Green screen technology has become a common feature of film and TV production.
Vancouver Film School/Flickr
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?
Cate Watkinson, Colour Columns. © Chris Davis
An unlikely combination of artists, medieval historians, philosophers and scientists have converged to create an exhibition of glass artworks.
Bokeh Art Photo/Shutterstock.com
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?
Red makes a big impact, studies show.
Colour can have surprising effects on us, which we are only now beginning to understand.
Bathing in pure colour can have effects on the body and mind.
The brain processes colour in more ways that just creating visual images – here's how.
Everyone sees them all, but we don’t all give them the same distinct names.
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.
Rainbows get their round shape from a process called reflection.
Georgina, age 5, wants to know why rainbows are round.
In India, a light complexion is associated with power, status and beauty, fueling an innovative and growing market of skin-bleaching products.
Indian girls grow up in an environment where they are constantly reminded that fair is beautiful.
Butterfly wings, like those of the monarch butterfly, have inspired scientists to create “structural colours”.
Scientists continue to invent new colours for new applications thanks to nanoscale structures.
Red is the colour of life, of danger and of good luck.
Dusk during the second day of the day-night Sheffield Shield match between Queensland and New South Wales at the Gabba, Brisbane, in October 2016.
AAP Image/Dave Hunt
New research shows pink cricket balls can be extra difficult to see in those crucial minutes when day turns to night during play.
Jupiter and its moon Io really do look like they do in this latest image by NASA’s Juno probe.
Many images of planets have been manipulated. So have we seen their true colours? Not always, it turns out. But Jupiter's red spot really is red.
Indigo, pink, saffron: colour for India isn't just for throwing. It's political, too.
Australian bowler Mitchell Marsh receives the pink ball during the Test match between Australia and New Zealand at the Adelaide Oval.
AAP Image/Dave Hunt
The pink ball introduced to this year's day night cricket test can be difficult to see for some players, especially if they are colour blind. There is a better choice of colour.
Jay Matternes/Wikimedia Commons
Scientists have shown how tiny organic tissue remnants in fossils correspond to the pigments in the animals' original skin and hair.
The Greatest Mind You’ve Never Heard Of.
The 13th century polymath Robert Grosseteste was ahead of his time when it came to understanding light, colour and the universe itself.
Are you feeling warm or cold by the colours?
In a typical kitchen or bathroom you often find the hot and cold water taps labelled red and blue. It’s common practice in industrial and interior design in many parts of the world to present information…
Australian flowers and their pollinators have evolved a specific way of communicating – all based upon colour.
In Australia, honeyeaters are far and away the most abundant and important nectar-feeding birds, so also the most important avian pollinators of flowers. What effect has their visual perception had on…
Colour blindness tests on shrimp have quashed assumptions that more complex eyes mean better colour vision. Scientists found…
Them’s fighting words. And colours.
Humans have been fascinated by the colour-changing abilities of chameleons for a long time. Aristotle himself, the forefather of Western philosophy and also a keen zoologist, mentioned the lizard’s ability…