单词:cones in retina
单词:cones in retina 相关文章
第一章 视器 Chapter 1 Visual Organ accessory organs of eye 眼副器 adipose body of orbit 眶脂体 aqueous humor 房水 bulbar conjunctiva 球结膜 central artery of retina 视网膜中央动脉 chambers of eyeball 眼房 choroids 脉络膜 ciliary body 睫状体 ciliary
Bring home a bucket of fried chicken and you may find that people have strong feelings about which part of the bird is best. Well, scientists at Washington University in St. Louis say the answer is: the eyes. At least when you compare them to our own
Here is a summary of the news. Shots are fired in a south London street by escaping bank robbers. Four rock fans die in a stampede at a concert Chicago. And how an Air France Concorde was involved in
Here is a summary of the news. Shots are fired in a south London street by escaping bank robbers. Four rock fans die in a stampede at a concert Chicago. And how an Air France Concorde was involved in the closest recorded miss in aviation history? Sho
Even a visit to the grocery store can overload the senses. It's noisy, bright and smelly. The nose is working overtime. High up inside, specialized nerves dangle in the airstream. They detect chemicals in the air and send an electrical signal to the
For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for c
吃鸡肉时,你知道鸡身上的哪个部分是最好的吗?科学家的回答是:眼睛。科学发现,鸡的视网膜锥(体) 数量比人类多,因此可以感知更多的色彩。 Super Chicken Vision Bring home a bucket of fried chic
Two studies of perception: the retinas of depressed people are far worse at responding to contrast; people doubt statements more when the speaker has a foreign accent. A couple of studies on perception. First, theres now visual data to back up the id
Apple has said that its latest computer operating system, Mavericks, is available free of charge. The California-based company made the announcement Tuesday at an event in San Francisco. 苹果公司表示,其最新款的电脑操作系统Maveri
A couple of studies on perception. First, theres now visual data to back up the idea that everything looks kinda gray when you feel blue. Researchers examined how the retina responds to different black-and-white contrast situations. They did the test
By Melinda Smith Washington 10 July 2007 A recent study in the Journal of the American Medical Association shows that older people who carry certain genes are more susceptible to a loss of their central vision. That loss of sight is an advanced form
Eye Test May Reveal Parkinsons Disease Earlier Parkinson's disease is usually discovered too late in patients for effective treatment. But now there's a new eye test that could diagnose the devastating condition much earlier. The degenerative conditi
It was the last day of the summer day camp. It was hot, almost 100 degrees. The counselors needed a way to cool off the kids. After talking, the counselors decided to give out snow cones. The snow cones would be made out of ice and syrup. There were
Afterglow Heres an experiment you can try: look at something bright relative to its surroundings, such as a lamp or a sunny window, for ten seconds without blink ing . Then shut your eyes and cover them over with your hands. You will find that the la
Is squinting really that effective? 眯眼睛真的有效吗? Male: Thanks for coming on this fact-finding trip with me and share the driving. Female: Glad to do it. It should be a fun trip. I imagine I will learn a lot. M: I hope so. So i think we
Beginners. In our area, some birds will stay for the Winter. They make their nests cozy , fluff up their feathers, and search for food every day. But, they have a problem. Because everything is covered with snow, it is hard to find food. It is too co
激光手术,大饱眼福 For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for cover. Interested in re
In this Moment of Science Don gives Ya?l a neat trick to play on her brain. You might want to try it, too. D: Here's a simple demonstration you can do with cool implications. Find a large object that is brightly colored--let's make it a green door. S
Like glasses, contact lenses work by bending light rays just the right amount to make the object come into focus on the retina at the back of the eye. Sometimes the eyes natural lens has an imperfection or may not be shaped properly, which can make y
At some point in our childhoods it dawns on us how incredibly great it would be to turn invisible. Just imagine all the places you could sneak into! Think of all the things you'd get to see! Well, nobody knows yet how to make a person invisible. But