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The colors of the sea

A glass of water has no color. But the water of the sea looks blue in some places and green in others. And in some places it looks brownish, or reddish, or even yellow. Where does the sea get its...

Changing color

How would you like to play hide-and-seek with a chameleon? You'd have a hard time finding this tiny lizard. It can hide by changing color! It can be green on a green leaf, yellow on yellow sand, and...

How Many Colors?

> by Christina Rossetti What is pink? a rose is pink By the fountain's brink. What is red? a poppy's red In its barley bed. What is blue? the sky is blue Where the clouds float thro'. What is...