PBS - Genius by Stephen Hawking (2016) Part 2 Are We Alone

Professor Stephen Hawking reveals our true potential in a radical new science show which challenges a selection of volunteers and the viewer to think like the greatest geniuses of the past and answer some of humanity's toughest and most enduring questions. Using large-scale experiments and incredible stunts, we'll follow the volunteers' journeys as they get to grips with molecular biology, astrophysics and even quantum mechanics.

Part 2 Are We Alone

In this episode the task is to work out the likelihood of alien life in the universe.

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