Today is the day when the Tvrtko must choose the right path - the path to school.

Physicist Dr Helen Czerski takes us on a journey into the science of bubbles - not just fun toys, but also powerful tools that push back the boundaries of science.

Part-fiction documentary into the New Silk Road. AAA Cargo traces the anticipation of infrastructure and trade on a planetary scale, following its distribution networks which are expanding across vast regions between China and Europe. Here, government efforts to speed up the movement of trade collide with more-than-human choreographies of sand, people and goods.