colour

Analysis and Comment (2)

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Brain scan technology is finding that some parts of the brain respond more strongly to colour than others. Flickr/dpi

Perceiving colour involves more than meets the eye

For more than 200 years, scientists have known the range of colours we can see means there must be three different types of light-responsive cells in our eyes. These three types of cell, along with the…

Research Briefs (3)

Mimicking butterfly wings

Iridescent surfaces such as opals, beetle exoskeletons and butterfly wings have unique colour properties due to their microscopic…