A Moment of Science

Posts tagged eyes

December 8, 2010

 

eagle

Eagles Have Eyes That Produce A Telephoto Effect

Eagle's have very different vision compared to humans.

October 21, 2010

 

Close up of a White and gray cat with owner

Why Do Cats Have Slit Pupils And Humans Have Round Pupils?

You probably have noticed that cats have slit pupils and humans have round pupils. What are the advantages of each pupil shape?

May 27, 2010

 

eye_105

Debunking Common Eye Myths

When it comes to common eye myths, what is true and what is false?

March 15, 2010

 

vision_052

What Is Saccade?

Look in the mirror... do you see your eyes move? Learn about saccade.

August 3, 2009

 

Toddler shedding a tear.

Why We Cry: The Chemistry Of Tears

It turns out, tears are more essential than might have thought. This Moment of Science looks at the chemistry of tears.

February 13, 2009

 

Man wearing amber sunglasses

Amber Sunglasses

Amber tinted sunglasses make things appear much sharper because they block the blue and red parts of sunlight.

January 26, 2009

 

Baby scops owl with head turned

Staring Eyes and Swiveling Necks

Owls use their giant, staring eyes and that amazingly swivel-prone neck as part of an overall system for catching prey.

January 9, 2009

 

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.

December 17, 2008

 

Green sunfish lying in grass

A Fishy Gaze

Green sunfish can see quite well in water that is thick and murky. How?

November 19, 2007

 

Girl reading with stack of books

Myopia and Reading

You may have heard that reading a lot causes near-sightedness, but is there any truth to this rumor? Learn more on this Moment of Science.

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