In Dr Sinclair's view, the way caloric restriction prolongs life revolves around genes for proteins called sirtuins.

ECONOMIST: Abolishing ageing

Medicine prolongs life and slows aging, but personal satisfaction is as elusive a commodity as it was for Dorian Gray.

NEWYORKER: Deceptive Picture

"Facebook prolongs the period it takes to get over someone, because you have an open window into their life, whether you want to or not, " says Yianni Garcia of New York, a consultant who helps companies use social media.

WSJ: How Facebook Can Ruin Your Friendships