We live in the age of Information technology. Mobile phones we have literally put the world on our finger tips. The all encompassing knowledge that we possess now, which has helped in the development of powerful technology, didn't emerge all of a sudden. The foundation of our modern life was facilitated by the development of the process of cognition among the human ancestors in the prehistoric age. Prehistoric people were the pioneers of creative knowledge. From the artefacts and the language they developed,we are able to understand how intelligent they were. What is prehistoric period? The period before the development of script is called the prehistoric times. It is also referred to as the stone age. Australopithecines were the apes from the modern humans evolved. Now they are extinct,but they are considered as to be the close relatives of humans. The prehistoric period is divided into three parts. They a...