10HISTORY OF SCIENCEA scientific method seeks to explain the events of nature in a reproducible way. An explanatory thought experiment or hypothesis is put forward, as explanation, from which stem predictions. The predictions are to be posted before a confirming experiment or observation is sought, as proof that no tampering has occurred. Disproof of a prediction is evidence of progress. This is done partly through observation of natural phenomena, but also through experimentation, that tries to simulate natural events under controlled conditions, as appropriate to the discipline. Taken in its entirety, a scientific method allows for highly creative problem solving while minimizing any effects of subjective bias on the part of its userschennaipharmacist@gmail.comReview212012Science,History,Branches of ScienceG. Manoj Dept of Pharmacy, C.L. Baid Metha College of Pharmacy, Thoraipakkam, Chennai - 600096, India