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Iran has assured that 'non-hostile' vessels can safely pass through the Strait of Hormuz, a vital shipping route for about one-fifth of the world's oil and liquified natural gas supplies. The assurance comes amid a significant collapse in maritime traffic through the strait, which has contributed to a major global energy crisis.In a statement released through its mission to the United Nations, Iran specified that ships would be allowed to transit the strait 'provided that they neither participate in nor support acts of aggression against Iran and fully comply with the declared safety and security regulations.'The development follows a sharp decline in shipping traffic through the strait, with only about 5 vessels passing through daily, compared to an average of 120 daily transits before the US-Israel conflict began. This reduction has led to a surge in global energy prices, with Brent crude experiencing significant fluctuations.Iran's statement also mentioned that ships will be allowed to transit 'in coordination with the competent Iranian authorities.' The country has shared similar assurances with the International Maritime Organization (IMO), the UN body responsible for international shipping safety and security.The move comes as US President Donald Trump mentioned ongoing negotiations to end the conflict with Iran, despite Tehran's previous denials of talks. The situation remains complex, with global markets closely watching for any signs of resolution.

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.

Martin Dohrn, a veteran wildlife photographer, has created a joyous film that explores the fascinating world of bees in his urban Bristol garden. The documentary, 'My Garden of a Thousand Bees', features over 60 species of bees and showcases their unique characteristics and behaviors.Dohrn's enthusiasm for bees is palpable as he shares his experiences with the audience. He notes that bees live in a 'completely different dimension' and that his approach to filmmaking is 'time-stretching', resulting in breathtaking detail and a soundtrack that immerses the viewer in the world of bees.The film features a range of bee species, including the wool carder bee, the ashy mining bee, and the red-tailed mason bee. Each species is showcased in its natural habitat, highlighting their unique characteristics and behaviors. Dohrn's interactions with the bees are both fascinating and heartwarming, particularly his bond with a leafcutter bee named Nicky.The film's themes of companionship and appreciation for nature are woven throughout the narrative, making it a delightful and educational watch. Dohrn's passion for bees is infectious, and the film encourages viewers to appreciate the importance of these vital pollinators.The documentary also touches on the decline of bee populations worldwide, with Dohrn noting that 'all over the world, bees are declining'. However, the film's focus is on the beauty and wonder of bees, rather than the doom and gloom of their decline.The film's message is clear: let's appreciate and protect these incredible creatures. As Dohrn says, 'It's changed my view of bees. It's changed my view of the world.''My Garden of a Thousand Bees' is available to watch on BBC Four and iPlayer.

The ongoing conflict in Iran has sent shockwaves through global energy markets, with economies in Asia being hit particularly hard. The closure of the Strait of Hormuz, a critical passage for oil and gas shipments, has led to a 90% collapse in traffic through its waters. This has resulted in energy prices surging, affecting countries such as India, Nepal, and the Philippines.India has redirected liquefied gas supplies to households, limiting them to the plastics industry, while Nepal has rationed gas and the Philippines has trimmed the government workweek to four days. Bangladesh has closed universities and rationed fuel, highlighting the widespread impact of the conflict.The US economy has shown relative resilience, with the S&P; 500 index losing only 5% since the start of the conflict. This is attributed to the country's abundance of domestic natural gas, which satisfies about 36% of its energy needs and insulates it from international price fluctuations.However, this has led to accusations that the US is recklessly spreading havoc globally while suffering relatively little harm itself. The tariffs imposed by the US have also had far-reaching consequences, with economists concluding that US consumers and businesses are paying the majority of the costs.The International Monetary Fund has revised its growth forecasts, noting that the US economy has emerged largely unscathed, while prospects for economic growth in other countries have weakened. The World Trade Organization has warned that persistently high energy prices will slow merchandise trade growth and have a lopsided impact on growth, with North America potentially seeing a boost, while Europe and Asia are likely to be negatively affected.The conflict has also disrupted the oil and gas economy, with countries like Bangladesh, India, and Pakistan facing a drop in remittances from their citizens working in Gulf countries. Furthermore, the environmental impact of the conflict has been significant, with interest in coal being reinvigorated in Asia as a result of the energy crisis.The US's actions have raised concerns about its reliability as a partner in maintaining international stability, with erstwhile allies forced to accept that Trump's America is now a source of global uncertainty. The US's belligerence is unlikely to end soon, with tens of millions of Americans motivated by contempt for the rest of the world and a desire to assert US dominance.

Rob Petit's documentary Underland, inspired by Robert Macfarlane's bestselling book, delves into the mysterious world beneath the Earth's surface. The film features Mexican archaeologist Fátima Tec Pool exploring cenotes on the Yucatan peninsula, theoretical physicist Mariangela Lisanti studying dark matter in an ultra-clean facility in Canada, and urban explorer Bradley Garrett navigating storm-drain tunnels in Las Vegas.The documentary intertwines these experiences with Sandra Hüller reading poetic prose about the 'nether' in a faintly Americanised accent. While the film raises intriguing ideas, it sometimes struggles to reconcile natural underground spaces with human-made ones. The most striking scenes showcase Lisanti's work searching for dark matter, highlighting the vastness of deep time and the potentially fruitless pursuit of scientific discovery.The film is set to release in UK and Irish cinemas on 27 March, offering viewers a chance to explore the hidden world beneath their feet.

The escalating geopolitical tensions in the Middle East are creating substantial uncertainty for energy markets across Asia, with analysts increasingly concerned about potential supply chain disruptions that could trigger widespread energy shortages.Regional instability in the Middle East has traditionally had far-reaching consequences for global energy markets, given the region's status as a primary source of oil and natural gas exports. Asian nations, which are among the world's largest energy importers, are particularly vulnerable to any disruptions in supply routes or production facilities.Energy security experts warn that prolonged conflict could lead to significant price volatility and potential shortages, particularly affecting countries with heavy industrial sectors and rapidly growing energy demands. The situation underscores the delicate balance between geopolitical stability and economic prosperity in the region.

The innaugural Hilary Mantel Prize for Fiction has been awarded to Anna Dempsey and Uduak-Abasi Ekong, two emerging writers from the UK and Ireland. The prize, established in memory of the late Booker Prize-winning novelist Hilary Mantel, aims to support unpublished and un-agented writers.Anna Dempsey, a Florida-born writer and teacher who now lives in London, won the prize for her unpublished novel This Is About an Alligator and Nothing Else, taking home £7,500. Her novel is a coming-of-age story set on the edge of the Florida Everglades, where a small town faces a water contamination crisis linked to corporate negligence.Uduak-Abasi Ekong, a Manchester-based Nigerian writer, was named runner-up for her novel A Kind of Resurrection, receiving £2,500. Her novel is a work of psychological horror drawing on West African folklore, in which supernatural elements are intertwined with emotional trauma.The judging panel was chaired by the bestselling author Maggie O’Farrell and featured Nicholas Pearson, Ben Miles, Chetna Maroo, and Chigozie Obioma. The prize is open biennially to unpublished and un-agented writers in the UK and Ireland, who submit an extract of 15,000 words.

Oil prices have experienced a significant surge, rising more than 5%, in the wake of an Israeli strike on Iran's South Pars gasfield. This development comes as the United States-Israeli conflict with Iran continues to escalate.The international standard, Brent crude, rose 5 percent to $108.66 a barrel on Wednesday. Meanwhile, US West Texas Intermediate crude (CLc1), the price barometer for US oil, gained 2.5 percent to $98.65. This widened its discount to Brent to the largest since May 2019, driven by fears of a prolonged conflict.Iranian state media reported that natural gas facilities associated with its offshore South Pars field – the largest gasfield in the world, located off the coast of southern Iran's Bushehr province – were attacked. Iran's Revolutionary Guard threatened to attack oil and gas infrastructure in Qatar, Saudi Arabia, and the United Arab Emirates, heightening the risk of further disruptions to energy supplies in the region.Later on Wednesday, Qatari authorities reported a fire at the country's Ras Laffan gas facility after an Iranian ballistic missile attack. Qatar's Interior Ministry later confirmed that the fire had been brought under control.The US-Israeli war on Iran and Tehran's retaliatory attacks on Gulf neighbours have disrupted oil and natural gas exports from the Middle East and forced production stoppages. Experts warn that if these disruptions keep oil and gas prices elevated for an extended period, the global economy could experience a wave of inflation.Fighting has halted most shipments via the Strait of Hormuz, through which 20 percent of global oil and liquified natural gas supplies pass. Total oil output cuts in the Middle East are estimated at 7 million to 10 million barrels per day or 7 percent to 10 percent of global demand.

The relationship between Iran and African nations has emerged as a significant focal point in international diplomacy, with potential ripple effects that could reshape economic partnerships and political alliances across the continent. While the full extent of these connections remains to be fully explored, analysts suggest that developments in Iran's foreign policy and economic strategies may serve as a harbinger of future engagement models between Middle Eastern powers and African states.As global power dynamics continue to shift, the strategic importance of Africa's natural resources and growing markets has drawn increased attention from various international actors. The evolving relationship between Iran and African nations represents one of the emerging patterns in this complex geopolitical landscape, with potential implications for trade routes, security cooperation, and diplomatic influence in the coming decades.