Summer lovin’? Not so much. As the temperatures start to soar, the weather is more than just a topic to fill awkward silences.

We whinge about the humidity while seeking solace in climate-controlled rooms – but how much do we actually understand heat? Does 30 degrees feel the same to you as the next guy? And why do the Brits freak out when the mercury hits 23 degrees? Ollie Jay will turn up the heat on temperature and human health, address the elephant in the room (that’s climate change), and teach us how to stay cool without an air-conditioner.