![Ideas from CBC Radio (Highlights) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/018/442/small/best-of-ideas.jpg)
Summary: What is it about rhythm, pattern, and synchronization that fascinate us? How do pacemaker cells in a heart synchronize? How can thousands of people unconsciously walk in step? Filmmaker Tess Girard explores the idea of rhythm and what it means to us.