Individuality, and non-monogamy boosts chickadee cognition

In this episode, the origins of our individuality, how synaesthetes' pupil size changes just by thinking of a colour, female chickadees expand the spectrum of cognitive abilities through non-monogamy, do any species thrive in urban settings, and the switch to DNA organisation that accompanies cancer... Get the references and the transcripts for this programme from the Naked Scientists website