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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For annulated sea snakes, seeing the wonderful world of color wasn ...

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 ...

This jumping spider appears to be staring at you with four giant eyes, but it actually has eight eyes around the top of its cephalothorax (head and upper body). While the largest pair of eyes provides ...

1 Fiat lux: let there be light -- 2 The eye and color vision -- 3 Luminance and night vision -- 4 The first stages of processing color and luminance: where and what -- 5 Acuity and spatial resolution: ...

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.