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Posts tagged color

July 20, 2016


Woman rubbing her eyes

The Amazing Flash Illusion

If you've ever rubbed your eyes and seen faint sparkles of light, you have demonstrated a surprising fact of sensory physiology.

June 3, 2016


green door with handle

The Green Door

We don't perceive color in our peripheral vision because we have no cones, which sense light frequencies, on the outer edge of our retina.

August 17, 2015


basket of naturally colored eggs

How Eggs Get Their Color  

The color of eggshells helps mothers identify their own kind and/or camouflage them with their environment.

August 11, 2015


dusky dotty back fish blending into purple surroundings

Dusky Dottyback Fish Go Undercover 

The dusky dottyback is dressed to kill: It shape-shifts to look like its prey and goes in for the attack.

November 14, 2014


Privet Hawkmoth

The Color of Dark

Hawkmoths not only have excellent night vision, but they can distinguish between colors in the dark.

March 27, 2013


colors on a cup

Do Colors Have Smells?

Have you ever heard the color blue? Or tasted the musical note F-sharp?

February 12, 2013


woman putting on pink lipstick

How Fluorescent Lighting Affects Color

Did you know that florescent lighting affects the look of color (including makeup!)

January 26, 2012


blue sky with clouds

Why The Sky Is Not Blue

This is partly due to pollution, but even in the cleanest air the sky is lighter near the horizon due to the effect of earth's atmosphere on sunlight.

January 24, 2012


two people laying in the grass with their hands over their eyes

Night Vision And Humans: Why Can’t We See Color?

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?

January 19, 2012


clouds in the sky

Why Are Clouds White?

Clouds can range in color from brilliant white to almost black. Why?

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