There are 120 million rods which detect mainly black and white information, while there are up to seven million cones which identify different wavelengths of light roughly corresponding to red ...

The above image has been blowing the minds of the internet for a while now. People shared it on social media with the caption: "Does this photo look black and white to you" At first glance, this ...

Blue and black or white and gold, how the dress colour you see says a lot about you. It's all about the way your brain is programmed to understand light — and whether you're a night or day person ...

These pictures are black and white but coloured grids make us think otherwise (Picture: Øyvind Kolås) The internet is fascinated with how we each see things – be that the dress or the shoes ...