1.   Every human iris, which is a membrane in the eye that determines its color, is unique.

2.   Ever wonder which substance in the iris determines eye color?

3.   His only clothes, two button-down shirts and a pair of pants, were so filthy that it was impossible to determine their color.

4.   Just as they determine the color of our eyes, the genes we inherit help determine how we will react to certain drugs.

5.   Minerals in the clay help determine color.

6.   One way to determine the colors is to light up the eye and then take a picture of it with a still or video camera.

7.   Q. What determines the color of clouds?

8.   Shell color is determined by the breed of the hen.

9.   The brain uses this information to determine the color.

10.   The color of the meat determines the color of the maggot.