Peter Thiel’s quest to find the key to eternal life

Peter Thiel, 47, revels in being a contrarian. The billionaire co-founder of PayPal and investor in Facebook has set up a fellowship program that encourages kids to drop out of college, has given millions of dollars to Ron Paul’s PAC and has started an organization dedicated to the world’s first floating city out of reach of any government on Earth. But the idea he’s most passionate about is using technology to extend human life far beyond what it is now and all the biological...

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