Stem

• Une équipe internationale, comprenant des chercheurs de l'University of Wisconsin–Madison, a mesuré la force des jets de particules expulsés par un trou noir dans le système Cygnus. • Cette mesure, la première du genre, confirme une prédiction faite par des astronomes de l'UW-Madison il y a dix ans. • Les résultats valident des théories de longue date sur la mécanique des jets de trous noirs, faisant progresser la compréhension de l'astrophysique.

Certains voyageurs ont passé des heures dans des files d'attente à l'aéroport, avec des bornes ne fonctionnant pas, peu de sièges et peu de personnel sur place pour aider. Certains voyageurs passant par le nouveau EU entry-exit system (EES) ont été confrontés à d'énormes retards aux contrôles frontaliers, certains attendant jusqu'à trois heures, selon les aéroports. Les nouvelles règles ont été progressivement introduites en Europe depuis octobre 2025 et sont entrées en vigueur vendredi dans les pays Schengen – 25 des 27 États de l'EU plus l'Iceland, la Norway, le Liechtenstein et la Switzerland. Lire la suite...

Le parti travailliste est sous pression pour supprimer les bulletins de vote groupés alors qu'Avi Yemini détaille son plan pour canaliser les voix vers des partis conservateurs lors des élections d'État. Le projet d'un provocateur d'extrême droite d'enregistrer le « Free Palestine party » et de l'utiliser pour diriger les votes vers des partis conservateurs lors des élections d'État de Victoria a ravivé les inquiétudes concernant le système de vote de l'État. Avi Yemini, ancien soldat israélien et journaliste d'investigation autoproclamé créant du contenu pour sa chaîne YouTube Rebel News Australia, a annoncé mardi son intention d'enregistrer le parti, affirmant que celui-ci permettrait de « transférer nos préférences vers les partis qui veulent libérer la Palestine du Hamas » lors du scrutin de novembre. Lire la suite...

The Politburo, a top decision-making body of the ruling Communist Party, was cited as saying by state news agency Xinhua that the economy got off to a better-than-expected start this year.

• The Taliban government announced restrictions on international health NGOs operating in Afghanistan on Monday, citing concerns over 'political interference' and threatening revocation of licenses for non-compliant organizations. • Medical organizations warned that the restrictions would devastate maternal and pediatric health services, particularly in rural areas where international agencies provide 70 percent of healthcare capacity. • The U.S. State Department condemned the move as undermining humanitarian efforts and expressed concern for vulnerable populations, with officials exploring alternative delivery mechanisms for critical medical assistance.

Soaring cost of building materials, lack of affordability and planning bottlenecks are some of the obstacles thwarting housing targetAt South and City College in Birmingham, dozens of young people clad in hi-vis vests and hard hats are building mini-walls and plastering half-formed rooms.Some weave in and out of stacks of bricks with wheelbarrows, while others use spirit levels to check the walls are straight and flat. In a few days time, these walls will be demolished and the plastering scraped away, for a new class to come in and try their hands. Continue reading...

• The Snohomish County Board of Health approved new protections mandating septic system inspections prior to any home sale. • Ordinance aims to prevent buyer exposure to faulty systems, promoting public health and property safety. • Impacts thousands of rural Washington homes reliant on septic over municipal sewer.

The drug industry’s self-regulatory body criticised Theramex for ‘alarming’ compliance issuesOne of the biggest producers of hormone replacement therapy has been censured by regulators for “systemic failures” that put patient safety in jeopardy.Theramex, the UK producer of HRT drugs Evorel and Intrarosa was found to have breached fundamental compliance standards including not updating crucial prescribing information – in some cases for several years – and not making it clear that a drug must not be used during pregnancy. Continue reading...

• Researchers at the University of Washington created an artificial photosynthesis prototype converting sunlight directly into storable chemical fuels with 13% efficiency, surpassing previous laboratory records of 8-10%. • The system uses engineered nanostructures and novel catalysts to split water and fix carbon dioxide, producing methanol as a liquid fuel suitable for existing energy infrastructure, detailed in Nature Energy on April 21. • The breakthrough could enable large-scale production of carbon-neutral synthetic fuels without competing for agricultural land, addressing both climate and energy security challenges.

Senior manager at supermarket giant gives evidence on day two of case brought by the Australian Competition and Consumer CommissionFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastA senior Woolworths executive has defended relaxing rules designed to protect shoppers from misleading discounts by preventing the supermarket or suppliers from “gaming” the “Prices Dropped” promotional program.Woolworths’ chief commercial officer, Paul Harker, gave evidence on the second day of a landmark trial between the Australian Competition and Consumer Commission and Woolworths in the federal court on Wednesday. Continue reading...

Trump administration to launch online portal on Monday after supreme court struck down tariff policy earlier this yearDonald Trump said US negotiators will be in Pakistan on Monday, and he again threatened to destroy its power plants and bridges if no deal is reached.Trump did not say who would lead the delegation, but a White House official said it was vice-president JD Vance. Continue reading...

• Cerebras Systems, developer of the wafer-size WSE-3 AI chip, filed to go public on April 17, 2026, amid accelerating revenue. • The company secured a $125 million revolving credit facility from Morgan Stanley, expandable to $850 million post-IPO, plus a $1 billion loan from OpenAI. • This IPO positions Cerebras to capitalize on surging demand for specialized AI hardware in US data centers and enterprises.

• China's government investigation into Meta Platforms' acquisition of Manus has created uncertainty among Chinese AI startup founders seeking exit opportunities. • The probe has disrupted what was previously considered a popular exit pathway for Chinese AI startups, casting a shadow over international investment and acquisition strategies. • The regulatory scrutiny reflects China's heightened focus on controlling technology transfers and foreign acquisitions of strategic Chinese tech assets.

Defendants used sledgehammers and crowbars to destroy drones at Israeli-linked arms factory, says prosecutionSix Palestine Action activists entered an Israeli-linked arms factory intending to smash up as much property as possible before police arrived, a court has heard.Prosecutor Deanna Heer KC said the defendants used sledgehammers and crowbars to destroy drones manufactured by Elbit Systems and computers at its factory in Filton, near Bristol, on 6 August last year. Continue reading...

Airport body has asked for power to suspend EES checks requiring personal information and biometrics, say reportsBusiness live – latest updatesTravellers going through some European airports are reportedly waiting up to three hours at border checks due to the EU’s new entry-exit system (EES).Passengers in airports in countries such as France, Germany, Belgium, Italy, Spain and Greece are waiting several hours at border checks, the Airports Council International (ACI) body has said. Continue reading...

• Elijah Dottery, diagnosed with sickle cell anemia as a baby, became the first U-M patient to receive the newly FDA-approved stem cell therapy. • The treatment uses patient's own stem cells edited via CRISPR to produce functional hemoglobin, administered at Michigan Medicine. • This breakthrough matters for over 100,000 U.S. sickle cell patients, offering potential cure where prior therapies only managed symptoms.

• Researchers have developed a compact CRISPR system capable of achieving up to 90% efficiency in targeted in-body gene editing applications. • The breakthrough addresses previous limitations of CRISPR technology, enabling more precise genetic modifications for therapeutic purposes. • This advancement could significantly improve treatment options for genetic disorders and certain cancers by allowing safer, more effective gene therapy interventions.

Democratic city does not control its police force – and reform attempts have been thwarted by RepublicansQuinton Lucas said he thinks his city’s police department “is a colonial system”.“I think it is anti-Black. I think it is anti-immigrant. I think it is anti-almost everything we stand for in terms of making sure that diverse populations in major cities have a voice in terms of navigating it,” the Kansas City mayor said. Continue reading...

Royal Navy type 45 destroyer deployed to reinforce security around RAF base in Cyprus to undergo short maintenance stop, says MoDHMS Dragon has docked in the eastern Mediterranean after suffering technical issues with its water systems.The UK’s prime minister, Keir Starmer, announced on 3 March that the type 45 destroyer would be deployed to reinforce security around RAF Akrotiri in Cyprus, two days after the base was struck by a Shahed 136 drone. Continue reading...

• Artivion (AORT) secured U.S. FDA approval for the NEXUS Aortic Arch System on April 7, 2026. • The device approval is expected to accelerate hospital adoption and spark reimbursement discussions. • This milestone positions Artivion for revenue growth in cardiovascular treatments.

Letters to US agency raise concerns over tech firms’ plans to use reflective satellites and expand numbers in low Earth orbitProposals to deploy reflective mirrors and up to 1m more satellites in low Earth orbit could have far-reaching consequences for human health and ecosystems, leading sleep and circadian rhythm researchers have said.Presidents of four international scientific societies representing about 2,500 researchers from more than 30 countries are among those who have raised concerns in letters to the US Federal Communications Commission (FCC). Continue reading...

NASUWT says full entitlement should be increased from four weeks to 26 and paternity pay also improvedFull maternity pay for teachers across the UK should be increased to 26 weeks to help stem the exodus of women in their 30s from classrooms, a union leader has said.Matt Wrack, general secretary of the NASUWT teachers’ union, said it was a “national scandal” that so many teachers who quit said inadequate maternity support was one of the reasons. Continue reading...

• Luna Systems, founded at Dublin City University in 2020, has raised €1.5 million to develop AI-powered Advanced Rider Assistance Systems (ARAS) for cycling and motorcycles. • The company's 2026 product launches include a dual AI camera system for e-bike and motorcycle manufacturers featuring collision warning, blindspot detection, and headway monitoring with smartphone integration. • The funding accelerates Luna Systems' transition to a full system provider, inspired by automotive ADAS technology adapted for two-wheeled transportation where fatality rates remain elevated.

Distressed riders who were stranded for hours say Apollo Go customer service agents offered ‘useless platitudes’A “system malfunction” has caused several self-driving robotaxis to stall in the middle of the road in China, police have confirmed, after distressed riders were stranded for hours.Local authorities in the central Chinese city of Wuhan said they began receiving calls “one after another” on Tuesday night from riders reporting that autonomous vehicles operated by the Chinese internet company Baidu had frozen. Continue reading...

• Boeing announced a $18 billion multiyear contract award from the U.S. Department of Defense for development and production of advanced air-to-air missile systems, representing one of the largest defense contracts awarded in the past year. • The program spans eight years and includes approximately 2,000 advanced missiles, supporting air superiority initiatives for the U.S. Air Force and allied nations. • The contract award marks a significant boost to Boeing's defense and space segment, which has faced revenue headwinds from commercial aircraft production challenges, and provides revenue visibility through 2034.

• Nvidia CEO Jensen Huang announced expectations of at least $1 trillion in demand for its Blackwell and Rubin AI systems through 2027, doubling from $500 billion projected through 2026. • This projection signals over 100% annual sales growth for Nvidia amid booming data center demand. • The forecast underscores AI's role in driving U.S. tech sector expansion and GDP growth, with analysts citing non-inflationary productivity gains.

• Boehringer Ingelheim Pharmaceuticals and Connecticut Science Center announced an Innovation Lab on March 26, 2026, to boost STEM education for students and families statewide. • Ribbon-cutting set for March 27, 2026, at 10:30 a.m. ET during STEM Career Showcase for over 500 middle and high school students. • Keynote by Connecticut Chief Workforce Officer Kelli-Marie Vallieres, Ph.D., with remarks from Carine Boustany, Ph.D., Boehringer's SVP of US research.

• The Military Health System's March 26, 2026 update covers research submissions and awards for the Department of War’s primary scientific gathering during March 23-27. • Features teamwork and tools for field medic training, plus new research on preventing dangerous diseases in U.S. Army and Navy contexts. • Army Reserve 'Connect to Protect' initiative emphasizes health protections amid weekly military medical news.