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Stephen Sackur

Martin Rees

HARDtalk: Sir Martin Rees

'Post-humans will be created on Mars'

06/12/2018 GMT

Sir Martin Rees

BBC World News - HARDtalk, Sir Martin Rees

Stephen Sackur speaks to astronomer and astrophysicist, Sir Martin Rees.

Sir Martin Rees, one of the world's leading astrophysicists, says the next century will determine humanity's long term destiny - so, are the prospects good or grim?

How do we decide what's important? How do we balance the personal priorities of the here and now, with the big picture challenges that will determine the future of human civilisation. Sir Martin Rees is used to considering the biggest of canvases as one of the world's leading astrophysicists but recently he's been gazing into the future of our own planet. The next century he says will determine humanity's long term destiny - so, are the prospects good or grim?

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