“If [calorie restriction] gets him far enough to benefit from these marvels then a few decades of deprivation might translate into additional centuries of life. He might even reach what Dave Gobel, boss of the Methuselah Foundation, an aging-research charity, calls longevity escape velocity, the point where life expectancy increases by more than a year every year. This, he thinks, is the way to immortality.” The Economist: The fight to cheat death is heating up.

+ Bloomberg: More old than young: a demographic shock sweeps the globe.