The world of tiny things goes far beyond the microscopic. At a certain point things become so small that they simply can’t be seen because they are smaller than the wavelength of visual light. You might expect that not much goes on down there but you’d be very wrong. So what does this world look like? Dr. Janet Iwasa is Assistant Professor of Biochemistry & Head of the Animation Lab at the University of Utah - she joined Jonathan to discuss. Listen and subscribe to Futureproof with Jonathan McCrea on Apple Podcasts and Spotify.    Download, listen and subscribe on the Newstalk App.    You can also listen to Newstalk live on newstalk.com or on Alexa, by adding the Newstalk skill and asking: 'Alexa, play Newstalk'.