Instant Genius Extra: Why we study insect brains, with Prof Lars Chittka

As fascinating as it is to discover the world according to bees, what can we learn by understanding how their minds work? Lars Chittka, a professor of sensory and behavioural ecology reveals why we should care about bee brains and how the hive mind really works. Produced by the team behind BBC Science Focus Magazine. Visit our website: sciencefocus.com