Nowadays it seems normal to rate a hairdresser, an Uber driver, or a hotel room. French journalist Xavier de la Porte takes a closer look at online rating. Where do the familiar five stars come from? and how much can we trust the system?

Nanoparticles have become a favourite topic for conspiracy theorists. What does this say about conspiracy theories? And how science is viewed in our societies? French journalist Xavier de la Porte investigates.

Many think that sport is a deeply human endeavour. But what happens when big data gets involved? French journalist Xavier de la Porte talks to data scientist Jérémy Cheradame to find out how sophisticated data analyses has revolutionised the world of sport.

Only a few years ago, we could laugh at the translations from machine tools such as google translate. But today we are closer than ever to providing automatic translation with advances in AI. French journalist Xavier de La Porte looks at how translation tools work and how they could change our languages.

A 240-metre-high pylon, built 70 years ago and now obsolete, sells for five million euros at auction. What does this strange purchase tell us about our world today? French journalist Xavier de la Porte investigates.