Cold haemoglobin, and teaching old dogs new ethics

This month, how an extinct marine mammal made its haemoglobin work in the cold, how does learning compassion change the shape of the human brain, women publishing cautiously, how populations evolve to social distance in disease conditions, and can biochemical clocks accurately track ageing in children? Join Dr Chris Smith for a look at some of eLife's latest leading papers... Get the references and the transcripts for this programme from the Naked Scientists website