Is This the Catchiest Song of All Time?

Detailed musical phrases, the number of pitches in the hook and men with high voices are the keys to writing a super-catchy pop song, according to musicologists at the University of London. Which song is the catchiest of all time (according to SCIENCE)? Watch and learn, people.

This week's episode of #5facts is all about cactus arms, lies about carrots and the lamest time machine that almost graced the silver screen.

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