Eye Watering facts
While investigating facts about Eye Watering, I found out little known, but curios details like:
To combat the theft of trees around Christmas time, University of Nebraska-Lincoln used to spray their trees with fox urine. It freezes and has no odor outside, but thaws if taken indoors. The resultant smell is so rancid it is “eye-watering”.
Blue eyes don’t have blue pigment and are instead blue for the same reason that water and the sky are blue: they scatter light so that only blue light reflects out
In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across. Here are 50 of the best facts about Eye Watering I managed to collect.
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To punish tree thieves who cut down trees illegally, some cities spray trees with fox urine around Christmas time. It freezes on them and is odorless outdoors, but would stink up your whole house if brought indoors; the smell is "eye-watering."
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The Manchineel tree is considered one of the most poisonous tree in the world. It causes painful blisters if you stand under it during rain, blinds you if the smoke from its burned wood touches your eyes, can poison water with its leaves and will cause death if you eat its fruits.
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Tears in your eyes often drain through small drain ways called "punctum" near the middle of your lower eyelid. They then drain into your nose, contributing to runny noses. When you choke on food, your eyes water because nasal pressure is reversed sending tears back to your eyes the same way.
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A very nearsighted person can see more or less normally underwater because of the faulty refractive index of the eye is negated by the waters refractive index
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About Scheele’s Green, a popular pigment in the 1800s made with deadly arsenic. One famous death was of a flowermaker, who dusted the pigment onto fake foliage. “She vomited green waters; the whites of her eyes had turned green, and she told her doctor that ‘everything she looked at was green.’”
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Penguins and other marine birds have a supraorbital gland above their eye socket that breaks down sodium in their bloodstream. Which allows them to remove salt from saltwater and make it fresh water for them to survive.
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An Archerfish rotates its eyes to lock onto prey (i.e. insects), has its lips break the surface, and squirts a jet of water. It contracts its gills so the water at the rear travels faster than at the front, causing it to become a blob directly before impact. They can shoot prey 3-6 feet away.
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The intelligence of Manta Ray. Manta ray in distress 'asks' divers for help. The three-metre-wide gentle giant, affectionately named Freckles by local divers, approached them and flipped over in the water to show them her problem – hooks embedded under her right eye.
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Contact lenses were first proposed by Leonardo Da Vinci in 1508. He described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.
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Penguins filter out the salt in salt water via a duct behind their eyes then sneeze out the extracted salt
Abba Kovner a Holocaust survivor who set out to repay Germans in kind after the Second World War. He believed in the ‘eye for an eye’ philosophy of the Old Testament and planned to poison 6 million Germans to death by targeting their water supply. - source
Eyes of mudskipper move independently of each other. They can visualize objects above and below the surface of the water at the same time.
Flat-headed cat has flattened head with long snout and small, rounded ears. Large eyes are positioned close to each other to improve visualization of the prey in and close to the water.
Seagulls are one of the rare animals that are able to drink salt water. They have special glands (located above the eyes) which eliminate excess salt from the body.
The world's first super predator was Anomalocaris, a 2-6 foot long shrimp from around 500 million years ago that had powerful compound eyes, undulating lobes for propelling itself through the water, and appendages near its mouth to capture its prey.
Banded cat-eyed snake usually hunts near the water or searches the prey hidden in the shrubs.
The sky is really purple. The atmosphere combined with water particles absorbs the color and scatters it to the eye, making it appear blue rather than purple.
Giant otters have well developed sense of sight, used primarily for the hunting. Besides eyes, they use the whiskers to detect the prey in the water by identifying changes in the water pressure and current.
Blobfish has big head, huge mouth with drooping corners, beady eyes and big nose (actually flap of skin). Exact morphology of this fish in the water is unknown (it is never photographed in its natural environment) but it probably has tapered body and flat tail.
