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The UK government has introduced new guidelines on screen time for children under five, developed by a panel led by the children's commissioner for England, Rachel de Souza, and children's health expert Prof Russell Viner. Children under two years old should avoid screen time except for shared activities that encourage interaction, while children between two and five years old should limit screen time to no more than one hour a day. The guidance also advises against fast-paced, social-media style videos and AI tools, which may affect how young children learn to concentrate. Instead, it suggests 'safe screen swaps' such as replacing screens at mealtimes with background music, conversation, table games, or coloring. Parents are encouraged to prioritize activities that promote language, problem-solving skills, self-control, and social understanding, such as reading together, playing simple games, and back-and-forth conversations. The guidance acknowledges that some children with special educational needs or disabilities may need to use screens to help them communicate and participate in everyday activities. Experts warn that excessive screen time can harm children's development, with 90% of brain growth happening before the age of five. The advisory panel emphasizes the importance of parental example, as children's brains are like 'sponges' and will mimic their screen use habits. Examples of shared screen activities include video calls with relatives or looking at family photos together, which represent constructive joint screen use. The guidance also recommends avoiding screens for an hour before bedtime and reading stories together instead. By adopting these guidelines, parents can help promote healthy screen use habits and support their child's overall development.

A recent jury verdict in California has held Meta and YouTube liable for the harm caused to a young woman, KGM, due to the addictive nature of their platforms. The plaintiff claimed that her social media use, which began at the age of six, led to injuries including body dysmorphia and thoughts of self-harm.The jury's decision marks a significant milestone in the ongoing debate about the impact of social media on young people. The verdict suggests that companies like Meta and YouTube, which have been accused of designing features to keep users engaged, can be held accountable for the harm caused by their platforms.Critics of the judgment argue that it could lead to a flood of lawsuits against social media companies, while others see it as a necessary step to protect young people from the potential dangers of social media. The verdict may also prompt regulatory changes and increased scrutiny of social media companies' practices.According to a report from Brown University, social media can be addictive due to its ability to activate the brain's reward system, releasing feel-good hormones such as dopamine. This can lead to a vicious cycle of use and addiction, particularly among young people who spend many hours a day on social media.In response to growing concerns, some countries have taken action to protect young people. Australia, for example, has banned children under 16 from using social media. In the US, there have been calls for social media companies to be required to put warning labels on their sites, but such proposals have yet to gain traction.The verdict is also significant given the close ties between the tech industry and the US administration. The appointment of Mark Zuckerberg to the president's council of advisers on science and technology has raised concerns about the influence of tech companies on policy decisions.Ultimately, the jury verdict sends a clear message to tech titans that they will be held accountable for the impact of their platforms on young people. As the debate about social media regulation continues, this verdict is likely to have far-reaching implications for the industry and for the protection of young people online.

This week's top podcasts offer a mix of pop culture, true crime, and historical investigations. Big Lives kicks off with a profile of Jane Fonda, followed by a thoughtful look at George Michael, using the BBC's vast archive. In Project Mind Control, criminal psychologist Dr. Julia Shaw explores the disturbing true story of a Canadian psychiatric hospital used for CIA brainwashing experiments on vulnerable patients. The Rise and Fall of Madchester takes listeners on a journey through the Madchester music scene, from its origins with Joy Division to its peak in 1989 with bands like Happy Mondays and The Stone Roses. Off Duty is a new series from The Guardian that examines a 12-year battle for justice in a Chicago murder case, while Beware Book delves into a series of horrifying murders of Glaswegian sex workers.

Have you ever felt like you're racing against the clock, constantly chasing appointments and deadlines? This relentless pursuit of time is a universal experience, but what is time, really? Is it a physical phenomenon or just a tool we use to coordinate our lives? Time is often seen as an independent, physical entity that ticks by relentlessly, but emerging scientific evidence suggests that this isn't the case. Time is more like a mathematical tool, useful for coordinating our interactions, but it doesn't have an independent existence of its own. Just like money, we've become dependent on it, but it's not a physical reality. The pressure to be 'on time' is instilled in us from a young age, and we're constantly surrounded by clocks and digital alerts that divide our day into smaller pieces. This has led to a phenomenon known as 'time famine,' where the more efficient and productive we try to be, the less time we feel we have. Studies have shown that people experiencing time famine are less likely to engage in activities they enjoy, eat healthily, or seek medical attention when needed. Our brains don't have dedicated areas for tracking time, and our experience of it can vary greatly. Time can seem to drag or fly by, depending on our circumstances. For example, people with certain conditions, like akinetopsia, experience time in sudden jumps or frozen moments. The psychedelic drug mescaline can also distort time perception, making it seem like hours or even centuries have passed. Quantum physicists have found that time is not a fixed, physical flow. The famous double-slit experiment shows that a physicist's choice of measurement can influence the behavior of a particle. In a lesser-known variant of this experiment, the physicist's choice at the point of measurement can even influence the particle's past behavior. This suggests that time is not a fixed, linear concept, but rather a flexible and subjective experience. Some indigenous cultures, like the Aymara people of Chile, experience time differently. They see the future as hidden behind them, unseeable and unknowable. The Amondawa people of the Amazon have no clocks or concept of time. Instead, they live in the present, experiencing 'lived time,' which is a personal, malleable experience of change. Lived time is different from clock time, as it's not defined by numerical counters or seconds. Each moment is like a tapestry, woven from changes on multiple timescales. When we focus on lived time, it expands and becomes richer, rather than narrowing or contracting. It's a flow that carries us and connects us with others, rather than something we chase and never catch. To combat time famine, we need to remind ourselves that the clock is a tool, not a master. We should beware of digital alerts and alarms that divide our day into smaller pieces and instead focus on the rich pattern of changing connections that wire us into each moment. By doing so, we can tap into the creative process of lived time and experience a more fulfilling and connected life.

New York Giants running back Cam Skattebo has apologized for his recent comments downplaying the seriousness of chronic traumatic encephalopathy (CTE) and asthma. In an appearance on the Bring the Juice podcast, Skattebo called CTE an 'excuse' and claimed that asthma is 'fake', suggesting that people should 'just breathe air'. After receiving widespread backlash for his comments, Skattebo offered a retraction on social media, stating that his remarks were a 'tasteless joke' and that he never intended to downplay the seriousness of head injuries or asthma. He sincerely apologized to anyone who was offended by his remarks and assured that he will be more mindful and respectful going forward. CTE is a degenerative brain condition linked to repeated head trauma, which can cause mood swings, depression, suicidal thoughts, and memory loss. A 2017 study found CTE in 110 of 111 former football players. The condition can only be diagnosed after death, and the NFL finally acknowledged a link between football and CTE in 2016. Asthma affects hundreds of millions of people worldwide and can lead to death in extreme cases. Skattebo's mother, Becky Skattebo, replied to her son's post, saying she was asthmatic and that his comments were made in jest. Skattebo was a popular figure with Giants fans in his rookie season in 2025 due to his physical running style, scoring seven touchdowns and running for 410 yards before an ankle injury ended his season.

The recent meningitis outbreak in Kent has tragically claimed the lives of two young people, with 18 confirmed cases and 11 others being investigated. The outbreak, which has affected four schools and two universities in the Canterbury area, has disrupted thousands of lives and understandably instilled fear among many.The public health response, including contact-tracing, treatment with preventive antibiotics, and localized vaccinations, appears to have been effective in limiting the spread of the disease. The NHS has administered about 2,500 vaccines and issued almost 10,000 precautionary doses of antibiotics.The meningitis B (MenB) strain of bacteria behind this outbreak has caused septicaemia and infection of the membranes surrounding the brain and spinal cord. Despite scientists not fully understanding what causes meningococcal bacteria to become invasive, the public health system has been able to manage the situation.The incident serves as a reminder of the importance of maintaining effective public health systems and the need for evidence-driven decision-making in responding to outbreaks. The UK's success in tackling infectious diseases, including a dramatic reduction in meningococcal disease deaths, is a testament to the effectiveness of prevention, vaccination, and improved treatment.As the risk of future pandemics remains, it is crucial that politicians and the public are reminded of the vital role of public health systems in preventing and managing outbreaks. The abolition of NHS England and its impact on the existing structure overseeing infection prevention and control will require careful consideration.

Scientists have made a groundbreaking discovery that could lead to the development of new obesity drugs. By studying the unique metabolic abilities of pythons, researchers have identified a molecule that appears to play a crucial role in regulating appetite and weight loss. The molecule, called pTOS, was found to increase significantly in the blood of pythons after they eat, and when administered to obese mice, it led to a significant reduction in food intake and a 9% loss of body weight over 28 days. The discovery could lead to the development of new obesity drugs that work in a different way to existing medications, such as GLP-1 medications like Wegovy. Unlike these medications, which can have side effects such as nausea and stomach pain, pTOS appears to act on the brain's appetite centers, reducing food intake without these adverse effects. The researchers, led by Dr. Jonathan Long from Stanford University and Prof. Leslie Leinwand from the University of Colorado Boulder, published their findings in the journal Nature Metabolism. They believe that pTOS, which is naturally produced by the snake's gut bacteria and also found in human urine, could be a safe and effective treatment for obesity. While further research is needed before the findings can be applied clinically, the discovery is seen as a promising step towards the development of new obesity treatments. The study's results suggest that pTOS could be a potential therapeutic target for the treatment of obesity and related metabolic disorders.

Researchers at Cortical Labs in Melbourne have created a 'biological computer' using living human tissue, which can play the 1993 shooter game Doom. The team used 10ml of blood from CEO Hon Weng Chong to harvest 100 white blood cells, which were then reprogrammed into induced pluripotent stem cells (iPSCs). These cells were used to create a dish of 200,000 neurons that can interface with a computer system.The brain cells were taught to play Doom by encoding game state information, passing it through a neural network, and converting it into signals the neurons can understand. The neurons then fire an output, which the system decodes and converts back into actions in the game. This process is similar to how humans operate, with information going into the retina, being converted into electrical signals, processed in the brain, and resulting in an output.While the achievement has sparked concerns about sentience and consciousness, Chong believes the brain cells are not conscious, stating, 'At first it didn’t know how to move, aim or shoot. Then it would shoot two enemies and stop. So it’s definitely learning.' The next step could be integrating this technology with Neuralink, a brain-machine interface developed by Elon Musk.The application of biological computing lies not in gaming, but in medicine, such as disease modeling for conditions like epilepsy. This technology could allow for personalized drug testing and tailored treatments. Meanwhile, Eon Systems in San Francisco has created a virtual insect brain that can behave like a real fly, challenging the assumption that intelligence must be acquired.Biological systems like these could eventually power robots, drones, and other machines that need to navigate complex environments. As Chong notes, 'Abstract reasoning, mathematics and language are relatively recent in evolutionary terms... but motor control and probabilistic decision-making are things we’ve inherited through millions of years of evolution.' While we're far from uploading human consciousness into the internet, this technology marks a significant step in the development of biological computing.