How do earworms actually work?
Kristen Bell has apologised to parents for getting ‘Let It Go’ from ‘Frozen’ “stuck in their head”.
It is one of the most popular earworms in the world. But, what exactly is an earworm? And how do you get it out of your head?
Dr Naomi Lavelle is a Science Consultant who has been investigating this, and joins Seán to discuss.
Image: Disney
The skinny
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