Experimental drug therapeutics for AIDS and cancer with a focus on compounds that inhibit ribonucleotide reductase and anti-oxidants derived from natural food products; the non-psychiatric clinical uses of lithium, in particular for Alzheimer's disease and viral-induced pathogens; experimantal hematopoiesis, with a particular interest in stem cell biologyand the role of stroma/microenvironment in these processes; international education pertaining to biomedical laboratory science