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Haiti trapped by violence: Humanitarian aid deliveries struggle to reach local population
In this edition, our reporters look at Haiti, which is still in the grips of a long-running battle against armed gangs in the capital and some provinces. A new international security force is being deployed but has yet to make widespread progress. Against this backdrop, the human
Every SpaceX Starlink satellite has to dodge a collision almost weekly, and experts fear t
SpaceX's Starlink satellites made over 355,000 collision avoidance maneuvers over the past year with each satellite now dodging other objects almost weekly.
Children's mental health crisis risks fueling 'lost generation'
Health experts warn that children's mental health in England has reached crisis levels, as a new report reveals children in the North are more likely to experience mental health difficulties than those in the South, according to a report led by the University of Manchester.
A new stellar census strengthens the case for a 13.8-billion-year-old universe
Astronomers have used the ages of more than 155,000 stars in the Milky Way to independently estimate the age of the universe, and their findings may be good news for the standard cosmological model. The new research was reported in a paper submitted to the arXiv preprint server o
Climate we had in 20th Century 'has now gone' - Met Office
The latest report on the UK's climate warns cold mountainous areas are also being lost. O recorte ajuda a contextualizar a pauta dentro de Agro.
Faster breast MRI—AI unlocks one image per second and sharper tumor tracking
A group of researchers from the Technion and the United States reports a breakthrough in MRI scanning in a paper published in Nature Communications. The researchers developed an innovative method that accelerates and enhances MRI scans for breast cancer imaging, a disease diagnos
Uneven cerebellum aging may partly explain why some older adults stay mentally sharp
Scientists may have discovered a new role for the cerebellum, the part of the brain that sits at the base of the skull. A new paper published in the journal Nature Neuroscience reports that different parts of the cerebellum change at different rates with age, which may be linked
Can AI be your therapist?: Q&A with an expert
More than a third of psychologists report having patients who use artificial intelligence as an additional source of mental health support. As more people turn to AI for advice, companionship and help navigating difficult situations, researchers are working to understand what the
Investigational J-valve system shows favorable 1-year outcomes for severe aortic regurgita
New research published in JSCAI and presented at New York Valves 2026 reports favorable one-year outcomes in patients with symptomatic severe aortic regurgitation following treatment with the investigational J-Valve Transfemoral System.
Molecular machinery in cardiac mitochondria reacts to metabolic stress in unexpected way
In a recent study published in Nature Communications, researchers at Karolinska Institutet report that the molecular machinery responsible for cellular energy conversion is more interconnected than previously understood, shedding light on how mitochondria adapt under stress.
Iron accumulation in the brain may contribute to neurodegeneration
Neurodegenerative diseases affect tens of millions of people worldwide. Among these, Alzheimer's and Parkinson's diseases are the most common; in the United States alone, the Alzheimer's Disease Association and Parkinson's Foundation report roughly 7 million people with Alzheimer