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Martin Rees:
Can we prevent the end of the world?

TED2014 · 6:52 · Filmed Mar 2014
Subtitles available in 26 languages
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Martin Rees: Can we prevent the end of the world?
6:52 · Filmed March 2014 at TED2014 · Subtitles available in 26 languages

A post-apocalyptic Earth, emptied of humans, seems like the stuff of science fiction TV and movies. But in this short, surprising talk, Lord Martin Rees asks us to think about our real existential risks — natural and human-made threats that could wipe out humanity. As a concerned member of the human race, he asks: What’s the worst thing that could possibly happen?

Astrophysicist
Lord Martin Rees, one of the world's most eminent astronomers, is an emeritus professor of cosmology and astrophysics at the University of Cambridge and the UK's Astronomer Royal. He is one of our key thinkers on the future of humanity in the cosmos. Full bio
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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