From the oxygen in the air we breathe to the atmosphere that cloaks the Earth and protects us from the Sun’s harmful ultraviolet light, gases are essential for the existence of human beings. But did you know that we’ve also harnessed the properties of these elusive, largely invisible substances to impact almost every aspect of our lives? In this episode, we catch up with material scientist Prof Mark Miodownik to talk about his latest book, It’s a Gas: The Magnificent and Elusive Elements that Expand Our World. He tells us how gases helped us to make our cities safer and more prosperous, how Nobel Prize-winning chemistry led to the invention of neon lights and how we owe our very existence to gases influence in shaping the chemical makeup of the Earth. Learn more about your ad choices. Visit podcastchoices.com/adchoices