lab rat

Dolphins and lab rats and women undergo a common internal renaissance, a dramatic overhaul of motive, with babies suddenly trumping food and sex as our raison d’etre.

Experiments with lab rats and monkeys show how chronically stressing out a new mother can stunt her maternal brain and disrupt her and her offspring’s behavior.

I minded that you were talking to her yesterday in the lab'rat'ry, before the telegram came about Mr. George.