“I do not call my art ‘mathematical art,’” Dr. Roelofs said in a video interview about a week later. “It’s art about mathematics. Every artist has a favorite subject, things you want to talk about.

Most Americans express confidence in their ability to do various practical tasks, but they are much less confident in their ability to do other tasks that require more specialized knowledge.

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Julia Roberts and Ayo Edebiri, costars in 'After the Hunt,' joke about pantsuits, a lack of math skills and more in a new ...