"Technological journals, things on engineering, quantum mechanics, particle physics. Anything helpful really. Most of my knowledge is decades behind a lot of people's here. So I like to try and learn as much as I can." He paused, how to explain working out?

"Physical conditioning. I wasn't in the best shape when I arrived here. If I want to be able to keep up with my teammates on missions, I'll have to make sure I'm in top form."