![TED Talks Daily (HD video) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/773/small/tedtalks-hd.png)
Summary: A dung beetle has a brain the size of a grain of rice, and yet 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. (Filmed at TEDxWitsUniversity.)