english: And what Darwin could not appreciate, or didn't perhaps want to appreciate at the time, is that there was a fundamental relationship between the intensity of ultraviolet radiation and skin pigmentation.
non_english: Ono što Darvin nije cenio, ili nije želeo da uzme u obzir u to vreme, jeste to da postoji fundamentalna veza između intenziteta ultravioletne radijacije i pigmentacije kože.