Mat Troy (is a spoken word guru who drew cart...

Nicki Grierson is an acclaimed Welsh food blogger with both French and Italian ancestry, so she’s clearly well disposed to discuss all things cuisine. In this episode, we cover Nicki’s family history and interesting genesis of European multiculturalism in the melting pot of Port ...  Show more

Dan Thomas is a brilliant comedian and a prominent member of the burgeoning Welsh language stand up scene. He was also born in the same room as Christian Bale, although not at the same time, and their careers subsequently went in different directions. In this episode, we discuss ...  Show more

With the help of Robin Ince, Professor Brian Cox tackles more audience questions. He talks about the biggest question in physics, the nature of dark energy, running about with poles light years in length, climate change and winding up flat earthers. This week's questions come fro ...  Show more

Can you slow down time by hurtling through space at breakneck speed? Could listener Saskia’s friend - currently one year older - end up the same age as her if he went fast enough? It sounds bananas, but it’s all part of Einstein’s mind-warping theory of relativity.With expert cop ...  Show more

When different groups of astronomers measure the expansion rate of space, they get different answers. Who's right? Or are they both right, and new physics is afoot?

Support the show

Earlier this week, some of the world's leading astrophysicists came together at The Royal Society to question the very nature of our Universe. Does the Lambda Cold Dark Matter model, which explains the evolution of the cosmos and the Big Bang, need a rethink? Dr Chris North, an a ...  Show more