Glaciers erode U-shaped valleys with a flat floor and steep sides. The glacier uses the processes of plucking and abrasion to widen, steepen, deepen and smooth V-shaped river valleys into a 'U' shape.

Council documents for the 250-home plan reveal a phallic shape, leaving locals wondering, they say, whether the design is deliberate. Critics of the proposal suggest size really does matter ...

The labor force participation rate of married women first declines and then rises as countries develop. Its þ-shape is revealed both across the process of economic development and through the ...

Contrary to the long-held belief that the mid-career crisis plagues everyone, new research suggests that job satisfaction follows a U-shaped trajectory only for managerial and professional workers.