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Word Count: 949
Dolphin Tursiops truncatus is the scientific name for the well known bottlenose Dolphin In many films we have seen them all as hard working actors The best known dolphin of all was flipper The natural curiosity of the dolphins as well as their extraordinary versatility and ability to learn gave some people the idea using these living submarines with their built-in high-tech ultrasound navigation system for military purposes Dolphins are able to localize small objects and differentiate various materials by ultrasound analysis They have been trained to transport military hardware under water Dolphin shows all over the world try to make us believe that dolphins feel fine in prison But dolphins in captivity die earlier and the birthrate is low And you get a completely different point of view when you see dolphins out there in the clear blue waters of the ocean Their joy of living and their intelligent behavior in fishing or playing is the reason why more and more people want to come closer to them and to know more about these creatures Over a couple of million years of evolution the whales and dolphins have developed a brain which is unique in their medium of water The ancestor of the dolphins went back into the water about 60 million years ago As soon as they got used to the new medium of water their brain mass rapidly increased The design of their brain the specified zones and the system of the neocoretex is very similar to the human brain That can make one wonder because the two most complicated brains in our biosphere have been generated in total isolation one on land and one on water - two completely different ways of evolution Neurophysiologists brain doctors think that universal laws of nature must exist to explain such a complicated but similar organisation of cells Dolphins are part of the cetaceans Their evolution is not clear in all details A large
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