Color is the Light Beams Things Do Not Want

But the reflected light-waves do more for us than this. They not only make us see things, but they make us see them in different colours. What, you will ask, is this too the work of the sunbeams? Certainly; for if the colour we see depends on the size of the waves which come back to us, then we must see things coloured differently according to the waves they send back. For instance, imagine a sunbeam playing on a leaf: part of its waves bound straight back from it to our eye and make us see t...

 Colors of Sea Life Match the Layer of Ocean in Which they...

In a curious way, the colors of marine animals tend to be related to the zone in which they live. Fishes of the surface waters, like the mackerel and herring often are blue or green; so are the floats of the Portuguese men-of-war and the azure-tinted wings of teh swimming snales. Down below the diatom meadows and drifting sargassum weed, where teh water becomes ever more deeply, brilliantly blue, many creatures are crystal clear. Their glassy, ghostly forms blend with their surroundings and m...