Evolution of human colour vision opsins was increasing from 400 to 430. During this time, Ancestral Boreotherian had two long wave length opsins created by gene duplication, with one retaining the absolute max value of 560, equal to the ancestral value. This led to the creation of the modern human long wavelength sensitive, or red opsin. The other short wavelength sensitive opsin decreased its absolute max value to 530 and became the middle wavelength sensitive, or green-sensitive opsin. This occurred through mutations involving S180A, Y277F and T285A. The order that these mutations took place in the ancestral Boreotheria is currently not fully known. It is
What Hurts the Most What Hurts the Most "What Hurts the Most" is a song written by American songwriter Jeffrey Steele and English songwriter Steve Robson. Initially recorded by country music artist Mark Wills in 2003 on his album "And the Crowd Goes Wild", it was covered by Bellefire a year later. The first version to be released as a single was by pop singer Jo O'Meara in 2005, from the album "Relentless". Later that year, country band Rascal Flatts covered the song as well, releasing it as the first single from the 2006 album "Me and My Gang", topping the U.S country and