Rats' natural environments (IMAGE) Northwestern University Caption Researchers incorporated 3D scans from rats' natural environments, including this photo of a drain pipe, into their WHISKiT simulation. Credit Northwestern University Usage Restrictions None License Licensed 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.