Science

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Can artificial intelligence be emotionally intelligent? In Boston, researchers have programed BB-8, the little droid from “Star Wars: The Force Awakens,” to detect expressions and determine how people are feeling. And that technology is being adapted for marketing, video games,…

Music can be a stimulant or a sedative. It can also improve athletic performance by enhancing mood, improving muscle control and helping the brain build key muscle memories, according to London researcher Costas Karageorghis.