Have you ever been waiting in line at the grocery store, innocently perusing the magazine rack, when a song pops into your head? Not the whole song, but a fragment of it that plays and replays until you find yourself unloading the vegetables in time to the beat? Elizabeth Hellmuth Margulis explores earworms — a cognitive phenomenon that plagues ...

How many times does the chorus repeat in your favorite song? How many times have you listened to that chorus? Repetition in music isn't just a feature of Western pop songs, either; it's a global phenomenon. Why? Elizabeth Hellmuth Margulis walks us through the basic principles of the 'exposure effect,' detailing how repetition invites us into mu...

Music has the power to transform moods, unite crowds and topple governments. However, as neuroscientist and operatic soprano Indre Viskontas points out, we know very little about how the brain turns strings of sounds into music. In a talk that explores art with science, she describes how her investigation into the brain's responses to music insp...