Pink blood, green blood, or no blood at all – when it comes to what's inside a worm's body, the answer is more complicated – and fascinating – than you'd think.
All chameleons are able to change colour at least a little bit, but some species can do it much more than others.
Viruses exist in a realm where there is no light and colour has no meaning. In their COVID-19 depictions, designers, illustrators and communicators make some highly creative and evocative decisions.
When we look at art we may not all see the same thing. It all depends on what happens in our brains.
Scientists have discovered how the wise old barn owl is so good at catching rodents.
Researchers can more easily compare heated rocks from different studies and areas.
What colours we see depends not just on how things are in the world around us, but also on what happens in our eyes and our brains.
When crustaceans are cooked, some chemicals in their shells react with heat and change colour.
How our life experiences change the way we perceive colours.
Claude Monet painted The Magpie in winter 1868, turning his interest in colour on the blank canvass of snow.
Turkish painter Esref Armagan uses colour and perspective that he has never seen.
From Superman to Jurassic Park, green screen technology is what makes the jaw-dropping effects you see in blockbuster movies possible. But how does it work?
An unlikely combination of artists, medieval historians, philosophers and scientists have converged to create an exhibition of glass artworks.
It has long been known that colour and emotion are linked – so could colour could be used as a language to express how we feel?
Colour can have surprising effects on us, which we are only now beginning to understand.
The brain processes colour in more ways that just creating visual images – here's how.
People across the globe all see millions of distinct colors. But the terms we use to describe them vary across cultures. New cognitive science research suggests it's about what we want to communicate.
Georgina, age 5, wants to know why rainbows are round.
Indian girls grow up in an environment where they are constantly reminded that fair is beautiful.
Scientists continue to invent new colours for new applications thanks to nanoscale structures.