You can take some absolutely gorgeous photos using the natural reflection that appears in people's and animals' eyes. With the right angle and lighting, you can even see a detailed picture of what the subject was looking at when the photo was taken. Photo by Martin Cathrae
Plastic water bottle caps are more than just a massive strain on the environment. They can also be used to perform this cool party trick! All you do is hold the cap in your fist and then pound said fist from the bottom with your other hand. If you do it right, the cap should launch high into the air with a nice little pop. This is sure to impress the guests at your next party or puncture the cornea of one of your enemies, depending on what you aim the cap at.
Check out this video tutorial on how to dissect the eye of a cow. If you like science, and you like animal anatomy, then why not go out and get your own cows eye for dissecting, and more importantly, learning? You'll see the cornea, the iris, the ciliary muscle, the eye tissue, and more.
An unknown artist demonstrates step by step how to draw a realistic eye in this video. She first begins with lightly drawing the eyes shape, starting with the upper lid and gradually beginning to darken the line once she is satisfied with the shape an contour. She then draws the upper lid and continues on to the iris, pupil, and cornea. Then she works on shading the eye, drawing the lashes, and then using the eraser to remove any stray lines and whiten certain areas. Then, she begins drawing ...
As someone who's dependent on glasses to see on an everyday basis, losing or misplacing them is obviously a bad thing. I can't even see clearly enough to find the glasses that I just lost, so I'm pretty much blind now.
Acanthamoeba keratitis (AK), a rare eye infection caused by the Acanthamoeba ameba found in tap water, affects a few dozen people in the US every year. In some cases, it can have devastating effects, like what Irenie Ekkeshis has experienced; She was blinded by AK in her right eye due to a contaminated contact lens.
Not all bacteria in the eyes cause infection. A group of researchers from the National Eye Institue has shown that not only is there a population of bacteria on the eyes that reside there but they perform an important function. They help activate the immune system to get rid of bad, potentially infection-causing — pathogenic — bacteria there.
