A few years ago he enshrined this concept in a model that charts eye evolution in four stages, each defined not by physical structures but by the things that they allow animals to do. The first ...

An insect eye looks so different from a human eye that one would assume intuitively that this must have arisen quite differently in evolution. There was a separate sort of construction, which was ...

The invention of the eye ushered in a more brutal and competitive world. Vision made it possible for animals to become active hunters, and sparked an evolutionary arms race that transformed the ...

The eye would then be struck with a blunt object ... Today, routine wounds are <3 mm long, and 1 mm wounds are on the horizon. The evolution of smaller surgical incisions was matched by the ...

An insect eye looks so different from a human eye that one would assume intuitively that this must have arisen quite differently in evolution. There was a separate sort of construction ...