By 
Elizabeth Margulis
 | 
TED-Ed Original

Earworms: Those songs that get stuck in your head

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 over 90% of people at least once a week.

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