But she couldn""t decisively eliminate Jason - he survived the fire and explosion, attacked her on the dock, and survived gunshots from Nick""s gun.War has come").The pitched battle was engaged, with the apes defending their city from behind a perimeter-barricade.Older (78 year-old) eavesdropping father Biff Tannen (also Wilson) heard about the possibility of acquiring the almanac to use for gambling, and the fact that "Doc" had invented a time machine - and retrieved Marty""s discarded copy...I have a little laboratory on my farm up there in Vermont.The Medical Research Bureau is backing me.Fisher in Philadelphia is going to do the pathology, incidentally, he best man in the country...Brain cells.Why do healthy normal cells go berserk and grow wild?...Nobody knows.But we call them cysts and gliomas and tumors and cancers.And we operate and hope o cure with a knife and half the time we don""t even know the cause.Our patients have faith in us because we""re doctors...Someday, somebody will discover a serum that will be to these growths what insulin is to diabetes and anti-toxins to diptheria, and maybe earn his title of Doctor of Medicine.