On the Naked Scientists news podcast, 'muscles on chips' provide microgravity researchers new opportunities to study ageing. Also in the show, the machine learning models overhauling weather forecasting, and scientists unpick how the placebo effect reduces pain by discovering the brain network...

To mark the start of the Olympics, we're hosting our own science themed opening ceremony, centred on sporting extremes. We'll learn about potentially dangerously high temperatures at this year's Games and how athletes are reckoning with them. Then, we'll find out whether (really) cold therapy is...