虹膜色素细胞

SSS 2012-05-25

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.

发表于:2018-12-24 / 阅读(56) / 评论(0)

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托福听力短文 II-01-2

(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

发表于:2018-12-30 / 阅读(75) / 评论(0)

托福听力短文

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Why Does Spot Have Spots? In dogs with multicolored coats, white areas have no pigment cells. Black, brown or yellow areas, on the other hand, get their color from special pigment cells. When a dog is just an embryo, these pigment cells travel from t

发表于:2018-12-31 / 阅读(64) / 评论(0)

英语听力文摘 English Digest

SCIENCE IN THE NEWS - Acne, Eczema and More: Scratching the

SCIENCE IN THE NEWS - Acne, Eczema and More: Scratching the Surface on the Rough Life of Skin By Caty Weaver Broadcast: Tuesday, November 29, 2005 (MUSIC) VOICE ONE: I'm Sarah Long with Bob Doughty, a

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发表于:2019-01-03 / 阅读(100) / 评论(0)

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电影歌曲:IRIS《天使之城》原声~对爱情永不放弃

IRIS《天使之城》原声~对爱情永不放弃 - 即便万物毁灭我只要你知道我是谁演唱者：Goo Goo Dolls 电影《天使之城》（City of Angels/X情人/天使之城）的原声音乐. 堕落成凡人的天使Seth，大雨天，在

发表于:2019-01-03 / 阅读(78) / 评论(0)

电影歌曲

SSS 2009-09-16

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

发表于:2019-01-08 / 阅读(83) / 评论(0)

Scientific American(九)月

SSS 2011-02-14

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

发表于:2019-01-08 / 阅读(76) / 评论(0)

Scientific American(二)月

英语听力：自然百科为何婴儿大多拥有蓝色眼睛？

Hi, its Kasey-Dee Gardner for Why? Tell Me Why? This week we received a question about baby eye color. The question was why are most babies born with blue eyes?. And I wasnt sure that was a true statement, but it is in fact a true statement. Actually

发表于:2019-01-09 / 阅读(69) / 评论(0)

自然百科2009年

Skin Disorders

Broadcast: May 6, 2003 By Caty Weaver VOICE ONE: I'm Sarah Long with Bob Doughty, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: Today, we talk about some disorders of th

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VOA2003（上）-健康资讯

VOA慢速英语 2007 0403b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Today, we will tell about some disorders of the skin, and ways to treat them. (MUSIC) VOICE ONE: Skin. It is the largest organ of the b

发表于:2019-01-11 / 阅读(106) / 评论(0)

VOA慢速英语2007年（四）月

pbs高端访谈:危险化学品六价铬污染美国饮水系统

JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human

发表于:2019-01-27 / 阅读(128) / 评论(0)

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音乐咖啡厅:Iris《天使之城》插曲

歌曲背景：电影City of angels（《天使之城》）中，天使Seth爱上了美丽的医生Maggie，为了能与她相守，Seth从高处跳下，成为了凡人。在医院里，护士看他满身是伤，惊奇不已： -- Where did you fall? -- I fallfall in love. Lyrics 《天使之城》女主角Meg Ryan Iris

发表于:2019-02-01 / 阅读(149) / 评论(0)

音乐咖啡厅

每天两餐西红柿永葆肌肤年轻

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

发表于:2019-02-06 / 阅读(75) / 评论(0)

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英语歌曲:Hilary Duff - Come Clean

Hilary Duff - Come Clean Come Clean Hilary Duff Let's go back Back to the beginning Back to when the earth, the sun, the stars all aligned 'Cause perfect didn't feel so perfect Trying to fit a square into a circle Was no life I defy Let the rain fall

发表于:2019-02-08 / 阅读(82) / 评论(0)

好听的英文歌曲

英语听力文摘 English Digest 151、当头发变白

Your teenage son wrecks the car. Your daughter shows up with her recently paroled boyfriend. These are the sorts of things that can make your hair turn gray overnight. Actually, it's impossible for hair to completely change color overnight. Hair colo

发表于:2019-02-16 / 阅读(73) / 评论(0)

英语听力文摘 English Digest

One in five Americans has hearing loss: study

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

发表于:2019-02-18 / 阅读(102) / 评论(0)

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生活中最令人沮丧的真相

Q: What is the saddest truth about life? 生活中令人沮丧的真相是什么？获得9.5k好评的答案@Dushyant Bhati Half the world's starving; the other half is trying to lose weight. 世界上有一半的人正在挨饿，另一半的人却在

发表于:2019-02-18 / 阅读(77) / 评论(0)

阅读空间

英语歌曲:布鲁斯 Boyz II Men - Iris

节奏布鲁斯:Boyz II Men - Iris 相关介绍：Boyz II Men成立于1988年，其四个成员Shawn Stockman(1972.9.26--)、Wanya Morris(1973.7.29--)、Nathan Morris(1971.6.18--)以及Micheal McMary(1972.12.16--)都是费城音乐学校（the Creat

发表于:2019-02-25 / 阅读(100) / 评论(0)

节奏布鲁斯

英语歌曲：天使之城忧伤插曲 Goo Goo Dolls - Iris

天使之城忧伤插曲：Goo Goo Dolls - Iris Iris是美国另类摇滚乐队Goo Goo Dolls的经典歌曲，同时也作为美国经典爱情影片《天使之城》中的插曲。Iris随着影片走红后，给乐队带来了无限生机，这首歌

发表于:2019-03-02 / 阅读(111) / 评论(0)

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