It can be hard to find common ground in a tense situation. Click here to read an interview with Chicago’s Superintendent of Police David Brown, who urges Americans involved in conflicts to really listen to each other, see past their differences, and work together in a spirit of collaboration.

You might do a good deed for someone else just because it’s the right thing to do. Research shows, though, that you’re more likely to do that good deed if you’ve recently seen someone else do a good deed. This article discusses the infectiousness of altruism.