Jack, did you purposely replace identity with an = sign or is that a science-engendered habit?

Moira, are you using identity in a particular way, or for a particular reason, instead of asking, for example, is illustration the same as metaphor, or how is illustration like, or not like, metaphor?

Jack, your response, that you are "identifying visual metaphors, as a method for enacting embryological science - using picturing to do science" is interesting from a science point of view, a kind of lateral thinking used to "illustrate" phenomenon which cannot be easily observed or otherwise documented but it is also challenging from an artistic or aesthetic point of view which is where I was trying to get to - how the work itself not only illustrates embryological processes but as a broader metaphor.

The term identity is so loaded up in art jargon, I wonder about it but then it often raises or points to issues of the subject, the subjective and the objective.

Jack, can you say something about your, the artist's, relationship to the subject here. I find myself uncertain whether the subject is the embryo's lungs, embryology or science generally. All of the above?

There is something to be said here also about inter or multi-disciplinary work, that migrates across boundaries, carrying meanings,often critically.

There, I can breath easier now.

• not much on the web about this interdisciplinary artist - Mary Kelly