Full Idea
Scientific practices such as prediction and explanation regarding causal phenomena are concerned not merely with kinds having essences, but also with kinds lacking them.
Gist of Idea
Explanation of causal phenomena concerns essential kinds - but also lack of them
Source
Anjan Chakravarrty (Inessential Aristotle: Powers without Essences [2012], 1)
A Reaction
Not quite clear what he has in mind, but explanation should certainly involve a coherent picture, and not just the citation of some underlying causal mechanism.