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.
Greetings! My name is Alyssa Little and I am from Flagstaff, Arizona. I am a member of the Navajo Nation originating in Dilcon, 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...
Hi! My name is Chloe Park, and I am a Biochemistry major entering my Junior year at the University of Arizona. I have been...