单词：cones in retina
单词：cones in retina 相关文章
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
Scientific American(二)月
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
国家地理2007年
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
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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
60秒科学
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
Scientific American(七)月
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
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