Look Closer: Unseen World 3D

As we go about our everyday lives, we rarely put thought to the parts of the world that hum just beyond our senses. Thanks to advances in optical technology, a new documentary exposes the brilliance of the most minute parts of the world around and even within us, writes Hilary Bowman-Smart. Additional keywords: IMAX, science, primary, middle years, screens in the classroom, microscope, biology, photography, Louie Schwartzberg