When we are in a fairly dark room, or outside at night away from lights, we can still see, but we can't see the colors of things very well. Why is that?
Clouds can range in color from brilliant white to almost black. Why?
Some people report seeing colors when they read text or tasting flavors when they listen to music. Elevated neuronal responsiveness could be to blame.
Researchers found that if they bombard fossils with a special type of intense x-ray, they can find the pigment's location.
We've all seen how when we splash water on cloth, the places where the water hits appear darker than the rest. Does the cloth change color when wet?
Why does the corner of the room, where two walls and the ceiling meet seem to show two different wall colors?
Are you a bird watcher? Well, you should know that a bird that appears blue is actually colorless.
Clever cephalopods and colorblind camouflage champions---cuttlefish!