Bee microbiome smells tell nestmates apart

How do bees recognise who's a bona fide member of the nest and who is an impostor? It turns out that it's down to the bacteria they carry inside them... Eva Higginbotham heard how Cassondra Vernier at Washington University in St Louis has figured it out with her colleague Yehuda Ben-Shahar... Like this podcast? Please help us by supporting the Naked Scientists