Cute Aggression and the Return of Clippy

In a society where you can summon food at the press of a button, how can anyone be hangry? Dean and Rachel talk about how low blood sugar can make us boil over and why evolutionarily, that's a good thing! Also, the curious fact we’ve universally accepted that “blue liquid” is the ...  Show more

Rachel and Dean discuss misophonia and how to not tackle people to the ground when they do perfectly normal things that make sounds you find infuriating (keyboard clacking, anyone?) Also, finding the sweet spot in the world of sound between the random and the predictable and givi ...  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?

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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