This is your brain off books

A return to orality is frying our politics and our brains. This episode was produced by Peter Balonon-Rosen, edited by Jolie Myers and Amina Al-Sadi, fact-checked by Denise Guerra, engineered by Patrick Boyd and Andrea Kristinsdottir, and hosted by Sean Rameswaram. Listen to Today, Explained ad-free by becoming a Vox Member: vox.com/members. Transcript at vox.com/today-explained-podcast. A caveman using tools in his cave. Photo via Getty Images. Learn more about your ad choices. Visit podcastchoices.com/adchoices