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Ahead of the Sochi Winter Olympics next month and the controversy surrounding Russia’s anti-gay laws, Mike Williams and a panel of guests discuss homosexuality. Essentially, why does it exist? Is there any evolutionary advantage? And what is the current thinking in the nature vs nurture debate?

(Image: A participant unfolds a rainbow flag during a local annual gay pride parade. Credit: AFP/Getty Images)

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18 minutes

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Mon 27 Jan 2014 09:32 GMT

Why do we look the way we do?

Why do we look the way we do?

Tattoos, trainers, jeans, hair, ties ... why?

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