Professor David Connolly - Cardiovascular Research Programme Manager - College of Medicine, Nursing Health Sciences at National University of Ireland, Galway.

Todd Stern - Chief US negotiator on climate change for President Barack Obama and author of Landing the Paris Climate Agreement: How It Happened, Why It Matters, and What Comes Next @tsterndc.

Dr. Shovonlal Roy - Ecosystem modeller and Associate Professor in the Department of Geography and Environmental Science at the University of Reading.

Now if you’re anything like me, it’s at around this time every four or so years when you once again find yourself wondering how it’s possible that the person who wins the vote to be the next US President can get less votes and still win.

It doesn’t seem fair at all but of course there are many ways in which democracy can seem unfair.

So just what is the fairset system?

Elizabeth Maggie Penn is Professor of Political Science and Quantitative Theory & Methods at Emory University.

Mike Edmunds - Emeritus Professor of Astrophysics at Cardiff University & Founding member of the Antikythera Mechanism Research Project @cardiffPHYSX.

Guest: Tamara Boto - Assistant Professor of Physiology in Trinity College Dublin @TamaraBoto @TCDPhysiology @tcddublin

Guest: Martin Mullins - Director of Transgero and Professor of Risk Manangement at the University of Limerick @mjamullins @transgero @UL

Guest: Rowan McLaughlin - Researcher in the Hamilton Institute at Maynooth University @MU_Hamilton @MaynoothUni

Guest: Aidan Cowley - Science Officer at European Space Agency @esa @esaspaceflight

Guest: Dr. Christoph Hennersperger, Co-Founder and CTO, Luma Vision.

Guest: Dr William Pao, former Chief Development Officer at Pfizer and Head of Research at Roche and author of 'Breakthrough: The Quest for Life-Changing Medicines'.