Scientists trained honeybees to recognise human faces, showing how tiny brains can distinguish faces by the arrangement of their features

• It is a strange and slightly humbling discovery, not because bees have any use for recognising people, but because it forces a rethink of how much brainpower a task like this actually needs.
• Two separate studies, a decade apart, chipped away at this question from different angles, and together they tell a fuller story tha