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.
Australian surfer Mick Fanning, seen here surfing at Snapper Rocks on the Gold Coast, has decided to change the colour of his surfboard. No more yellow.
AAP Image/Jesse Little
The recent shark attack was enough to convince Australian surfer Mick Fanning that the colour of his surfboard may have been a factor. But what do sharks actually see in the water?
The mantis shrimp has 12 types of visual cones.
As humans, we live in a colourful world, but differences in visual systems means that not all animals see the world in the same way. Unlike other aspects of an object such as size or mass, colour is not…