A philosophical question that may have already been pondered. What is natural? Are computers natural? Is AI natural? Is the inevitability of trans-humanism a function of the natural world?
Bionic ear.
Bionic eye
Both are products of nature, as the elements required by products of nature (humans) to build bionic ears and eyes are also products of nature.
I'll go out on a limb and say theft - the worst "crime" of all - is also natural. Subjectively immoral, but totally natural.
@VeganSausage we can never improve on nature
@Poncho69 correct. Everything humans have, can, and will do is natural, including genocide for example. Torturing kittens is natural. Hiroshima and Nagasaki were natural occurrences.
@VeganSausage poor kittens