WashU researchers find that diamond dust is not ideal for strategic stratospheric aerosol injection

For 150 years, Major League Baseball (MLB) players and fans have accepted that an umpire missing a few balls and strikes is just part of the game. But this spring, MLB is rolling out an artificial intelligence-augmented camera system that will provide a second opinion for players to tap if they think an umpire whiffed.

About The Study: In this multicenter randomized clinical trial among older adults with family history of dementia and/or self-reported subjective cognitive decline, exercise, intensive pharmacological reduction of cardiovascular risk factors, or both did not result in statistically significant differences in improvements in cognitive function over 24 months.

About The Study: This systematic scoping review study of prescription drug promotion by influencers found that such promotion carried risks of inaccurate or misleading advice, often amplified through personal and emotionally resonant narratives in an environment with limited oversight and enforcement. Despite the small and fragmented evidence base, these findings highlight the urgent need for updated regulatory guidance, standardized and enforceable disclosure requirements, stronger platform accountability, and targeted digital literacy initiatives. Policymakers and researchers should act proactively to safeguard public health.

A new study published in OTO Open, the open-access journal of the American Academy of Otolaryngology–Head and Neck Surgery Foundation (AAO-HNSF), finds that a standardized virtual reality (VR) educational experience improved medical students' knowledge and confidence in head and neck anatomy—and did so regardless of students' prior experience with VR or video gaming.