Start the Week Episodes Available now

Hay Festival: exposing the secrets of rubbish
Tom Sutcliffe at Hay Festival, with Chloe Duckworth, Sarah Gabbott and Saabira Chaudhuri

Mathematics, Symbiosis and Japanese art
Adam Rutherford discusses art, maths and creativity with Marcus du Sautoy.

History: private, personal and political
Tom Sutcliffe talks to Tiffany Jenkins, Geoff Dyer and Lanre Bakare.

Smell – the underrated sense
Adam Rutherford with Jonas Olofsson, Ally Louks and Alan Chalmers.

Advocating for nature
Tom Sutcliffe with Robert Macfarlane, Monica Feria-Tinta and Patrick Galbraith.

Christianity and British society
Shahidha Bari with Bishop of Newcastle Helen-Ann Hartley, Bijan Omrani and Lamorna Ash.

Impunity and fighting for justice
Tom Sutcliffe talks to Philippe Sands, Kenneth Roth and Lina Sinjab

Untangling fact from fiction
Adam Rutherford with Phil Tinline, Rosie Holt and Adam Kucharski.

Delusions of grandeur and freedom of speech
Tom Sutcliffe with Grayson Perry, Lionel Shriver and Fara Dabhoiwala

Abdulrazak Gurnah on family and resistance
Abdulrazak Gurnah, Samantha Ellis and Jason Allen-Paisant with Shahidha Bari.