Science Weekly, September 30th, 1999
How do you know what's going on all around you?? You rely on your 5 senses - taste, touch, hearing, smell, and sight. Did you know that of all your senses, you use sight the most? You use this sense in almost everything you do -- from choosing clothes that match to checking what's really in that sandwich before you bite into it. Your eyes are busy all day long gathering information.
How We See
Your eyes work by collecting light. First, light passes through your cornea. The cornea is the outer layer that protects your eye. Then the light travels through your pupil, the black dot in the cent...
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