Bio/Recursion: Exploring CS and Bioinformatics in RBio Recursion introduces topics in programming, computer science, and bioinformatics via examples in the R programming language. While often associated with statistics, Bio Recursion employs R's algorithmic capabilities to implement and visualize several fascinating methods, ranging from DNA alignment to drawing fractal trees. Recursion (self reference) provides a central theme, with topics spanning searching, sorting, data structures, proofs,