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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.

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.

Amazon Prime's latest action thriller, Pretty Lethal, brings a unique twist to the genre by featuring a group of young ballet dancers who use their skills to take down bad guys in Eastern Europe. The film, directed by Vicky Jewson, offers a fresh take on the action genre with its blend of ballet and combat. The story follows a group of American dancers, including Lana Condor, Maddie Ziegler, and Millicent Simmonds, who are on their way to a competition in Budapest when their bus breaks down in the middle of nowhere. They soon find themselves facing off against a group of ruthless henchmen, led by Uma Thurman's character, Devora. With a runtime of less than 90 minutes, Jewson keeps the action fast-paced and thrilling, making use of the dancers' skills to create a unique and entertaining fight choreography. While the script may feel a bit basic at times, the film's energy and tenacity make up for it. Pretty Lethal is not trying to be a high-brow film, but it does offer a refreshing change of pace from the usual nihilistic and smug action films. The young actors, including Condor, Ziegler, and Simmonds, deliver convincing performances as they learn to fight on the job. Uma Thurman, as the villain Devora, brings a level of hammy humor to the film, but her performance feels somewhat underutilized. Overall, Pretty Lethal is a fun and entertaining action thriller that is worth checking out.

Mark Simmons, a rising star in the comedy world, has made a name for himself with his quick wit and clever one-liners. In a recent interview, Simmons opened up about his journey as a comedian, his inspirations, and his latest tour, Jest to Impress.Simmons' love affair with comedy began when he was starting out. He devoured DVDs and videos of standups, drawn to those who dared to be different. Stewart Lee, Rhod Gilbert, Lee Mack, and Noel Fielding were among his early inspirations. Simmons' own style is characterized by his ability to craft clever one-liners and gags, earning him the title of Dave's Joke of the Fringe winner in 2024.When it comes to writing new material, Simmons has a keen eye for wordplay. He recalls a conversation with a friend that sparked a joke, showcasing his ability to find humor in everyday life. Simmons' process involves collecting notes and ideas, which he then crafts into jokes.Simmons has had his fair share of memorable gigs, including a standout performance at Glastonbury festival and a recent show at Nottingham Playhouse, where he performed to a sold-out crowd of 700 people. His show, Jest to Impress, is a celebration of silliness and wordplay, offering audiences a chance to forget their worries and have a laugh.Simmons also hosts a podcast where he discusses jokes that haven't quite landed. He shares an example of a joke that works on paper but not in front of an audience, highlighting the challenges of comedy. While awards like Dave's Joke of the Fringe are fun, Simmons acknowledges that they can be reductive, but he's proud to be the undefeated champion.Jest to Impress is currently on tour in the UK and Ireland until November 28. Fans of Simmons can catch him live, enjoying his unique brand of comedy that promises to leave audiences laughing and entertained.

A recent Australian Senate inquiry has concluded that the country's climate change and energy 'information ecosystem' is fuelling conflict in communities, with misinformation and disinformation confusing the public, slowing renewable energy projects, and undermining policy responses to the climate crisis.The inquiry's final report, released on Tuesday evening, recommended that the government do more to make tech companies liable for 'psychosocial harms' spread on their platforms. It also suggested strengthening media literacy through the national curriculum and greater oversight when corporations engage with classrooms.The committee recommended more funding for research into mis- and disinformation, with a funding model to be developed for an independent effort to 'track hidden digital influence systems'. The Australian government should also sign a UN declaration, launched in Brazil in 2025, promising a series of actions aimed at combating climate mis- and dis-information.The use of artificial intelligence by groups looking to block progress on climate change was likely to further threaten the integrity of information the public received, the inquiry heard. The committee's Greens and Labor members endorsed the report, but some members felt it did not go far enough in addressing the issue.The inquiry's findings have significant implications for Australia's renewable energy future and its ability to address the climate crisis. As climate disinformation continues to evolve into a national security challenge, the Australian government must take urgent action to protect the integrity of information and promote a safe climate future.

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.

Photographer Peter van Agtmael captured a striking image during his first trip to Iraq 20 years ago, which has become a defining moment in his career. The photograph shows a dejected soldier sitting in a domestic living room, highlighting the incongruity of war in everyday life.Van Agtmael, who was 25 at the time, had been embedded with the US military for six weeks. He wanted to move beyond traditional war photography, which often focuses on violence and horror, and explore the human side of conflict. This image, he says, crystallized his understanding of the US military's role in the Middle East and the absurdity of war.The photograph shows a soldier in a mundane setting, which could be anywhere in the world. Van Agtmael notes that this juxtaposition of war and domesticity reveals the complexity of human nature and the proximity of war to everyday life. He believes that war is part of the human soul and that it's essential to acknowledge this reality.Van Agtmael's experience in Iraq was formative, and he reflects on the failures of the war in Iraq and Afghanistan. He questions the effectiveness of externally created regime change and the long-term impact of military interventions.As a war photographer, van Agtmael has grappled with the moral complexities of his work. He believes that thoughtful documentation of human violence can have a moral impact, but also acknowledges the challenges of being a witness to extreme violence.Now a father, van Agtmael has shifted his focus away from war photography. He reflects on the changing nature of his work and the importance of finding new purpose in life.

The modern cricket calendar has been likened to a game of Tetris that has gone awry, with players facing an intense schedule that leaves little room for recovery or emotional processing. This has significant implications for their mental wellbeing and performance. Elite cricketers, such as New Zealand's Mitchell Santner, are expected to bounce back quickly from defeats, often playing matches just days apart. Santner's team, the Black Caps, suffered a 96-run loss to India in the T20 World Cup final on March 8, and Santner was back in action just seven days later against South Africa. Mental skills coach Maurice Duffy notes that recovery from emotional trauma can take weeks or months, but cricketers are often given only days to process their emotions. Duffy emphasizes the importance of balance and 'reset' for players to maintain their performance and mental health. The issue is not just the volume of cricket, but also the emotional demands of the game. Players are expected to process failure, challenge, and disappointment quickly and then perform at a high level. This can lead to burnout, which is not just about playing too much cricket, but also about playing without meaning. The Indian Premier League (IPL) is set to start just three weeks after the T20 World Cup, which is a relatively generous turnaround compared to previous years. The IPL's rapid start highlights the packed schedule and the challenges it poses for player wellbeing and fan engagement. Experts argue that the constant grind of the modern calendar takes a toll on players and fans alike. With so many matches and competitions, it can be difficult for fans to keep up and invest in bilateral series that often seem inconsequential. Ultimately, finding a balance between competition and recovery is crucial. As Duffy points out, athletes need to find their 'why' – their purpose and motivation – to maintain their effort and engagement in the face of a demanding schedule.

Classical music has long struggled to find relevance and impact in modern times, but a surprising solution may have been found in the form of a blue heeler puppy. Bluey, the Australian cartoon for children of all ages, has become a global phenomenon with over 45 billion minutes watched in the US alone and over 1 billion streams of its albums and soundtracks. The show's music, composed by Joff Bush, is a key factor in its success. Bush's soundtrack is remarkably diverse, incorporating a wide range of genres, including classical music. He seamlessly weaves in classical pieces from renowned composers like Bach, Beethoven, Mozart, and Holst, making them an integral part of the show's narrative. One notable example is the use of Mozart's Rondo alla Turca in the show's first episode, Magic Xylophone. This introduction to classical music is not done in a forced or condescending way; instead, Bush uses these pieces to enhance the emotional impact of each scene. For instance, Holst's Jupiter from The Planets is used in the Sleepytime episode to create a cosmic journey for Bingo. The new Bluey album, Up Here, continues this trend, featuring a three-and-a-half-minute orchestral tone-poem on the Bluey theme tune. This piece serves as a Young Person's Guide to the Orchestra for 2026, introducing listeners to various musical sections and instruments. The album also includes quotes and transformations of famous classical pieces, such as Mozart's Eine Kleine Nachtmusik and Vivaldi's Spring from The Four Seasons. Bush's approach to incorporating classical music into Bluey is refreshing and effective. Unlike previous cartoons that used classical music to parody or mock its elitist pretensions, Bluey presents these pieces in a joyful and organic way. This approach has the potential to introduce classical music to billions of listeners worldwide, making it a significant development in the classical music landscape.