[AUDIO LOGO] FAHAD IMTIAZ RAHMAN: It's always great when your PI is the coolest person in the lab. COREY HOPKINS: I think this would be number 29. FAHAD IMTIAZ RAHMAN: We always have this joke around, like, who will to get his compound next in his arms? COREY HOPKINS: The one you're working on right now is colorectal cancer. FAHAD IMTIAZ RAHMAN: I kind of won that bet. COREY HOPKINS: It's a testament to what we do. I think it's a testament to my students as well. And I just started doing it, and going to keep going. FAHAD IMTIAZ RAHMAN: It definitely inspires me. COREY HOPKINS: I guess for permanency, put them on my arm instead of just putting them in a journal article. FAHAD IMTIAZ RAHMAN: The compound that I made that got tattooed today is a compound that targets a specific receptor in the colon. If my compound, whenever it targets that particular receptor, it helps to prevent the cancer from spreading. COREY HOPKINS: I mean, it's a good way to show them that, more than just working in the lab. FAHAD IMTIAZ RAHMAN: It's something that makes them unique. And then that's what we strive to become as well. That's how he is making a mark in this world. And that's what we inspire to be in the future, as well. COREY HOPKINS: As productive as they are, I'll just keep going. I don't know what I'll do when I run out of this arm. We'll see. [AUDIO LOGO]