单词:red-green visual pigment
单词:red-green visual pigment 相关文章
Todd: OK. Steven, you're looking at a picture. Please describe what you see. Steven: I can see a red double-decker bus. It's the kind of bus you'll see very often in London. In fact, I know this bus is from London because I can see the names: Chelsea
Health authorities in Britain have advised against eating too much red meat. The British government has issued a set of red meat guidelines which caution against eating more than 500 grams a week, or 70 grams a day. This is the equivalent of two beef
Im Red Hot, I'm In the Pink, I'm Blue and I'm Green With Envy 红色是愤怒,粉色是健康,蓝色是忧郁,绿色是嫉妒 Now, the VOA Special English program, Words and Their Stories. Every people has its own way of saying things -- its own spec
ARI SHAPIRO, HOST: Cue the music. (SOUNDBITE OF MUSIC) SHAPIRO: Put some mulled wine on the stove. String the lights. And grab everything red and green in your home, and throw it all over the walls, windows, door jambs. To tell us how red and green b
This is scientific Americans 60 second science, I am Sophie Bushwick. got a minute. Tens of millions of years ago, cephalopods were hiding from their enemies in clouds of ink. And it turns out that cuttlefish today produce ink thats almost identical.
Hundreds of millions of years ago a humble fish swam in the lakes and rivers of the supercontinent Gondwana. Eventually Gondwana broke apart, becoming the continents we know today. And the descendants of that fish, now called cichlids, continue to sw
(WA) Human populations near the equator have evolved dark skin over many generations because of exposure to the fierce rays of the Sun. A similar phenomenon has also occurred in other parts of the animal kingdom. The African grass mouse is a good ex
The reds or the greens? Two apples up in a tree were looking down on the world.The first apple said,Look at all those people fighting,robbing,rioting --no one seems willing to get along with his fellow man.Some day we apples will be t
Now, heres something you dont see every day: scientists cure color-blind monkeys. According to a report published online in the journal Nature, researchers have used gene therapy to allow color-blind squirrel monkeys to look at their fruit in a whole
Imagine Van Gogh's paintings of yellow sunflowers. Now imagine the flowers brown. Eh, not so good. Sadly, we may someday see what that would look like. Because the bright yellow paints on the canvas are slowly turning muddy. Now, an international tea
By Jessica Berman Washington 24 May 2007 Scientists have always thought that babies learn language by hearing them, but a new study provides evidence that infants as young as four months can distinguish between different languages being spoken by usi
Sea Life Color Codes Food to Evade Danger The ocean glows with undersea life which makes its own light. These animals living on the ocean floor, beyond the reach of sunlight, have evolved this bioluminescence for camouflage, to find mates or to repel
Autumn Leaves Show Their True Colors As days grow shorter and nights grow cooler in Boulder, Colorado, the green leaves of summer have been putting on party colors. On cottonwood trees and aspens, theyre golden yellow coins. On Mapleton Avenue, the m
Hollywood Visual Effects Go Global 好莱坞视觉特效走向世界 LOS ANGELES Many of todays Hollywood blockbuster movies include stunning visual effects. Most of those effects used to be produced in Hollywood, but that has changed. Now, one film
Voice 1 Welcome to Spotlight. Im Christy VanArragon. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 A small red circle. A thi
Hundreds of millions of years ago a humble fish swam in the lakes and rivers of the supercontinent Gondwana. Eventually Gondwana broke apart, becoming the continents we know today. And the descendants of that fish, now called cichlids, continue to sw
At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be
WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A
Voice 1 Welcome to Spotlight. Im Christy VanArragon. Voice 2 And Im Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 A small red circle. A thi