between 20,000 and 30,000 tonnes of household rubbish and other waste. The problem is attributed to organised criminals who are heavily involved in illegal waste dumping.The PAC chair, Geoffrey Clifton-Brown, stated that the committee's report found that regulators were not sufficiently resourced to follow through with recommendations and carry out their responsibilities towards the environment. The report calls for closer cooperation and intelligence sharing between the Environment Agency, local authorities, police, and other agencies to tackle illegal waste dumping risks.In response, a Defra spokesperson stated that the report was out of date and did not reflect the significant reforms already underway, including publishing a waste crime action plan and investing in the Environment Agency to boost monitoring and investigations.

As the conflict drags on, Iranians are attempting to maintain a semblance of ordinary life in the face of constant explosions and airstrikes. The days following Nowruz, the Persian New Year, are usually a time of renewal and celebration, but this year, the atmosphere is tense."More and more, people are starting to normalise this war", said Farhad, a photography editor in Tehran. "It's difficult, but we're adapting and trying to return to our daily lives as much as possible. There's no alternative. We're tired. We just want peace."Despite the challenges, some Iranians are finding ways to cope. Aylar, a 39-year-old human rights worker, paid for an expensive VPN to circumvent the internet blackout imposed by Iranian authorities so she could stay in touch with relatives abroad. She also made time for a coffee date with friends, highlighting the complexity of life during conflict.The humanitarian toll is significant, with Iran's official death toll frozen at around 1,500, but the real figure may be more than 3,000, according to the Iranian Human Rights Activists News Agency. Many more have been injured, and the psychological impact is profound.As the situation continues to unfold, uncertainty and division within Iranian society are palpable. While most Iranians oppose the war, some have welcomed it as a potential catalyst for change. The future remains uncertain, with concerns that the conflict could become a recurring reality.

The UK government has taken a significant step in its ongoing efforts to counter Russia's attempts to evade Western sanctions. Armed forces have been authorized to board Russian oil tankers in British waters, a move aimed at disrupting Moscow's 'shadow fleet' of vessels.This fleet, comprising over 600 vessels targeted by sanctions from the EU, UK, and US, uses tactics such as false national flags and opaque ownership structures to export Russian crude oil while avoiding Western sanctions. The new rules apply specifically to vessels sanctioned by the UK.The Royal Navy has previously collaborated with allies to take action against these vessels. For instance, last week it helped track a sanctioned Russian oil tanker in the Mediterranean, which was subsequently boarded by the French navy.The UK's move is part of a broader strategy to hamper Russia's economy and, consequently, its war efforts in Ukraine. Prime Minister Starmer emphasized that the goal is to 'starve Putin's war machine of the dirty profits that fund his barbaric campaign in Ukraine.'However, Russia has warned that direct action against shadow fleet vessels could lead to direct conflict. A senior Russian official, Nikolai Patrushev, suggested that Moscow could deploy its navy to protect Russian-linked vessels from potential European seizures.The UK's defense secretary, John Healey, previously suggested using 'military options' against sanctioned vessels, with any seized oil potentially being sold and the proceeds sent to Ukraine.Before any ship is boarded, its situation will be examined by law enforcement, military, and energy market specialists, with a recommendation made to ministers. Seizure could be followed by criminal proceedings against the owners, operators, and crew for breaches of UK sanctions legislation.

Partridge Boswell's poem, 'The Gathering', has been crowned the winner of this year's National Poetry Competition, a prestigious award that attracted over 21,000 entries from poets across 113 countries. The poem delves into themes of language, love, and the struggle to make sense of global suffering, state violence, and war.Boswell's work is a reflection of his attempt to process the emotional burden of following distressing global events. He describes how he wrote elegies, parodies, and rants to cope with his discomfort and disbelief. The poem specifically addresses the challenge of maintaining language's potency in the face of the relentlessness of the news cycle and the difficulty of resisting false narratives.The judges praised 'The Gathering' for its ambition, emotional stakes, and philosophical perspicacity. They noted that the poem reflects on the tensions between personal grief and state violence, particularly in Gaza. The poem questions how to preserve the potency of language amid the overwhelming nature of global events.Boswell, who is also the author of the Fool for Poetry prize-winning chapbook Levis Corner House and the Grolier prize-winning collection Some Far Country, will receive £5,000 for his winning poem. His work, along with the runner-up and third-place poems, will be published in the spring 2026 issue of The Poetry Review.The National Poetry Competition, founded in 1978, has a history of recognizing talented poets. Past winners include Carol Ann Duffy, Sinéad Morrissey, James Berry, and Tony Harrison. This year's competition saw seven commended poets receive £500 each, while Damen O'Brien's poem Axe secured the runner-up position with a £3,000 prize.

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.

The Financial Conduct Authority (FCA) has accused Crispin Odey, a former hedge fund manager, of attempting to manipulate a victim of sexual assault into silence. According to evidence presented in court, Odey sent a text to his former employee in January 2022, warning her that the FCA could question her about him.Odey, who has previously accepted that he groped the woman without her consent in 2005, claimed he was under the influence of sedatives at the time. He now faces a number of sexual harassment allegations and has launched a £79m libel lawsuit against the Financial Times.The FCA's lawyer, Clare Sibson, argued that Odey was trying to manipulate the victim into silence and had a clear motive to discourage her from providing her account to the FCA. Odey, however, claimed he only wanted to ensure the woman would "tell the truth".The hearing continues, with Odey hoping to overturn the FCA's decision to ban him from the UK's financial services industry. In addition to the libel lawsuit, Odey is also facing civil personal injury claims by five women, including one who accused him of rape.

In a significant move, Meta has been fined $375m in a landmark case, highlighting the growing scrutiny of big tech companies. The fine, reported by The Guardian, marks a major development in the ongoing debate over tech regulation and accountability.The case, which involved multiple authors including Lucy Hough, Katie McQue, Bryony Moore, Ryan Ramgobin, and Zoe Hitch, underscores the increasing pressure on tech giants to adhere to regulatory standards. As the digital landscape continues to evolve, this ruling sets a precedent for future cases involving big tech.

The relationship between dogs and humans has long been a subject of fascination, and recent groundbreaking research has shed new light on the origins of this enduring bond. Published in the journal Nature, the study reveals that the genetic evidence for domestic dogs dates back an astonishing 15,000 years, a full 5,000 years earlier than previously thought.Ancient DNA analysis of dog remains has provided unprecedented insight into the early days of dog domestication. The oldest specimen, a 15,800-year-old dog buried alongside human remains in Anatolia, Turkey, and a 14,300-year-old jawbone from Gough's Cave in Somerset, England, are key findings that have helped researchers reevaluate the timeline of dog domestication.According to Dr. Lachie Scarsbrook of Ludwig Maximilian University of Munich, the study suggests that dogs with diverse ancestries already existed across Eurasia 15,000 years ago, from Somerset to Siberia. This raises the possibility that domestication occurred during the last ice age, more than 10,000 years before the emergence of other domestic plants and animals.The research, conducted by international teams, analyzed DNA from bones at various sites, including Gough's Cave, Pınarbaşı in Turkey, and two sites in Serbia. Advanced sequencing techniques allowed researchers to piece together tiny fragments of ancient DNA, enabling clear species identification for the first time.Key findings include:Dogs were widespread across Europe and western Asia by at least 14,000 years ago.Isotopic analysis revealed dogs consumed a diet rich in fish, matching the local human diet in Turkey.Evidence of deep emotional bonds between humans and dogs, including the burial of puppies over human remains.The study's authors suggest that dogs may have increased hunting efficiency or served as an early warning system against predators. The genetic relationship between dogs across sites implies that they may have spread rapidly across Europe, possibly through trade between unrelated groups.As Prof. Laurent Frantz notes, the fact that people exchanged dogs so early suggests these animals must have been important, serving purposes beyond being pets. The research provides a fascinating glimpse into the ancient partnership between humans and dogs, highlighting the significance of this bond in human history.