Megan, brought up as a Jehovah's Witness, resolves to engage with the non-religious world around her. Find out how she gets on, and discover more about the beliefs of Jehovah's Witnesses.
In the week that Darwin's Origin of Species was published 150 years ago, listen to a debate which examines whether evolution is totally at odds with religious belief.
Owen Bennett Jones examines several turning points in the relationship between Christianity and Islam, covering Muslim Spain, the Crusades, the Ottoman Empire and the struggle for Africa.
In episode four, Professor Diarmaid MacCulloch looks at the Reformation and its repercussions.
Use our scroll-down list to explore a range of the world's beliefs, or use the index page here.
Brand new podcasts, highlights from Religion & Ethics and audio and video from BBC News.
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Browse through the colourful image galleries: faith, people, worship and issues in pictures.