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.
My name is Charis and I am a senior studying Biochemistry, MCB, and Math at UofA. I think life is amazing and that math...
My name is Catherine Weibel. I am a junior in Physics and Applied Math at the University of Arizona. I work as an undergraduate...
Daniela Zarnescu is a Professor of Molecular and Cellular Biology at University of Arizona. She studied Physics at University of Bucharest and received a...