The relationship between periodontal disease and cancer: Insights from a Systematic Literature Network Analysis.

This paper investigates the relationship between periodontal disease and various cancer types. It provides a comprehensive overview of the existing knowledge about the interaction between periodontal disease and carcinogenesis, explores the underlying biological mechanisms of this connection, and consider the impact of these findings on healthcare practices and future research directions. Utilizing Systematic Literature Network Analysis, which combines bibliometric analysis with Systematic Literature Review, this study analyzes 164 documents from 2000 to 2023.

The cost of (Un)regulation: Shrinking Earth's orbits and the need for sustainable space governance.

Outer space is infinite, useable planetary orbits are not. This makes the Earth's orbit a unique case of an Area Beyond National Jurisdiction (ABNJ) complex to address, difficult to use in a sustainable and equitable way and almost intractable to regulate at an international level. As of 2023, we remain far from attaining a sustainable orbital environment, and future uses of the Earth's orbits for new satellites constellations appear now increasingly at risk.

Sustainable space for a sustainable Earth? Circular economy insights from the space sector.

The drive toward an efficient use of finite resources and the emphasis on sustainability that characterises CE (Circular Economy) models is also shared by many space projects, as summarised decades ago with the catchphrase 'Spaceship Earth'. Carrying out a comparison of the applications of circular economy models and the space industry's best practice, the article argues that the space sector represents a sort of 'native environment' for circular economy and shows how to apply more efficiently those same CE principles down to Earth. Adopting a case-study approach and using evidence from a close-loop system originally conceived for life in a space environment (ESA-MELiSSA for water treatment), this study demonstrates how the space sector is not only fully 'CE compliant' but also provides a comprehensive framework to further extend the remit of the CE philosophy.