Mike

You write: " The main thing about any scientific theory or work of art is - how true is it"

But it's tricky isn't it?  What does truth mean in relation to art?

We can test the truth of a scientific proposition by experimentation. How do we test the truth of art?

"Truth" seems to mean something different in these two cases, don't you think? There are even philosophers of art who deny that we can even use the term sensibly in relation to art.

DA

PS I notice some relevant articles on today's Art and Letters.
http://www.aldaily.com/
I haven't read them yet.