The man who wandered naked like a beast without any shelter eating uncooked flesh thousands of years ago , is today living in a palatial building , wearing polyster clothes , tasting thousands of varieties of dishes . The man who had to trek the wild wild lands bare footed in stone age , is now travelling at speeds of thousands of kilometres in supersonic planes . He could land on the moon , look far into the galaxies of stars and examine deep into the atom . His vision and understanding of this universe is expanding day by day and his life is becoming comfortable

    Since the beginning , man had been living through wonders of nature-sunrise , sunse, phases of moon , seasons of year , stars, rain , rainbow , eclipses , thunders,lightning and many more. It is the unquenching curiosity of man to unravel the mysteries of nature , that made the progress of man possible through acquistion of knowledge of things . Intelligent men have been able to observe things carefully , analyse and systemically arrange facts to form laws and principle . Hence we can that systematised knowledge about things or events in nature is science .