ANDREA SEABROOK
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As a kid, I always believed that cats and dogs had some form of ‘organic’ radium in their eyes that made their eyes glow in the dark. I’m sure a lot of kids that age believe that too. However, as it turns out, there is no organic radium making the eyes of these animals shine...
A five-minute walk from the well-marked signpost along State Hwy 6 at the northern entrance to the town, and you will be in the glow worm dell. As it must be dark to see the glow worms, we used a torch (flashlight) to follow the path but then stood in darkness at the dell. ...
Fireflies—also known as lightning bugs—have been captivating humans for centuries with their beautiful lights on summer nights. What makes fireflies glow the way they do? The nearly 2,000 species of fireflies worldwide inhabit every continent except Antarctica. The firefly isn’t actually a fly...
Tapetum lucidum.This is one of those features which is unique to a cat and assists them in seeing in low-light conditions. It is also why a cat’s eyes glow at night. The tapetum lucidum is a reflective membrane stationed right behind the retina. If some light does not reach the retin...
Dogs with white coats and blue eyes can give off a red-eye effect in dark settings. The red-eye look is due to blood vessels in the eyes that reflect when exposed to light. “Among my favorites areMiniature Schnauzers," Dr. Powell says. "Their eyes tend to glow a beautiful turquoise...
The particles could be too small, or moving too fast, to be seen, or perhaps our eyes see right through them. As it turns out, all of these theories are both right and wrong at once. And they're all useful in describing certain behaviors of light....
There are certain conditions that cause humans to see colors every time they close their eyes. One of them is, if when the eyes are shut at the daytime outside, or inside a bright room.PxHere 'Phosphenes' Researchers believe that actual or real light may play an important role in phosphe...