Who here believes involuntary death is a good thing?" Nathan Cheng has been delivering similar versions of this speech over the last couple of years, so I knew what was coming. He was about to try to convince the 80 or so people in the audience that death is bad. And that defeating it should...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Meet the Vitalists: the hardcore longevity enthusiasts who believe death is wrong" Last April, an excited crowd gathered at a compound in Berkeley, California, for a three-day event called the Vitalist Bay Summit....