In the migrant journey across the Mediterranean Sea, thousands have perished and many more have gone missing. Behind every missing migrant is a community awaiting closure and demanding answers. This paper draws from a US- and Tunisia-based Participatory Action Research project of visual-digital storytelling to suggest how visual and spatial questions may inform and contribute to action and social justice work, aiming to scale down the Mediterranean Sea to the personal. We highlight conceptual and procedural facets of our work, including an exhibition and an online platform, to illustrate the triple concerns of visuality, spatiality and social justice.

Bone remodeling process has been widely investigated in literature from an experimental and theoretical viewpoint. Indeed, the biological process of bone remodeling allows a continuous renewal of the microstructure over time and thus, it contributes to decrease the bone damage by repairing it. This research work aims to study the biological function’s (fbio) effects on the bone remodeling process trough bone density evolution. Parameter fbio is one of the important parameters that controls bone volume variation. The biological bone remodeling process is modeled in terms of equations describing the activity of the Basic Multi-cellular Units (BMU). We use a mathematical model to simulate damage repair, based on Garcia Aznar’s model. The results of simulation show a good match with experimental and clinical data: bone porosity decreases over time and decreases also as the biological factors increase. In the same view, the apparent density (ρa) decreases with bone volume fraction increases. We note that the governance of the evolution of bone density leads to consider the evolution of bone volume during youthful and the maturation phase with their saturation zone for adult in terms of growth.