Those are bright bunnies. (The photo shows the two that have the "glowing gene," along with their siblings.) University of Hawaii's John A. Burns School of Medicine hide caption itoggle caption University of Hawaii's John A. Burns School of Medicine The Two-Way What's Up With That, Doc? Researchers Make Bunnies Glow August 15, 2013 Rabbits have joined the growing list of animals that scientists are "marking" with proteins that cause them to glow green under black light. The process helps researchers study genetic diseases and is used in medicine production.