These allow them to differentiate between red and blue, and even see wavelengths that we can not, in the far red and ultraviolet parts of the spectrum. (newscientist.com)
The richness of the world we see is rivaled only by that of birds and some insects, which also perceive the ultraviolet part of the spectrum. (discovermagazine.com)
Last year, two astronomers in the United Kingdom, Ross McLure at the University of Edinburgh and Matt Jarvis of the University of Oxford, showed that for distant galaxies, the emission line of ionized magnesium — which shows up in the ultraviolet part of the spectrum — can be used instead. (sciencemag.org)