11/22/2009 05:12 am ET Updated May 25, 2011

Live Forever: Technology For Immortality Only 20 Years Away, Scientist Claims

The 61-year-old American, who has predicted new technologies arriving before, says our understanding of genes and computer technology is accelerating at an incredible rate.

He says theoretically, at the rate our understanding is increasing, nanotechnologies capable of replacing many of our vital organs could be available in 20 years time.

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