In fact, many bats, nocturnal snakes and lizards have no cones at all ... this return trip passes out of the eye the same way it came in—through the pupil. The presence of the tapetum can ...

Garner conducted an experiment to see whether studying a person's pupils (the centers of their eyes) was a good indicator of ...

By keeping the bulb in the center and orbiting the blue gel (for the iris) and the opaque disk (for the pupil) around the bulb, the eye can appear to gaze in different directions. By adjusting the ...

Researchers at Cornell University in the US attached electrodes to mice brains and followed the rodents with eye-tracking cameras. They found new memories replayed and consolidated when the pupil ...