The dance of the dung beetle

A dung beetle has a brain the size of a grain of rice, and yet it shows a tremendous amount of intelligence when it comes to rolling its food source — animal excrement — home. How? It all comes down to a dance.

Marcus Byrne is fascinated by the way insects, particularly the intrepid dung beetle, have hardwired solutions to the challenges posed by their environments. Could they help humans solve problems?