2022-Kocher-BumblebeePetri (IMAGE) Princeton University Caption The researchers placed the bumblebees in small dishes alone and in pairs after isolation to analyze their behavior. They observe the bumblebees under infrared light, which bees cannot see. Credit Sameer A. Khan/Fotobuddy Usage Restrictions Usage is subject to Princeton University approval License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.