Clare Carlisle: Bertrand Russell – part 4: The same intellectual integrity that made the philosopher unable to accept religious beliefs also prevented him from embracing atheism
Clare Carlisle: Bertrand Russell – part 3: Christian thought is itself aware of the dangers of fear – something Bertrand Russell overlooks in his critique of religion
Pussy Riot's Nadezhda Tolokonnikova is currently in a prison hospital in Siberia; here she and Slovenian philosopher Slavoj Žižek meet in an extraordinary exchange of letters
Documentary-maker Sophie Fiennes's latest philosophical quest – with Slavoj Zizek – presents another thrilling challenge for cinema-goers, writes Elizabeth Day
Liz Williams: How to believe: Authors as diverse as Rudyard Kipling, E Nesbit, and JRR Tolkien have shaped modern paganism as greatly as any theological underpinnings
Jon Butterworth: There seems to be a minor rash of polemic at the moment on the theme "aren't scientists deluded/betraying science/living in fairytale-land"