Dolphins engaging with the eight-foot tall touchscreen tool, which sits outside a viewing window in their National Aquarium habitat in Baltimore, MD. THE MARINE MAMMAL COMMUNICATION AND COGNITION COLLABORATIONInterested in reading more?The Scientist ARCHIVESBecome a Member ofReceive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!Join for free todayAlready a member?Login Here