| | Australian Broadcasting Corporation, Ltd.

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We speak with one of the world's leading researchers on the new science of networks, Professor Duncan Watts.

A new documentary directed by Annamaria Talas explores the science behind six degrees of separation, how we're just six steps away from anyone else in the world.

It's more than a curiosity; network science has implications for everything from the spread of disease to the current financial crisis.

The documentary How Kevin Bacon Cured Cancer screens on ABC 1 tonight at 8.30.

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