Chelsea look set to undergo a retro revival next season, with new leaks seeming to confirm rumours that red will return as the third colour of their home strip for only the third time since the 1990s. (chelseafconline.com)
Our primate ancestors later re-evolved a third colour receptor, so humans can see hundreds of thousands of hues that are invisible to dogs or horses. (newscientist.com)
In their latest paper in Faraday Discussions the team, led by Professor Robert Hillman, have developed this technique further by incorporating within the film fluorophore molecules that re-emit light of a third colour when exposed to light or any other form of electromagnetic radiation such as ultra-violet rays. (sciencedaily.com)