When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection ...

The eyes of a Cuban rock iguana, a gargoyle gecko, a blue-eyed black lemur, a southern ground hornbill, a red-eyed tree frog, a domestic goat, a western lowland gorilla, and a human This story ...

The intricacy and seeming perfection of the eye, both as an object of anatomical beauty and as a working machine, have worried and intrigued scientists, philosophers and zealots, especially during ...

Cameras and eyes both detect light. Both cameras and the human eye use lenses to focus light. Both cameras and the human eye contain material that is sensitive to light. Follow me please class.

Environment plays a much greater role than host genetics in determining the composition of the human gut microbiome, according to a study published today (February 28) in Nature. And including ...