Researchers Examine Whether First Impressions Are Lasting

Shankar Vedantam is NPR's social science correspondent and the host of Hidden Brain. The focus of his reporting is on human behavior and the social sciences, and how research in those fields can get listeners to think about the news in unusual and interesting ways. Hidden Brain is among the most popular podcasts in the world, with over two million downloads per week. The Hidden Brain radio show is featured on some 250 public radio stations across the United States.