We see them everywhere: some are serene, blissful, meditating in drugstore fliers. Others - lithe visions of feminine happiness, stretching in yogurt and maxi...

She was the Kate Moss of her day, her face ushering in a realist art that shocked the Paris bourgeoisie. But who was she?...

How do our faces convey emotion? Conventional thinking tells us that we smile because something made us happy, or we frown because we're annoyed...