As the venture capitalist and "very large yacht" owner Nick Hanauer wrote in a memo to "My Fellow Zillionaires" in 2014, there is no example in human… - David A. Sinclair

to lose their identity and become cancerous. And geneticist Nir Barzilai spoke of genetic variants in long-lived humans and his belief that all aging-related diseases can be substantially prevented and human lives can be considerably extended with one relatively easy pharmaceutical intervention.

Aging, quite simply, is a loss of information.

And it is home to what is arguably the most prestigious national scientific association in the world, the Royal Society. Founded in the 1600s during the Age of Enlightenment and formerly headed by Australia's catalyst, the botanist Sir Joseph Banks, as well as such legendary minds as Sir Isaac Newton and Thomas Henry Huxley, the society's cheeky motto is a pretty good one to live by: "Nullius in Verba," it says underneath the society's coat of arms. That's Latin for "Take nobody's word for it."