Evolution of human colour vision as 'visual purple' receptor proteins, are encoded by Rh1, OPN2 and RHO genes. They are characterized by extreme sensitivity to light and enable monochromatic human vision in low light or dim conditions. They are broken down into retinal and opsin when exposed to these conditions. Humans have 3 types of photopsin proteins found in the cone cells. Long Wavelength Sensitive Opsin (Red cone opsin) – Encoded by the OPN1LW gene with a λmax of 560 that is found in the yellow-green electromagnetic spectrum despite its name. Its sensitivity to the colour red is still known to be higher than the
Blue Is the Colour Blue Is the Colour Blue Is the Colour is the fifth studio album from English band The Beautiful South, released in October 1996 through Go! Discs and in America through Ark 21 Records. Following the two singles "Pretenders to the Throne" and "Dream a Little Dream", which never featured on any album until the release of the second greatest hits "Solid Bronze" in 2001, it was named after a pub in Sheffield. The album continued the melancholic tone of its predecessor "Miaow", and is generally considered to be the band's darkest effort, reflecting Heaton's life at the time. This comes