HUMANS have devised every snake-oil, potion, cream, elixir, serum, pills and similar nonsenses to try and stop the effects of aging, probably from time immemorial. These have given the topic of aging a bad reputation. But the reality is that if you examine nature, there are surprising examples that lead one to believe that aging as humans know it is neither hard-wired nor inevitable in living beings, that is, for some, at least.