A new study by McGill University Psychology Professor Dr. Jeffrey S. Mogil shows that mice, like humans, express pain through facial expressions. The research will not only be an important tool in helping scientists ensure that laboratory animals don't suffer unnecessarily, but could lead to new and better pain-relief drugs for humans. Mogil, UBC Psychology Prof. Kenneth Craig and their respective teams have discovered that when subjected to moderate pain stimuli, mice showed discomfort through facial expressions in the same way humans do... 
More...
More...