Most snakes can only see the colors blue and green, along with ultraviolet light in some cases. New research, however, suggests that sea snakes have evolved to actually regain the wider-color vision ...
Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...
The most common types of color blindness, or color vision deficiency, are genetic. However, other types may develop due to injuries, eye diseases, health problems, and side effects of treatment.
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