In 1991 Russell G. Foster and colleagues including Ignacio Provencio discovered a non-rod, non-cone photoreceptor in the eyes of mice where it was shown to mediate circadian rhythms, i.e. the body's 24-hour biological clock.
Russell G. Foster discovered a non-rod, non-cone photoreceptor in the eyes of mice. This was in 1991. Colleagues including Ignacio Provencio discovered a non-rod, non-cone photoreceptor in the eyes of mice. This was in 1991. It was shown to mediate circadian rhythms. Russell G. Foster were i.e. the body's 24-hour biological clock. This was in 1991. Colleagues including Ignacio Provencio were i.e. the body's 24-hour biological clock. This was in 1991.