It’s known dolphins use acoustic signals to maintain contact with one another and find food. Now, a new study shows that they also use them when solving complicated problems together.While scientists can’t say for certain that dolphins have what humans call a language, the findings suggest vocalizations may play a much larger role in efforts that require cooperation than previously thought, lead author Holli Eskelinen, an assistant director of research at Dolphins Plus in Florida, told The Huffington Post.Use the above source link to see the entire story!