Dolphins are incredible marine mammals that have "names" for each other, just as humans do, and they use these names to chatter among themselves.
A pod of 157 dolphins has become stranded on a remote beach in Tasmania, with dozens already dead and efforts underway to save the survivors.
Do social pressures cause the evolution of big brains? The debate is ongoing.
Scientists say they have documented two dolphins using what appear to be discrete words and sentences.
Japanese fisherman have slaughtered 15-20 dolphins this Friday in the annual hunt in Taiji.
