Why do we have crooked teeth when our ancesto...

From group chats to video calls, technology should make social connection easier than ever. So, why is everyone so lonely?In this episode, Sabrina sets out to investigate the "loneliness epidemic" that is sweeping the globe and impacting her friends and cohosts. She interviews Pr ...  Show more

Where does pain originate? According to Rachel Zoffness, a scientist and psychologist who studies pain, research shows that pain originates in the brain. In this episode Rachel joins Shoshana to talk about how stress and anxiety can amplify pain. They also discuss the ways medica ...  Show more

Melvyn Bragg and guests discuss theories about the origins of teeth in vertebrates, and what we can learn from sharks in particular and their ancestors. Great white sharks can produce up to 100,000 teeth in their lifetimes. For humans, it is closer to a mere 50 and most of those ...  Show more

Evolution is constantly adapting us to our environment, making species more suited and better equipped to survive in their natural habitat. So why did our distant ancestors have better teeth than we do? And what can the study of our gnashers tell us about our diet, our oral healt ...  Show more

This week, Chris Smith and Izzie Clarke are filling the gaps in their knowledge of teeth; we also meet the microbes in our mouths and test the battle of the toothbrushes. Plus, in the news, researchers grow new spinal discs in a dish, we explore the ghostly galaxy next door, and ...  Show more

Crooked teeth have always been a thing, but it took us a long time to do something about it. Learn about the twisted history of orthodontics today!See omnystudio.com/listener for privacy information.