Hi i have finished my graduation almost 20 years back in Bio.Sci(Bot,Zoo,Chem) and I further studied Business Mgt course(MBA) and (presently) working.Now i want to make my career in sciences and pursue PhD in Sciences in USA.My most favorite subject is life sciences.And I have that creative thinking too.Is it possible for me and if so how to proceed?Please do help me.Thanks-rani