Search and rescue dogs are commonly used to find people trapped in the debris of collapsed buildings, but are search and rescue rats next? Giant African pouched rats have been trained to sniff out landmines and tuberculosis, and a new study suggests they can also be taught to find people and then return to their release point after hearing a signal.Read the whole story at the British Psychological Society Research Digest: Rats Can Be Trained to Perform Search and Rescue Missions.