How do the groups you identify with shape your sense of self? Do they influence the beer you buy? The way you vote? In this favorite episode from 2021, psychologist Jay Van Bavel explains how our group loyalties affect us more than we realize, and can even shape our basic senses of sight, taste and smell. Then, look out! There's a g-g-g-ghost! Psychologist Coltan Scrivner answers listener questions about the surprising benefits of scary entertainment. New Yorkers, there's still time to join us for Hidden Brain's live show on March 25! And listeners elsewhere, stay tuned for an announcement about more tour dates later this year. You can be among the first to hear about upcoming shows and other Hidden Brain projects by signing up for our newsletter at news.hiddenbrain.org. Episode illustration by Eva Wahyuni for Unsplash+. Hosted by Simplecast, an AdsWizz company.