The only existing things are atoms and empty space; all else is mere opinion.
-democritus of abdera
I think I can safely say that nobody understands quantum mechanics.
Equipped with his five senses, man explores the universe around him and calls the adventure Science.
If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands.
“In all things of nature, there is something of the marvellous”
It is a curious situation that the sea, from which life first arose should now be threatened by the activities of one form of that life