Psychology & Psychiatry

War songs and lullabies behind origins of music

Love is not the reason why we sing and create symphonies—at least not the primary reason, according to a new evolutionary theory of the origins of music.

Psychology & Psychiatry

How have new social norms emerged as COVID-19 has spread?

As COVID-19 spread around the world, it became clear that different countries were responding differently to the virus. Penn's Cristina Bicchieri, who studies social norms and how they evolve, wanted to understand how a national ...

Psychology & Psychiatry

Q&A: Study shows how debt affects relationship quality

There are a lot of factors that go into building a successful relationship, and money is one of the key aspects. Researchers have conducted all sorts of studies on how household finances affect a couple's relationship. But ...