Aurélie Hua-Van is Professor of Biology at Paris-Saclay University, France. She teaches in various domains such as genetics, evolution, life origin and bioinformatics. Her research focuses on eukaryotic transposable elements evolution and dynamics, through experimental evolution and genomics. Pierre Capy is a former Professor of Biology at Paris-Saclay University, France. He taught evolutionary biology, quantitative genetics and genome plasticity, and always tried to create bridges between ecology and molecular biology. It is within this context that his research on transposable elements is placed.