Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

A/Prof. Elmira Jamei does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

This is read by an automated voice. Please report any issues or inconsistencies here. Music changes how we feel. Not just emotionally, but biologically. You don’t have to be at a concert to notice it.

NPR's Scott Detrow talks with presidential historian Barbara Perry about how President Trump's wartime rhetoric fits into the history of the presidency.