Photo: Discover Magazine, hkalkan/Shutterstock Analysis of tensions between Republicans and Democrats shows that while dehumanization and dislike toward an opposing group exists, each group perceives that the prejudice and dehumanization against their own group is twice as high as it actually is....

Teachers spend their time educating young people, imparting both intellectual knowledge and practical life skills, in an attempt to help children grow into adults. They often do this for low pay and little thanks. They are the best of us, or at least they’re supposed to be. But teachers are...