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Science
Organosilicon chemistry offers an alternative to PFAS in the food and medical industry
Many medical products require hydrophobic coatings to prevent cell adhesion or to optimize sliding and frictional properties. Fraunhofer IFAM has developed a fluorine-free coating that mimics the properties of previously available fluoropolymers, as demonstrated by hydrophobic coatings on synthetic nonwovens. Credit: Fraunhofer IFAM Due to the unique properties of PFAS, few chemicals can compete with them. This is why it…
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Science
The relationship between algae and jellyfish offers insights into immune health
(a) Schematic representation of the four comparisons made during the differential gene expression analysis, divided into symbiotic status comparisons and pathogen response comparisons. SM, S. marcescens. (b) Venn diagram of differentially expressed genes that overlap between all differential gene expression comparisons. Specific comparisons are indicated by a polyp icon. Credit: Proceedings of the Royal Society B: Biological Sciences (2024). DOI:…
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Space & Cosmos
Innovative model offers new way for astronomers to analyze powerful cosmic explosions
The explosion of a massive star leads to the ejection of its outer shell, and this “ejecta” expands outward over time and interacts with the star’s surrounding medium upon its death. This interaction creates two shock waves and a contact discontinuity (collectively known as a “shell”) that dissipates kinetic energy in exchange for producing more light. Eric Coughlin’s new model…
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Earth
Geographer presents new risk model that offers a more nuanced view of complex crises
Stages of the multiple stressor framework. Credit: One Earth (2024). DOI: 10.1016/j.oneear.2024.09.006 We live in a time of multiple crises: climate disasters, pandemics, species extinctions, and violent conflicts. Researchers and policymakers around the world are searching for ways to appropriately respond to this multi-headed monster. Easier said than done. “Systemic risks are increasingly concentrated in the Anthropocene, the era of…
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