Why can't we think straight when hungry? What's the point of nightmares? Emotions can be a pain. After losing his dad to Covid-19, Dean Burnett found himself wondering what life would be like without them. And so, he decided to put his feelings under the microscope – for science. In this talk, Dean takes us on an incredible journey of discovery, stretching from the origins of life to the end of the universe and uncovers how, far from holding us back, our emotions make us who we are.