Series 1 Episode 3
First Broadcast: 10PM Mon 29 October 2012

Why does an atheist bother to get up in the morning?

That's the question Richard Dawkins seeks to answer as he continues his exploration of the big questions of life in a world shaking off religious faith.

In a journey that takes him from the casinos of Las Vegas to Buddhist monasteries in the foothills of the Himalayas, Richard Dawkins examines how both religious and non-religious people struggle to find meaning in their lives.

He looks at how our existence is ruled by chance, meeting people whose fate was to be born into extreme poverty in India's slums and the survivors of a natural disaster in Joplin, Missouri, a city ripped apart in 2011 by a tornado on a random course.

In the face of what appears to be a blindly indifferent universe, Dawkins argues that we each have to forge our own sense of meaning.

He meets the comedian Ricky Gervais, an atheist since the age of seven, for whom meaning comes through doing something creative.

For Dawkins, it is the awe and wonder in scientific enquiry - from the human genome to the quest for the Higgs Boson - that get him up in the morning.

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    1. Every Man's Battle This video is a clip Every Man's Battle Video duration: 1:34 minutes

      Dawkins meets the founder of an organisation that fights men's sinful thoughts and temptations of the flesh
      • WARNING Strong Language
      Watch Sex, Death and the Meaning of Life Episode 1
    2. Like a Virgin This video is a clip Like a Virgin Video duration: 1:43 minutes

      A plastic surgeon specialising in hymen reconstruction explains why this practice is in demand Watch Sex, Death and the Meaning of Life Episode 1
    3. Faith and Love This video is a clip Faith and Love Video duration: 1:49 minutes

      A couple describe why they don't regret continuing with a pregnancy where the baby couldn't survive Watch Sex, Death and the Meaning of Life Episode 2
    4. Free the Soul This video is a clip Free the Soul Video duration: 2:10 minutes

      Richard Dawkins observes Hindu funeral traditions in Varanasi, where the flesh takes second place to the spirit Watch Sex, Death and the Meaning of Life Episode 2

Sex, Death and the Meaning of Life on Channel4.com

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Evolutionary biologist Richard Dawkins asks if science can provide answers to the big questions we used to entrust to religion