Evolution of human colour vision other two human opsins. Middle Wavelength Sensitive Opsin (Green-sensitive opsin) – Encoded by the OPN1MW gene with a λmax of 530 found in the green region of the electromagnetic spectrum. Short Wavelength Sensitive Opsin (Blue opsin) – Encoded by the OPN1SW gene with a λmax of 430 found in the blue region of the electromagnetic spectrum. Certain parts of opsin genes and the vision of various species, including humans, has been known to change over time with different environmental changes. Recent studies have shown that primitive nocturnal mammalian ancestors had dichromatic vision consisting of UV–sensitive and red–sensitive traits. A change
The Needle's Eye (novel) The Needle's Eye (novel) The Needle's Eye is a 1972 novel by British novelist Margaret Drabble. The novel was well received by reviewers, like contemporary novelist Joyce Carol Oates. Though it was her fifth novel, Drabble described it as her first time that she could "actually write a novel" expressing what she wanted to write. Novelist Joyce Carol Oates gave a glowing review for the novel in the "New York Times" describing the novel as well surpassing the quality of her earlier works. Oates writes that "The Needle's Eye" was an "extraordinary work", transporting the reader into the "human and