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Posts tagged vision

February 4, 2010

 

cat_025

Cats And Colors

Have you ever wondered why your cat cannot see color?

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 20, 2009

 

Close up of frog in water

You Can’t Eat What You Can’t See

One of the most impressive feats of muscular coordination in nature is the very common instance of a frog darting out its tongue in order to catch a fly.

September 25, 2008

 

robin

How Do Robins And Other Birds Find Worms?

The early bird catches the worm. But, how do Robins find worms?

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.

October 9, 2007

 

Goldfinch Fly-By

Flicker Fusion Frequency

Have you ever seen one bird chasing another through the air at breakneck speed, and wondered how it keeps from colliding with branches?

July 31, 2007

 

Human brain replica

Reconnecting the Brain

How complex is the human brain, and how much can brain surgeons do to repair brain damage? Learn more on this Moment of Science.

January 23, 2006

 

cataract_surgery

Cloudy Vision

Thanks in part to the wonders of modern medicine, people are living longer than every before. Living to a ripe old age does have its drawbacks, though.

July 22, 2005

 

Women See More Color

Not only are 8% of men colorblind, but even compared to men who can distinguish between reds and greens, many women may live a more colorful existence. That’s because about 40% of women possess two types of so-called red cones, a key gene involved in enabling one to see the color red. Learn more on this Moment of Science.

July 7, 2005

 

A myriad of colors pieced together from many different photos

Insect Color Vision

Can insects see colors? As it turns out, it depends on what kind of eyes it has.

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