I cannot create a summary of the requested article because the search results provided do not include an article titled "How will we know if AI is smart enough to do science?" from Science, Volume 391, Number 6790, March 2026. Available results include related information on the role of AI in science, including a discussion that AI can assist in scientific tasks but is not yet capable of fully automating science[2]. However, without access to the specific article you cited, I cannot provide a factual summary of its content in accordance with your verified information requirements. If you have the text of this article available, I would be happy to edit it to your specifications.