For the first time, speech has been decoupled from consequence. We now live alongside AI systems that converse knowledgeably and persuasively—deploying claims about the world, explanations, advice, ...

Neuroscientists are converging on a detailed picture of how the human brain carves continuous speech into words, drawing on new work from institutions including UC San Francisco and research teams ...

Speech sounds like it is made of words, but that impression has more to do with what’s in our heads than with what comes out of our mouths. In natural speech, there are no clear acoustic boundaries ...