Analysis of information sources in references of the Wikipedia article "Cone cell" in English language version.
Equipped with four receptors instead of three, Mrs M - an English social worker, and the first known human "tetrachromat" - sees rare subtleties of colour.
A tetrachromat is a woman who can see four distinct ranges of color, instead of the three that most of us live with.
Equipped with four receptors instead of three, Mrs M - an English social worker, and the first known human "tetrachromat" - sees rare subtleties of colour.
A tetrachromat is a woman who can see four distinct ranges of color, instead of the three that most of us live with.