From Psychology Today, a look at why young single men are more xenophobic (and part 2); and positive psychology is all the rage these days; what can evolutionary psychology say about how to be happy? Don't worry, be happy: You want it, you deserve it! That's the misleading message of a thousand self-help guides to instant bliss. From Symmetry, an article on particle physics benefits: adding it up; and who will be the first to prove the existence of dark matter and dark energy? A particle physicist and an astrophysicist go head to head. From FT, an interview with David Sedaris. From The Weekly Standard, Andrew Ferguson on the politics of fat: A hefty problem for the left. The first chapter from Market Rebels: How Activists Make or Break Radical Innovations by Hayagreeva Rao. From The Atlantic, Africa's rising star: A peaceful and well-conducted national election bodes well for democracy in Ghana and the rest of Africa; and pay close attention to Greece; at a time of world-wide economic upheaval, it might eerily presage disturbances elsewhere in 2009. Timing is everything: Music grapples with time and transcends philosophy. George Orwell, forgiving and championing bad art: Orwell's essays remind us that better than our best intentions is our inescapable nature, our shared ordinariness, which will always have the potential to redeem us all if only we will embrace it.