This is a re-airing of a podcast originally released in February 2021.Keeping you cosy this week is an episode all about warmth - emotional, physiological and geological.We have an unexpected start to the show, with bees taking the spotlight, but it turns out these cold-blooded little insects can generate immense warmth when necessary.The team then takes a much bigger view of warmth, discussing the heat of the planet, and of the many uses of geothermal energy.Finally they wrap up by finding out what it takes to make a robot seem warm and friendly.On the pod are Rowan Hooper, Anna Demming and Timothy Revell. Find out more at newscientist.com/podcasts Hosted on Acast. See acast.com/privacy for more information.