When someone says “as white as snow,” it’s easy to envision what they’re talking about. We often think of snow as a dazzling ...

Fresh snow can look like a blank sheet of paper, so bright it almost hurts to stare at in midday sun. Yet at the microscopic level, those flakes are not white at all, and the color we think we see is ...

Scientists cannot say for certain, but new research suggests that different people’s brains respond similarly when looking at a particular hue. By Kenneth Chang After decades of brain research, ...