by Allen Ramsey, Texas Tech University Graphical abstract. Credit: Journal of Visualization (2022). DOI: 10.1007/s12650-021-00816-5 Idera Lawal was always interested in tattoos. So, when he was given the task of studying how the mechanisms of tattooing could be used as an intradermal drug delivery system, it was right up his alley. As a qualifying exam for his...