Hi, my name is Joshua Castillo, and I am a senior at the Univeristy of Arizona double majoring in
Molecular and Cellular Biology and Physiology. I currently work in the Zarnescu lab where we
study neurodegenerative diseases such as ALS using fruit flies as our model organism. Outside
of the lab, I enjoy playing video games, hanging out with friends and plant shopping.


music for Thesis Thursday is from Crowander, the name of the track is “Your Eyes”
Thesis Thursday is edited, produced and sometimes hosted by Bridgitte Thum at KXCI Community Media in Tucson, Arizona.
Thesis Thursday- Dr. Joyce Schroeder Dr. Joyce Schroeder (professor and department head of the Molecular & Cellular Biology department at UA) will arrive at...
William Borkan (he/they) a Master’s student in Soil, Water and Environmental Science and part of the 2020-2021 NSF Indige-FEWSS Traineeship. At the University of...
I am a senior at the University of Arizona majoring in Physiology with a minor in Spanish. I have worked in the Respiratory Cell...