The images below each show a scene as viewed by a human. Drag the slider to the left to see how an animal would see the same scene. Whereas human eyes contain three types of colour-detecting cells, ...

A new study led by researchers at the University of Arizona has shed light on the evolution of colour vision and colour signalling in animals. The research, published in the journal Biological ...

The organisation highlighted the dangers posed by toxic colours used during traditional Holi celebrations, which can cause severe health risks to humans and animals. Keren Nazareth, director of ...