Were scientists to concoct an experiment that was all but guaranteed to unleash full-on, cheek-reddening embarrassment, then filming adolescents singing Let It Go from Frozen and playing back their performance might well do the job.
And so to researchers at the University of Amsterdam who invited dozens of young volunteers into the lab before breaking the news as to what was required. In front of a camera, and without the benefit of a shot or two, they were asked to sing the Arendelle anthem or another choice track, before they and others watched the rendition back from inside a brain scanner.
