Chickenpox jab UK rollout, and how the US grabbed Maduro

This week, the UK begins the rollout of the chickenpox vaccine to younger children. But why is it only being offered now? Plus, the high-level technological plan to capture Venezuela's Nicolás Maduro, what the latest research says about the health of vegan and vegetarian diets in the young, and the risks posed by "space junk" that falls back to Earth... Like this podcast? Please help us by supporting the Naked Scientists