If you give 10 people multiple crayon boxes and ask them to pick the colour "red", chances are that everyone will pick a different red. Because there is no one way to describe colours. German-American ...

Mars is immediately recognisable in the night sky by its red hue, but where does its iconic colour come from? Martian dust is mostly rust! Mars’s famed colour has captivated humankind for centuries, ...

It's the most wonderful time of the year — at least for Christmas-lovers anyway. If you count yourself among them, then you may already have your tree picked out, the lights hung and your red and ...

Bulls charge at movement, not red; they see mostly blue and yellow. Red capes in bullfighting hide blood stains better, making them traditional. Science shows bulls react the same to moving objects, ...