Have you heard about "olo"? Scientists claim to have discovered a brand new colour that no human has ever seen before without special help! This saturated blue-green shade was reportedly seen by stimulating specific cells in the eye with lasers. But is it really a new colour, or is the discovery "open to argument"?

This week we discuss this amazing claim and what it means. We use the idea of this 'new colour' olo as a starting point to talk about the fascinating world of colours in general, from their historical significance (like purple traditionally being a colour for royalty) to how businesses use them in branding.

Why is the colour of a brand like Coca-Cola (red) or British Airways (blue) so important? What does the research into olo potentially mean for helping people who are colour blind? We cover all this and more!

Direct Link: https://www.bbc.com/news/articles/clyq0n3em41o