What are the consequences of living in a world so driven by efficiency, pace, and cost? Applied mathematician Coco Krumme, uses mathematical modelling to get to the bottom of this in her new book 'Optimal Illusions: The False Promise of Optimisation' - she joins Jonathan to discuss.

Also joining Jonathan to go through the top news stories from the world of science is Dr. Fergus McAuliffe from iCRAG & Laura Healy, Sustainable Food Production Scientist with Teagasc.