Microplastics in humans: Chinese researchers report microplastics in all 17 artery samples, raising concerns about cardiovascular risk. Functional MRI for knees: University of Saskatchewan teams are developing MRI that captures knee tissue under real movement and load to improve osteoarthritis diagnosis. Landslide risk mapped at home level: A new US database links 128 million buildings to landslide exposure, showing big gaps between urban and rural communities. Loneliness isn’t one-size-fits-all: Analysis of Gallup World Poll data finds loneliness varies sharply by income and is tied to social capital, not just personal mood. Gut-health microbiome lead: NEJM Evidence points to specific bacteria and molecules that may explain the “farm effect” protecting children from allergies. AI citation trust: Wispaper launches a citation verification system aimed at reducing fabricated references in AI-assisted research. Space science: China’s LHAASO says Cygnus X-3 is the most powerful particle accelerator found so far, accelerating cosmic rays to at least 30 PeV. Health policy trial: The VA will test a GLP-1 drug (semaglutide) for alcohol use disorder in veterans. Wildlife invasion control: Florida researchers radio-tag male Burmese pythons to better locate females and nests, including one with 111 eggs. Climate extremes: South Korea records its hottest day on record amid a worsening heatwave trend.