This week on Science on the Radio, Dr Marvin Druger takes a dip into the world of Dolphins. Largely regarded as one of the smartest marine mammals in the world, Dr Druger will examine the unique way that Dolphins communicate. We'll also examine the Dolphin family tree, letting you know what other animals they're related to and which is the most popular dolphin. That's all coming up this week on Science on the Radio Hear Science on the Radio each Wednesday Night at 8:35 on WAER.