I saw something very interesting on the news, on one of those science channels. There is actually a treatment now for people with serious wounds and burns using maggots. They have found that maggots, when added to the wound, will only eat the dead skin, and not touch the healthy parts of the skin.
They showed a treatment of one person, who had a horrible burn wound, and they showed the progression of how applying maggots to that wound, brought that persons skin back to normal. No permanent damage at all.
I found that amazing. Another thing they did in that same hospital was use leeches to cure back pain. And, it also worked.
Now if they can come up with a way for keyboards to work when you want them to, things would be really great!