Episode description
Cases are at an all-time high, so is it time we started talking about Covid-19 again?
Find out how lettuce is helping astronauts tackle bone density loss.
As the energy crisis deepens, and inflation is predicted to be heading towards 10%, we look at how nuclear is going back up the energy agenda.
Dr Chris Smith and the Naked Scientists with science news stories and analysis. Subscribe to the podcast, on BBC Sounds.