Hockney at 83. Pencil, pen and ink, charcoal, crayon, watercolor, photography, iPhone: No medium is uncongenial to his talent ... more »
“All things are made of elementary particles," says Frank Wilczek. Understanding them is a triumph of modern physics ... more »
Americans say they want 2.5 children, but they're having only 1.7, on average. Why? Ross Douthat's case for larger families... more »