Drs. Jason Callahan and Carol Gee recently had a co-authored paper entitled “Aesthetics in a Mathematics for Liberal Arts Project” published in the Journal of Humanistic Mathematics (Volume 7, Issue 1, pages 139-146, January 2017). 
Last year Dr. Callahan also had a paper entitled “Assessing Online Homework in First-Semester Calculus” published in PRIMUS: Problems, Resources, and Issues in Mathematics Undergraduate Studies (Volume 26, Issue 6: Special Issue on Teaching with Technology, pages 545-556, 2016).
Congratulations to Drs. Callahan and Gee!