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SAN RAFAEL, Cali. -- In a studio workspace, Chloe Pollock steps back from her latest piece, examining the geometric patterns she's created. "Oh yeah, they're the ones that I made," she says. Her ...

At M.I.T., a new program called “artificial intelligence and decision-making” is now the second-most-popular undergraduate major. By Natasha Singer Natasha Singer covers computer science and A.I.