Scientists hypothesize that people rely on some general mental scheme of what apples look like to remember the Apple logo.
Scientists have shown that many blind people develop enhanced hearing abilities.
The human brain uses the same areas for both imagination and vision.
Human brains create perceptual stability by suppressing vision whenever the eyes shift rapidly from one point to the next.
Today, we have a simple activity about perception that you can accomplish with a pot of water and a ruler.
Looking at your shadow can teach you about how human eyesight and perception works.
Ancient fish that had evolved better eyesight may have hunted like crocodiles.
In a recent experiment, scientists used transplated photoreceptors to restore vision in mice.
Some scientists have theorized that plants can see.
Humans aren't the only animals who become farsighted as they age.