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The Lead All murders are shocking, but few unsettle a nation in the way that of Rachel Nickell did in 1992. She was stabbed 49 times while walking on Wimbledon Common during the day with her two-year-old son, Alex. The viciousness of the attack, in a public place and in front of a child, lingered darkly in the minds of the public, especially since Alex being the only witness enabled the killer to remain at large for years. A New Perspective on a National Tragedy It is a crime that has been discussed, analysed and dramatised, but never quite in the way The Witness does. Across its three episodes, narrative emphasis rarely falls where we expect it to, because the main characters are not the police or the killer but the family Rachel left behind: Alex (Jahsaiah Williams, then Max Fincham as the older boy) and his devastated father André (Jordan Bolger). This harrowing new perspective proves to be rewarding. The Family's Ordeal André has to deal with the grief of losing his partner, the challenge of becoming a single parent overnight, the complexity of caring for a traumatised young boy and the demands of the police investigation. The Witness is particularly interested in whether Alex, who is too young for anyone to be certain about how well he understands what he saw, will be further damaged by efforts to extract whatever information is locked up in his preschooler's brain. André must make the call about how far to push him. The Media's Intrusive Role Even taking into account the long history of despicable behaviour by the British tabloid press, their portrayal here is startling: they are everywhere, at André and Rachel's home, at the police station and the crime scene, a feral pack barking out crass questions that combine into a wordless roar. When André seeks refuge at his mother's house, reporters and paparazzi work out where it is and camp outside, rifling through the bins and stealing the post. After one visit to the police, André steps into the car park to the familiar wall of aggressive squawking, but now one of the hacks is doing a racist monkey chant to try to provoke him into engaging. Psychological Impact of Trauma As the story hops back and forth in time, we see Alex as a teenager, rebelling in normal ways, with the unique extra fissure of the disagreement between him and his father about how to address their past: Alex doesn't want to, but André knows this is unsustainable. The war between them can make them frustrating protagonists, constantly butting up against problems they don't know how to resolve, and Bolger sometimes struggles to bring depth to a role that requires him to be extremely sad and stressed at all times. When they do eventually find a path, though, it is a sweet redemption, very well earned. The Value of This Perspective If both that section of the narrative and the one following the later cold-case investigation that caught the real killer feel perfunctory, they give us a strange sort of respite from André and Alex's ordeal. They had to live it, without help or relief; The Witness is a valuable insight into what that hell was like.

The Vision for AI Coding Agents Cognition CEO Scott Wu made headlines again this week when his two-year-old AI coding agent startup raised $1 billion at a $26 billion valuation. Cognition is the maker of Devin, one of the first and, arguably, most successful AI coding agents. Devin, the CEO says, “naturally owns tasks end to end.” The Future of Software Development In fact, in the blog post announcing that raise, Cognition laid out a vision where “we are shifting to a world of self-driving software development.” So, could Devin replace, say, a mid-level L4 programmer? Yes, and no, Wu told TechCrunch. “We’ve never thought about it as replacing humans. I know it’s like a scenario, folks have said these things. It has never been our view.” Preserving the Joy of Programming Wu emphasizes that the goal is not to make human programmers obsolete. “We are all programmers ourselves,” he explained. “I started coding when I was nine.” He views agents as another layer of abstraction between envisioning a software product and producing it, similar to how visual development environments abstracted software creation away from machine instructions. The Role of Devin in Cognition Cognition says that Devin’s role in its own company is to ship nearly all the software. The company says that 89% of code committed by its engineers was committed by Devin, and the rest by local agents. Wu explains that his agent’s role is largely to do the kinds of long-tail maintenance tasks that many programmers don’t like to do anyway: bringing old software up to date; moving applications off one platform and onto another. The Future of AI Agents Wu predicts that agents will enter other fields where they will learn tasks, from customer service to medicine, but hopes the goal will be to augment human workers in those areas, too. “Code and software has been the first to move, but we’ll see this happen in all these other industries,” he predicts. “One thing that’s been clear to us since the beginning is, it should always be up to the human what to do … you really see this in software engineering, but I think it’s true in all these other professions too.”

The Simeone Legacy Continues At the beginning of the final training session before their biggest game in a decade, Atlético Madrid's players lined up by the centre circle at the Metropolitano and waited for their coach to come. Diego Simeone arrived and ran through the middle of them, from Juan Musso and Jan Oblak at one end to Antoine Griezmann and Ademola Lookman at the other. As he passed, head down, they cheered and hit him – if not quite as hard as they do when it's a player's turn. Gauntlet run, applause echoed round the empty stadium. Happy birthday, mister. Simeone turned 56 on Tuesday. He has spent almost 20 of those here: first as the captain who won the double, then the coach who lifted Atlético's next league title, 18 years on, and now leads them into his fourth and their seventh European Cup semi-final, nine years since the last. What do you get the man who has it all? "Buah! You can't imagine how good it is to be in the four best teams in Europe," he said after the quarter-final; "I have no birthday wish," he said before this semi-final, "just pure gratitude to be able to be with my three sons on my birthday, with my two daughters, my mum, my wife, my lifelong friends." From Ballboy to Professional One of the sons was hidden in the crowd somewhere, hitting him. The day that Simeone bade farewell to the Vicente Calderón as a player in December 2004, he carried his youngest son, two-year-old Giuliano, in his arms. The days before he came back to Madrid as coach in December 2011, he stopped in a cafe in Mar del Plata and, over a croissant and a glass of milk, asked Giuliano, then eight, what he thought. "You're going to coach [Radamel] Falcao?!" the kid replied, excitement giving way to reality. "But … if it goes well, you won't come back." It did and he didn't, but that was all right. Fourteen years later, Giuliano's dad is still there – no manager in Spanish history has lasted longer – and now so is he. Born in Italy in December 2002, Giuliano grew up in Argentina with his elder brothers, Giovanni and Gianluca, but they visited often and their dad visited them too. They would eat "together" via an iPad on matchday mornings. Football was their thing, of course, bound by a shared passion. Glasses would be moved round the table in formation and they would find bits of paper all over the house, Gio recalled: tactical scribblings their dad did. The Making of a Footballer During celebrations after Atlético's 2012 Europa League title, Simeone Sr was caught on camera excitedly talking on the phone: "And did you see Falcao's goal?!" On the other end was Giuliano. The night Atlético won the Copa del Rey in 2013, it was a school night, too late, but the brothers went through the usual routine at home, scarves draped around the room. When Atlético won the derby in January 2015, a tiny ballboy in a white bib and long hair came racing along the touchline – something he was going to be very good at – and leaped into the coach's arms. That was Giuliano too. As a ballboy he was invariably by the bench and, yes, there were times his dad told him to slow down a bit if they were winning. He would visit training at Cerro del Espino in Majadahonda near the family home and have a kickabout. "It was crazy seeing the players up close," he has said. "I always thought: 'Imagine being out there; that would be mad.'" After Falcao, his idol became Antoine Griezmann. Overcoming the Family Legacy Competition came closer to home. "They would kick me, throw me to the floor, and if I cried, I couldn't play with them any more; I learned to be tougher," Giuliano said of playing with his brothers. Gianluca and Gio were good, becoming professionals like their dad, and they suspected Giuliano would be good too. Just maybe not this good. He was 16 when he left River Plate's academy and crossed the Atlantic to join Atlético's youth system, living with his dad, watching him pore over formations every morning. When he turned 18, though, Simeone Sr kicked him out; it was time to be a man. Now, his dad is his manager and his hero is his teammate. Which might make it sound easy, but it hasn't been – in part precisely because it might sound easy. In a recent interview with Jorge Valdano, Giuliano admitted: "At times, it can feel strange to me, wondering what others might think." When Valdano joked that the best thing is, when your teammates speak badly of the manager, speak even worse. The reply came back rapidly: "No doubt!" Giuliano admitted that had affected him when he was younger, telling Cadena Ser: "When I was 12 people said I was playing because I was my father's son. I try to isolate myself from [that]. I know I won't be gifted anything." The Father-Son Dynamic Quite the opposite. Simeone Sr once said that there was no way he would sign his son because of the baggage it would bring: the suspicion, the pressure. "I don't want to say never, but …" he said. "It would be very difficult to have a son in the dressing room. Very difficult for him, for the relationship, for everyone." But he said that about Gio not Giuliano, and Atlético didn't sign the latter nor really plan for father and son to coincide. He was just another kid from the academy, trying to prove himself.

East Darfur, Sudan — Hawa Adam did not expect a childhood illness to kill her son. Ali was two years old when he fell sick on February 25 in Labado, in Sudan’s East Darfur state. He died two days later.“I thought it was one of the ordinary childhood diseases,” the 37-year-old told Al Jazeera. “I never imagined I would lose my child to this epidemic.”Hawa attributes his death to the absence of basic medical care – no vaccination, no qualified doctors. “Most doctors”, she says, “left the area after the war broke out, forcing those with means to seek treatment abroad, in South Sudan or Uganda.”The Collapse of Routine Immunization in East DarfurA measles outbreak has struck several Labado districts since March, killing approximately 70 people and infecting about 1,000 others across 12 residential neighbourhoods, in a population of roughly 12,000, which includes displaced people who arrived during the war, according to Mohamed Abdel Aziz, 32, coordinator of the Labado crisis unit.Those numbers were disputed by East Darfur’s health director, Dr Jabir al-Nadeef, who confirmed to Al Jazeera that measles has struck four districts of the state, but only reported 300 cases and 26 deaths, figures that diverge substantially from those documented by the Labado emergency room.“Vaccines only arrived on April 11 from Chad via UNICEF [United Nations Children’s Fund ], after a prolonged period with no supply, and a vaccination campaign is scheduled to run from April 18 to 24 across the state,” he said.Measles is one of the world’s most contagious diseases, spread by contact with infected nasal or throat secretions or breathing in air that was breathed out by someone with measles, according to the World Health Organization (WHO). Outbreaks can result in severe complications and deaths, especially among young, malnourished children.Transmission: Contact with infected secretions or airborne particles.Current Coverage: Measles vaccination has fallen to 46 percent.Routine Immunization: First dose of diphtheria, tetanus, and pertussis dropped to 48 percent in 2024.Quantifying the Human Cost: Disputed Death Toll and Economic BarriersThe first measles cases in Darfur in the current outbreak were recorded in January, according to UNICEF. It is unfolding against the backdrop of a near-total collapse of public health infrastructure across Darfur, where war has gutted facilities, halted routine vaccination and driven out medical personnel.“We discovered the outbreak by accident,” Abdel Aziz, the coordinator, told Al Jazeera. The teams had been conducting home visits for a fire-prevention workshop when they saw the scale of the outbreak, with almost half of the homes visited having measles cases.In the al-Nil neighbourhood, Ismail Issa, 38, lost his two-year-old daughter Makarem on March 11. His brother Ahmed lost an 18-month-old son, Issa, on March 25. Then Hasan, the three-year-old son of Ismail’s sister Medeeha, died on March 23. All three families live in adjoining homes, and the infection passed between them.Abdel Aziz traced much of the death toll directly to a supply failure. Medicines ran out at the government health centre on February 23. Drugs remain available at private pharmacies, but most residents cannot afford them.Intravenous fluids: 8,000 Sudanese pounds ($20.50).Antibiotics: 10,000 to 15,000 pounds ($25.60 to 38.40).A Public Health Catastrophe UnfoldingAsmaa Jalaluddin, 28, lives in the Dar al-Naim West neighbourhood of Labado with her three children. Her three-year-old daughter, Mashaer Rajab al-Sheikh, fell ill on April 5 with fever, diarrhoea and persistent vomiting. She stopped eating and kept her eyes shut for four days.On April 8, Asmaa took her to the Labado health centre, where she was told her daughter had measles. With no medicines available, she was directed to travel to Shuairiya, 40 kilometres north. There, on April 10, Mashaer received fever reducers and vitamins and slowly began to open her eyes again. She was discharged two days later.Local doctors are now calling for intervention from international health organisations, noting that diseases that had been eliminated are returning.UNICEF spokesperson for Sudan, Eva Hinds, told Al Jazeera that “measles cases continue to be reported across Darfur, with insecurity, displacement, damaged health facilities, and prolonged disruption to routine immunisation all constraining the response.”UNICEF says that a measles-rubella vaccine catch-up campaign has been completed across all localities in Central Darfur and West Darfur, as well as parts of North and South Darfur, reaching approximately 2.1 million children aged nine to 14. Vaccination in remaining areas, including East Darfur, is scheduled for mid to end of April, aiming to reach close to 750,000 children across all nine of the state’s localities.The Long Road to RecoveryFor the families of Labado, the calendar offers little comfort. In the al-Nil neighbourhood, three siblings buried their children within days of one another over the Eid holiday. In Dar al-Naim West, a mother counts the days until her daughter’s 14-day isolation ends. In the Safaa neighbourhood, Hawa Adam has already buried hers.“They could have still been alive,” Hawa Adam said. “Those without money die in Darfur.”

The Rise of Pet Wearable TechnologyAs humans increasingly monitor their own health through wearable devices tracking steps, heart rate, and sleep patterns, a parallel market has emerged for our four-legged companions. Pet health and activity trackers are bounding onto the market, promising to provide similar insights for dogs, cats, and other animals. This technological shift reflects the growing humanization of pets, with owners increasingly seeking data-driven approaches to animal care and wellbeing.Health Monitoring Benefits for PetsFor some pet owners, these devices have proven invaluable. Bryan Becker, a Wisconsin resident, found that a health tracker helped establish a baseline activity level for his two-year-old rescue dog, Kodak, who is anxious, deaf, and sight impaired. The device provided crucial data that helped determine the optimal dosage for Kodak's anti-anxiety medication, ensuring the dog remained active and happy without being over-medicated.Companies producing these trackers emphasize their potential for early detection of health issues. Martin Theißen, CMO of Tractive, explains that "pets instinctively hide pain or illness, symptoms often only become observable to humans once a condition is advanced." Their technology establishes unique baselines for each pet and sends health alerts when vitals deviate, potentially enabling earlier veterinary intervention.The Growing Market LandscapeThe market for pet fitness trackers is experiencing significant growth, with projections indicating it will reach $450 million (£333 million) by 2035, according to Future Market Insights. This expansion reflects both technological advancements and changing pet ownership dynamics, with owners increasingly willing to invest in premium healthcare solutions for their animals.The industry includes companies like Tractive, Fi, and Pitpatpet, each offering different combinations of GPS tracking, activity monitoring, and health metrics. These businesses argue that while human observation remains important, technology can detect subtle changes that might otherwise go unnoticed, particularly when owners cannot constantly monitor their pets.Expert Divides on Pet Tech ValueVeterinary professionals remain divided on the utility of these devices. Dr. Elizabeth Mullineaux, senior vice-president of the British Veterinary Association, cautions that "pet fitness trackers can be a fun tool to gain an insight into your pet's overall health, but they are ultimately costly and unnecessary accessories with the potential to cause needless worry if the data is over-interpreted."However, others see greater potential. Amanda Boag, vice-principal for clinical services at the Royal Veterinary College in London, acknowledges that while the field is "in its infancy," these devices have "huge potential to improve animal wellbeing" and enhance communication between veterinarians and pet owners. The RVC is even working on a prototype health tracker with a spinout company, indicating the veterinary field's growing interest in this technology.Future of Pet Health MonitoringAs the technology matures, pet fitness trackers may become more integrated into veterinary care. Proponents suggest these devices could help address the significant issue of pet obesity—estimated to affect 50% of dogs—by helping owners establish and maintain appropriate activity goals. Additionally, capturing data outside the stressful environment of a veterinary clinic could provide more accurate health assessments.The integration of artificial intelligence in interpreting pet health data represents another frontier. Companies like Fi are leveraging AI to help owners understand trends and relevance in the collected data, potentially transforming raw information into actionable insights for pet care. As this technology evolves, the debate between technological monitoring and traditional veterinary expertise will likely continue, but the growing market suggests that pet wearables are here to stay as part of the modern pet care ecosystem.

The Human Cost of Climate DisastersThe water mark on Naira Santa Rita's wall told the story before she could find the words for it. High and brown, like a scar, it was the line left by the floodwater on 15 February 2022 – the night Petrópolis drowned. Within minutes, the mountain city she called home became a war zone. From her window, she watched bodies float past in the streets below. More than 230 people died that night, in what was until then Brazil's worst climate disaster.But Santa Rita's story extends far beyond that single tragedy. She is one among millions in a global crisis that remains largely invisible: climate displacement, a phenomenon that disproportionately destroys women's lives.Three Disasters in Three YearsBrazil has become a laboratory for this accelerating crisis. Three disasters in three years trace an upward curve of devastation: Petrópolis in February 2022, which killed 233 people; Recife three months later in May, when 130 people died; and Rio Grande do Sul in May 2024 – the state's largest natural disaster, affecting 2.4 million people across 478 municipalities, killing 183, and causing economic losses estimated in the billions of reais.That February afternoon, Santa Rita, then 24, had cancelled her two-year-old son Cainã's medical appointment. The rain was intensifying. "The city becomes chaotic when it rains," she says. The decision saved their lives – two buses full of passengers were swept away in the city centre.The Global Data on Climate DisplacementThe numbers are staggering. Over the past decade, climate-related disasters have displaced 250 million people globally – equivalent to 70,000 people forced from their homes every day.According to the UN high commissioner for refugees (UNHCR), more than 120 million people worldwide are now forcibly displaced. Of these, about 90 million live in countries with high or extreme exposure to climate risks, and half exist in the brutal intersection of conflict zones and severe climate threats.In Latin America and the Caribbean – the region most exposed to extreme climate events after Africa – an average of 2.4 million people a year have been displaced within their own country over the past decade. And the future looks even darker: by 2040, the number of countries facing extreme climate risks is expected to jump from three to 65. By 2050, most refugee camps will endure twice as many days of dangerous heat as they do today.Why Women Bear the Brunt"With the intensification of climate change, a significant increase in cyclical and prolonged displacements is expected," warns Sílvia Sander, protection officer at UNHCR. "Women who return to disaster-prone areas face successive displacements – being forced to move again and again – making life reconstruction difficult. Each new climate event destroys resources, increasing dependence on humanitarian aid.""You think you're safe in a building – you're not; it's an illusion," Santa Rita recalls. "I saw water coming in, not through the drain, but through the walls. You can't control water, tell it, 'Stop, don't come in.' You see it, and everything's already gone."The Future Outlook for Climate DisastersAs climate change accelerates, the pattern of women being "the first to die" in disasters is likely to continue without targeted intervention. The intersection of gender inequality and climate vulnerability creates a deadly combination that requires specific policy responses.Climate experts warn that without significant global action to reduce emissions and adapt to changing conditions, the number of climate-displaced people could grow exponentially, with women and children making up the majority of those affected. The situation in Brazil serves as a warning for other nations facing similar climate challenges.

A devastating 5.8-magnitude earthquake hit Afghanistan on Friday, resulting in the tragic loss of eight lives from a single family in the Gosfand Dara area of Kabul province. The quake, which occurred at 8:42 pm local time (16:12 GMT), had its epicentre in the northeastern province of Badakhshan, approximately 290km (180 miles) northeast of Kabul.According to Health Ministry spokesman Sharafat Zaman, a two-year-old child was the sole survivor, sustaining injuries. The disaster management agency reported that the boy was hurt during the incident.The earthquake's impact was felt across multiple regions, including Kabul and the Indian capital, New Delhi. Tremors were also reported in Pakistan, including Islamabad, Peshawar, Chitral, Swat, and Shangla, with no immediate reports of damage or injuries.Afghanistan is prone to earthquakes due to its location along the Hindu Kush mountain range, near the junction of the Eurasian and Indian tectonic plates. On average, 560 people are killed by quakes in the country every year. The deadliest recent tremor occurred last August, when a shallow magnitude 6 earthquake in eastern Afghanistan killed at least 2,200 people.The country's impoverished infrastructure often hampers disaster response efforts, particularly in remote areas where homes are typically built with bricks, wood, and mud, making them vulnerable to seismic activity.

The betting market for the 2,000 Guineas at Newmarket on May 2 was thrown into confusion on Tuesday morning when two significant candidates from the Aidan O'Brien stable, Gstaad and Albert Einstein, were taken out of the race, apparently as the result of a computer error.Gstaad, the winner of the Breeders' Cup Juvenile Turf at Del Mar in November, was priced up at around 6-1 for the season's first Classic on Tuesday morning, and seen as potentially the Ballydoyle first string for a race that the stable has won a record 10 times.Gstaad assumed the role of O'Brien's No 1 contender after Albert Einstein, the winner of his first two starts as a juvenile in 2025 but unraced beyond May due to injury, finished only sixth of 10 runners on his three-year-old debut in a Listed race at the Curragh three days ago.Despite that reverse, however, and a subsequent suggestion that Albert Einstein might revert to sprinting with the Commonwealth Cup at Royal Ascot as an initial target, the colt was still priced up at 20-1 for the 2,000 Guineas and O'Brien intended to confirm both two-year-olds at the latest declaration stage on Tuesday.O'Brien told the Press Association on Tuesday that both Gstaad and Albert Einstein had been scratched as the result of “a computer error”, adding: “We're trying to get them back in.”The trainer expanded on his explanation, saying: “There was a blip on the computer. Something happened, the computer went bananas and took out a couple of horses that weren’t meant to be taken out.The 2,000 Guineas has a supplementary entry stage, six days before the race, when either or both of the excluded runners could be added back into the Classic at a cost of £30k, and O'Brien later suggested that is now the likeliest route for Gstaad and Albert Einstein.In the initial aftermath of Tuesday's declaration stage, Bow Echo and Publish, first and second respectively in the Ascendant Stakes at Haydock in September, moved to the head of the market as 4-1 joint-favourites, from odds of around 6-1 overnight.