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Addressing the topic, Microplastics in Human Blood, in school – Connecting school students' and scientists' perspectives
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Researchers examined the disconnect between public concern and scientific evidence about microplastics in human blood, developing educational approaches to help school students engage critically with the topic. The study identified strategies for connecting classroom learning about blood microplastics to broader science literacy and evidence-based thinking skills.
In public discourse, microplastics in human blood are often represented as a health risk. However, there is a notable discrepancy between the level of public concern and the available scientific evidence. While the presence of microplastics in human blood has been confirmed, uncertainties persist around assessing human exposure to these substances and the associated hazards. Connecting scientific and everyday perspectives on environmental and health risks allows the creation of science communication and policy strategies and, furthermore, to address such controversial and uncertain topics in schools. In education, topics such as "microplastics in human blood" are referred to as socio-scientific issues (SSI), as they merge conceptual knowledge, normative aspects, and emotions. Introducing such topics into the classroom can foster the development of critical thinking skills, encourage students to reflect on their own perspectives, and challenge them to navigate the uncertainties surrounding emerging environmental and health issues. This could form the basis for responsible and well-founded decisions in their present and future lives. The aim of this study is to investigate the educational potential of the topic "microplastics in human blood" based on the model of educational reconstruction. To identify fundamental scientific and everyday conceptions and arguments interviews and group discussions with scientists and school students are analyzed using a combination of metaphor analysis, qualitative content analysis, and argumentative discourse analysis. The cognitive metaphor theory is used to understand the genesis of these conceptions and to gain a deeper understanding of the ways of thinking. Based on the correspondences and discrepancies in the perspectives, learning opportunities are developed regarding to the objectives of the SSI concept. Beyond that, this study aims to inform debates about the potential for educational strategies to reduce misinformation and cultivate critical media literacy skills. The poster presents first results on the characteristics of scientific and student's perspectives. Also see: https://micro2024.sciencesconf.org/558751/document
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Addressing the topic, Microplastics in Human Blood, in school – Connecting school students' and scientists' perspectives
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This study developed educational approaches to help school students critically engage with the topic of microplastics in human blood, which is often framed as alarming in public discourse despite significant scientific uncertainty about health relevance. The curriculum connected blood microplastic findings to broader science literacy skills including evidence appraisal and risk communication.
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Researchers assessed microplastic pollution knowledge and awareness among middle school students in the United States, finding significant gaps in understanding of microplastic sources, pathways, and human health implications. The study highlights an educational opportunity and suggests targeted curriculum integration could improve scientific literacy around plastic pollution in younger generations.
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Researchers implemented a Problem-Based Learning approach to develop scientific literacy skills in students by focusing on the occurrence and environmental consequences of microplastics. The study, conducted in a Portuguese-language educational context, used microplastics as a real-world science topic to cultivate critical thinking and evidence-based decision-making competencies.
Increasing Awareness on the Health Effects of Microplastics in Middle and High School Classrooms
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Educators developed a presentation and hands-on laboratory experiment on microplastic health effects for middle and high school students, finding that structured lessons significantly improved student understanding of how micro- and nanoplastics interact with the human body. The curriculum addresses a documented gap in public education about plastic pollution biology.
Everyday certainty and scientific uncertainty: potentials of scientists’ perspectives from microplastics research to address uncertainty in science education
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This isn't a health study, but rather research about how scientists themselves grapple with uncertainty when studying microplastics in our blood, a field so new that even the experts aren't sure how to measure or interpret it yet. Researchers interviewed scientists studying microplastics and found some approach the unknowns purely analytically, while others also experience real emotional responses, like fear, when confronting the limits of what current detection methods can tell us. The takeaway for the public: when you hear about microplastics in blood, know that scientists themselves are still working through significant uncertainty, this is normal, ongoing science rather than settled fact, and that nuance
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