I liked these posts very much IC. I hope Hv comments on them. I like the saying "Science doesn't advance until old scientists die off". They're a stubborn lot.
They thought DNA was written in stone, but it's flexible and changeable. How much more do we have wrong?
It's proof to me that it's "all in our heads" when you hear about multiple personalities having different physiology's and you see centenarians celebrating with vodka and cigarettes.