such a mechanism would give the species possessing it a huge advantage, therefore by the law of evolution it almost has to exist.
The theory of evolution implies no such thing.
Don't fear the Cyborgs. Natural selection teaches us there are higher rungs on the evolutionary ladder than ours, we have but to reach.
Natural selection teaches us no such thing. There are no higher or lower rungs in evolution, there's just adaptability.
"What if" is a trademark of Hewlett Packard, so stop using it in your sentences without permission, or risk being sued.