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People in Havana know that dancing makes us feel good. And Cuban dancers Toto and Adriana are convinced that dancing together makes us feel even better.

As well as being fun, dancing might have helped us to survive as a species. Evolutionary anthropologist Bronwyn Tarr from the University of Oxford explains that when we dance with others, we are rewarded with feel-good endorphins that change how we feel about ourselves and those around us.

This video accompanies an episode of CrowdScience - Why do humans dance? /programmes/w3cswvwj