Re: Klingon augment virus/Into Darkness Klingons
Best way to look at it is this. Different creators have different visions of the future. Roddenberry said that the way Klingons look in TMP is the way they are suppose to look "in universe" just that the budget and technology for the look didn't exist in the sixties.
"...the most elementary and valuable statement in science, the beginning of wisdom, is I do not know." - Lt. Commander Data, "Where Silence Has Lease"