http://www.pbs.org/wgbh/nova/genes/issa.html http://www.science.org.au/nova/098/098key.htm http://chem.ou.edu/Details/Robert-H.-Cichewicz.html (using the method with fungi) I watched a Nova show on TV that had a group sharing data, that the environmental conditions during our grandparents lives will and has affected our genes. Such that a famine in our lineage may be the cause of diabetes a few generations down. Prenatal Exposure To Famine, Epigenetic Changes and Adult Health 06 December 2008 http://psa-rising.com/foodnews/2008...ne-may-lead-to-persistent-epigenetic-changes/