Eases

Un outil de données pourrait aider le NHS à prioriser l'accès aux médicaments de perte de poids en quantité limitée, selon les scientifiques. Un nouvel outil capable de mettre en lumière les personnes les plus à risque de maladies liées à l'obésité pourrait aider à identifier celles qui bénéficieraient le plus des traitements de perte de poids, ont déclaré des chercheurs. Des données récentes suggèrent qu'environ deux tiers des adultes en Angleterre sont en surpoids ou obèses — une situation qui inquiète les experts de la santé. Lire la suite...

• Berkshire Hathaway's cash and equivalents surged to $168 billion at the end of Q1 2026, its highest level in over a decade, as Warren Buffett continued to reduce equity holdings amid concerns over elevated asset valuations. • The conglomerate reduced its Apple stake by 8% during the quarter and trimmed Bank of America holdings further, citing a lack of compelling investment opportunities in current market conditions. • Investment income from fixed-income holdings generated $3.2 billion in the first quarter alone, demonstrating how Berkshire's massive cash reserve is now earning meaningful returns in a higher-rate environment.

• China's military conducted unannounced exercises Friday involving naval destroyers and fighter jets near Taiwan's east coast, hours after the US approved a $619 million weapons package for the self-governing island, defense officials on both sides confirmed. • The Chinese Foreign Ministry issued formal diplomatic protests, characterizing the US arms sale as a violation of the one-China principle and warning of "serious consequences" for continued military support to Taiwan. • Taiwan's defense ministry said it is prepared to defend against any military aggression and praised the US commitment; regional analysts warned the escalating military posturing raises risks of unintended conflict.

• OpenAI launched GPT-5.5, a powerful new model optimized for coding, research, data analysis, computer use, and complex workloads requiring minimal guidance. • The upgrade handles messier, real-world tasks with greater autonomy across multiple tools, reducing the need for extensive prompting. • This release intensifies competition in AI capabilities, targeting professional users in software development and scientific research.

Carriers will retain airport slots if they cancel services as passengers are urged to continue with travel plansPenalties on airlines that cancel UK flights because of jet fuel shortages have been eased, it has emerged, as the government issued fresh advice to reassure the public they can still fly and should stick to travel plans.Airlines who cancel flights will not lose their rights to valuable takeoff and landing slots at busy airports, which can be forfeited when flights fail to operate over a period. Continue reading...

• The White House is ramping up pressure on Cuba for political change following Operation Absolute Resolve, which successfully extracted Venezuelan President Nicolás Maduro. • US military presence is expanding across Latin America and the Caribbean, with a focus on combating drug-trafficking by transnational criminal organizations like Mexican Cartels, MS-13, Tren de Aragua, and Haitian gangs, topping the 2026 Annual Threat Assessment. • Ecuador’s President Daniel Noboa seeks stronger US military ties after a failed 2025 referendum on foreign bases, while Paraguay ratified a State of Forces Agreement allowing temporary US troop deployments for training.

Report examines how the effects of slavery and Jim Crow at the county level continue to harm Black Georgia residentsA Georgia taskforce has released a landmark report that details the lasting impact of slavery and its afterlives in Fulton county.The report, spanning more than 600 pages, is based on original research by the Fulton county reparations taskforce and a review of primary source documents. It is the first-of-its-kind in the nation, according to county leaders and researchers. Rather than examining the impact of slavery and racism at the federal or state level, the harm report investigated the role of the county government. Continue reading...

• OpenAI unveiled GPT-5 on April 19, featuring advanced multimodal reasoning that processes text, images, and audio simultaneously with a 40% performance improvement over GPT-4, according to the company's research blog. • The model demonstrates enhanced chain-of-thought reasoning and can solve complex multi-step problems across domains including mathematics, coding, and scientific analysis with significantly higher accuracy rates. • Industry analysts project GPT-5 will accelerate enterprise AI adoption and intensify competition with Anthropic's Claude and Google's Gemini in the large language model market.