THIS mind-boggling illusion used to demonstrate what people with colourblindness can see has blown the minds of social media users. All you have to do is stare at the middle of the green, yellow, ...

19. The union flag optical illusion Observing the world in all its colourful glory is something many of us take for granted. But how different do things look if you’re colour blind? In a video ...

Keep an eye out and concentrate hard. An excellent illustration of how our minds favor patterns over abnormalities is this optical illusion. This image initially seems to be made up of rows of the ...

A moth found in northern Australia and South-East Asia has an astonishing camouflage trick: it creates an optical illusion to look like a three-dimensional leaf, complete with a raised midrib ...

It may be a concealed object, an abnormal outlook, or a well-concealed attribute, but optical illusions push the brain and provide an intriguing visual challenge. One such illusion has swept the ...

THIS mind-boggling illusion used to demonstrate what people ... and black version of the Union Jack flag. The video was made in 1985 for the BBC but has since resurfaced after being posted online ...