The test compared the behavior of fish vs primates in an experiment similar to the following situation: you are offered two identical pieces of pizza but informed that the one on the left will be removed in 2 minutes, while the other one will not be taken away. Which piece will you eat first?
The cleaner wrasses tested performed significantly better than the primates… including the experimenter's 4-year-old daughter!
Check out the article for more details, and don’t forget to mention it at your next coffee break!
Background photo by Elias Levy