Scientists are editing genes for human speech into mice to see if they can learn vocal patterns. Neuroscientist Erich Jarvis explains how this could unlock not just speech—but entirely new ways of thinking.

For more, check out the <a href="https://www.wgbh.org/podcasts/particles-of-thought/extended-interview-bird-song-and-the-evolution-of-language-with-erich-jarvis">extended interview</a> with Erich Jarvis. 

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