A future full of hopes and fears [BBC]

Science and technology have powered huge leaps in understanding and a fantastic future of novel life forms and advances in biotech beckons. But it isn’t without dangers. Our biggest challenges lie ahead.

The science of complexity is perhaps the greatest challenge of all, Astronomer Royal Sir Martin Rees believes.

The biggest conundrum is humanity and how we came to be, he told the TEDGlobal (Technology, Entertainment and Design) conference in Oxford.

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