biomarkers
biomarkers on World Data Ocean: a running collection of 2 stories we have gathered and hand-picked because they are worth your time. Every post here touches on biomarkers in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around biomarkers, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.
The inaudible impact: physiological stress responses to ultrasonic exposure in the solitary ascidian Ciona intestinalis
The increasing prevalence of ultrasonic technologies in coastal environments raises critical questions about their impact on marine life. A recent study investigated the physiological stress responses of the solitary ascidian, *Ciona intestinalis*, to continuous and pulsed ultrasound exposure. Findings reveal that continuous ultrasound significantly impairs antioxidant defenses, induces cell death, disrupts filter-feeding, and damages mechanosensory structures—effects potentially more impactful than peak intensity alone. This research underscores the need to consider emission patterns in the environmental assessment of ultrasonic technologies, informing eco-design strategies.
‘Forever chemicals’ could be aging dolphins beyond their years
New research reveals a concerning phenomenon: common dolphins in New Zealand are exhibiting biological ages significantly exceeding their calendar ages, potentially shortening their lifespans. Scientists hypothesize that exposure to trace metals and persistent “forever chemicals” – per- and polyfluoroalkyl substances – is contributing to this accelerated aging process. This finding underscores the urgent need to assess the impact of environmental contaminants on marine mammal health. For further insights into the complexities of island marine ecosystems, explore our analysis of fish assemblages in Zhejiang, China.