Dolphins

Dolphins
Did you ever wonder about the intelligence of dolphins? Why they are so friendly to humans? Are they more intelligent then we think?
Research has shown that dolphins have the intelligence close or even equal to ours. When a group of dolphins were given a memory test they got perfect scores nearly one hundred percent of the time. It is also known that if you teach a dolphin tricks once they won't forget them.
A dolphin kept in complete captivity (with only human contact) was trained to raise to the surface, when any words were shouted over the surface of the water. Afte...