The Science and Joy of Smiling

Poland’s president-elect, Karol Nawrocki, is a right-wing historian, an amateur boxer and a fan of Donald Trump. What will his presidency mean for the region? Kateryna Khinkulova, editor of the newly launched BBC News Polska, explains. Plus, India’s ‘tailor on wheels’ with Anil Kumar reporting for BBC Telugu and the science of smiling with Alassane Dia from BBC Afrique.

This episode of The Documentary comes to you from The Fifth Floor, the show at the heart of global storytelling, with BBC journalists from all around the world.

Presented by Faranak Amidi. Produced by Alice Gioia, Caroline Ferguson and Hannah Dean. This is an EcoAudio certified production.

(Photo: Faranak Amidi. Credit: Tricia Yourkevich.)