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US markets witnessed a significant downturn on Thursday, marking their biggest slump since the onset of the US-Israel war with Iran. The Dow closed 450 points down, while the S&P 500 dipped 1.7%. The tech-heavy Nasdaq fell 2.3%, plunging into correction territory, which occurs when an index falls at least 10% below its most recent peak. The conflict has led to a surge in oil prices, reaching levels not seen since Russia's invasion of Ukraine in 2022. At the end of the day on Thursday, Brent crude oil, the global benchmark, was about $107 a barrel, while US crude hit $93 a barrel. Average US gas prices at the pump reached $3.98 a gallon, according to AAA. Despite the soaring prices, Donald Trump said that oil prices “have not gone up as much as I thought” during a cabinet meeting on Thursday. He predicted that prices would “come back down to where it was, and probably lower,” and that the impact on the stock market would reverse once the conflict ends. Markets have been growing weary of Trump's mixed signals on the US's stance in negotiations with Iran. Stocks dipped on Thursday morning after Trump posted a warning to Iranian negotiators that they “better get serious, before it’s too late.” However, later in the morning, Trump said that there were “very substantial talks” happening with Iran and that the country allowed 10 oil tankers to pass the blocked strait of Hormuz. The White House announced it will extend a pause on Iranian energy infrastructure strikes by 10 days, until 6 April. A new report estimates US inflation will average 4.2% this year, compared with an average of about 2.6% in 2025, according to the Organization for Economic and Cooperation and Development (OECD). The increase in inflation reverses what was expected to be strong growth for the global economy before the conflict began.

The connection between boxing and cinema dates back to the early days of film, with the first sports film being a 1894 short of a six-round match between Mike Leonard and Jack Cushing. Since then, boxing has been a staple of the big screen, captivating audiences with its high-stakes emotion, physical intensity, and personal turbulence.The British Film Institute's new season, The Cinematic Life of Boxing, curated by Clive Chijioke Nwonka, an amateur boxer since his childhood in London, explores this symbiotic relationship. Nwonka believes that an uncompromising hunt for realism is central to the relationship between the sport and artform, with films that interact with human experience, poverty, struggle, triumph, and boxing as a way of life.Boxing films often capture a political zeitgeist, as seen in the 1974 'Rumble in the Jungle' heavyweight championship match between Muhammad Ali and George Foreman, which was not just a fight but a referendum on ideology during the civil rights era. This fight was documented in the 1996 film When We Were Kings, described by Nwonka as 'probably the greatest sports documentary of all time'.The Rocky franchise, which has spanned six films and a spin-off series, Creed, under the direction of Ryan Coogler, is a barometer for all the films captured in its wake. The first film remains the hallmark of sporting cinema, successfully capturing the habitual experience of the sport outside its more glamorous moments.Despite the genre's popularity, boxing films are not immune to clichés, with many relying on stock characters and familiar arcs. However, the best film-makers are able to return to the core of these films: the stakes of signing up for a fight, and the physical, psychological, and real monetary costs of endurance.

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.

Mohamed Salah's final game before announcing his departure from Liverpool FC was a fitting tribute to his legacy. In a match against Galatasaray, Salah scored a goal, showcasing the skills that have made him a legend at Anfield. Throughout his time at Liverpool, Salah has been part of two great trios: the forward line with Sadio Mané and Robert Firmino, and the right side with Jordan Henderson and Trent Alexander-Arnold. His ability to score goals and create chances has been crucial to the team's success. Salah's statistics are impressive: 255 goals for the club, third on the all-time list behind Ian Rush and Roger Hunt. He has scored in 10 games in a row, a club record, and has scored 20 or more goals in a campaign for Liverpool eight seasons in a row. His most important goal was probably the penalty that set Liverpool on their way to victory in the 2019 Champions League final. His greatest goal, however, was his solo run in the 2-2 draw at home against Manchester City in October 2021. As Salah leaves Liverpool, his legacy will live on. He will be remembered as a club legend, and his contributions to the team's success will not be forgotten.

Cooper Lutkenhaus, a 17-year-old high school student from Texas, made history on Sunday by winning gold in the 800m at the world indoor athletics championship. He finished with a time of 1min 44.24sec, 0.14 seconds ahead of Belgium’s Eliott Crestan.Lutkenhaus, who turned 17 in December, broke the previous record for youngest champion held by Ethiopian Mohammed Aman, who was 18 years and 61 days when he won gold in the 800m in 2012.“I came into this knowing I probably wasn’t the favourite, but anytime I step into a final, I believe I have a chance to win,” Lutkenhaus said after his victory. He attributed his win to his youth, saying it gave him the confidence to make a defining move on the third lap.Crestan, who led at the halfway point, praised Lutkenhaus's acceleration, saying he is an incredible talent who could emulate the greats of middle distance running, including David Rudisha.Lutkenhaus's gold was Team USA's fifth of the championships, putting them top of the medal table ahead of Great Britain, who won four.