Slaves to Superstition is on Channel 4 on Monday 13 August at 8pm. Part 2 will be on Monday 20 August at 8pm.

In his last Channel 4 series, Root of All Evil?, the evolutionary biologist Professor Richard Dawkins explored how organised faith and primitive religious values blight our lives.

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But the fault line runs deeper even than religion. There are two ways of looking at the world – through faith and superstition or through the rigours of logic, observation and evidence – in other words, through reason. Reason and a respect for evidence are precious commodities, the source of human progress and our safeguard against fundamentalists and those who profit from obscuring the truth.

Tags: Richard+Dawkins, Channel+4, Superstition, TV