The context of the following conversation is Skylar made Addison carry out an experiment in the lab that involved feeding mice some old cheese.:
Addison says Wow, I feel so guilty. I think these mice are sick..
The friend responds Well they are lab rats. Don't worry about it..
Addison responds I feel bad giving them this old cheese but Skylar is making me do it. It's going to kill them..
The friend responds Well, just take notes, its part of your project..
Addison responds Okay, I prefer the nuclear tests at Dexter's Laboratory..
The friend responds I hear. You can development giant mice in his lab..