英语听力文摘 English Digest 186、猫与色彩

Cats And Colors 人类能够很容易的分辨出不同的颜色。那么猫呢？虽然猫的视力很好，即使在非常昏暗的光线条件下也能看见，但它对于如何分辨不同的颜色似乎并不擅长。 Cats and Colors on this mo

英语听力文摘 English Digest 185、白兰地是这样酿成的

Brandy From Wine： How Alcohol Is Turned Into Brandy? 白兰地酿造工艺精湛，特别讲究陈酿时间与勾兑的技艺，其中陈酿时间的长短更是衡量白兰地酒质优劣的重要标准。干邑地区各厂家贮藏在橡木桶中的

英语听力文摘 English Digest 184、我们如何知道地球在转？

Before Satellite Images, Howd We Know Earth Turned Every 24 Hrs? 在我们有卫星行片以前，我们是如何知道地球一天二十四小时都在转动呢？去听听科学家的说法吧。 The earth turns on its axis every 24 hours or so wer

英语听力文摘 English Digest 183、美丽的爱巢

Nice Nest 雄孔雀开屏是为了向人类炫耀她无与伦比的美丽尾巴？呵呵，似乎我们有点自作多情了，雄孔雀可没有兴趣理睬人类，他不过是在向自己的意中人表达爱意。现在研究人员发现，雄性刺

英语听力文摘 English Digest 182、“岩屑”法则

The Lithic Principle 我们生活的星球上自然法则是亘古不变的吗？我们人类是不是自我感觉太过于良好？ Time again for the mailbox.Let's see.Here:A Moment Of Science,I heard recently that if the laws of nature were change

英语听力文摘 English Digest 187、驯化狐狸

Dmitry Belyaev, Foxes, And Domestication 你与猫或狗玩耍过吗？在远古，狗对我们的祖先来说还是一种比较危险的动物呢。那么，现在为什么它们这么听话？我们的祖先又是如何驯化它们的呢？今天，就

英语听力文摘 English Digest 174、费尔米悖论

Weve recently been talking about the Fermi Paradox, attributed to Nobel-winning physicist Enrico Fermi. According to reasonable estimates of how many stars have planets, how many planets may be suitable for the evolution of organisms, and so on, our

英语听力文摘 English Digest 181、蛇的视力

Snake Vision 即使在晚上，蛇也能凭借它超常的视力抓到食物。究竟为什么，听听就知道了。 Time for True or False.We 'A Moment of Science' gives you a scientific claim that you may have never heard before and then tells yo

英语听力文摘 English Digest 180、流感与强壮的心脏

Flu Shot Through the Heart 一定恨透了流感吧？头疼脑热，四肢无力，涕泪四流但你是否知道偶尔患患流感能降低罹患心脏病与中风的危险呢？让我们一起来听听研究人员的新发现吧。 Researchers con

英语听力文摘 English Digest 179、偶尔的“山顶洞人”

Sometime Cavemen 我们的祖先是否一直生活在一个地方呢？山顶洞人就一直生活在山洞里吗？ From the bestselling novel Clan of the Cave Bear to the 1981 movie Caveman, pop-culture tends to misrepresent prehistoric people as c

英语听力文摘 English Digest 178、蝴蝶战役

Flutter Battle 你喜欢蝴蝶吗？你了解蝴蝶吗？有的人认为蝴蝶是非常绅士的物种，让我们一起去了解真实的情况吧。 'Flutter Battle' on today's A Moment Of Science. One thinks of nature as red in tooth and claw, as

英语听力文摘 English Digest 177、保护牙齿

Getting Rid Of Cavities 牙痛是继续忍受还是提前做好防护?爱护牙齿，每天的必修课。 M:Sorry,I'm late.I was brushing my teeth. W:Brushing your teeth?Right before 'A Moment Of Science'? Why? M:I'm trying to get rid of a cavity. W

英语听力文摘 English Digest 176、大气层摩擦热

Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗？来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe

英语听力文摘 English Digest 175、药物与学习能力

When you experience something new, do you know what happens to your brain? Some of the neurons in your brain build new connections. The brain is rewired, as scientists often put it. Our brains are always changing, in response to new experiences or as

英语听力文摘 English Digest 173、如鱼得水

D: OK, Yael, you want to build an aquatic robot,and you're trying to figure out the most efficient way to move it through water, what do you do? Y: I am guessing the answer isn't to build a robot using a lot of root-force to move forward? D: Anyone w

英语听力文摘 English Digest 172、眼睛间谍

Eye spy, on this moment of science. You see at a movie's, someone is asked for identification, instead of producing a badge or picture, they simply look into a camera. Hollywood special effect department then show us lots of needle computer graphics.

英语听力文摘 English Digest 171、喝酒暖身？不过是错觉

Contrary to popular belief, alcohol does not make you warmer. It may give you the feeling that youre getting warmer, but thats just an illusion: really, alcohol makes you more susceptible to the cold. In cold weather, the body reacts by routing blood

英语听力文摘 English Digest 169、What are fungi, plants or animals?

Well, mushrooms are merely one of many types of fungi. Not all fungi grow in soil. However, mushrooms and other fungi do resemble plants in many ways, so much so that scientists long classified fungi plants, but they know better now. Eating Habits Wh

英语听力文摘 English Digest 168、大孩子，小孩子

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

英语听力文摘 English Digest 167、Don’t Try This at Home!

Dont Try This at Home! Heres a hypothetical scenario that is to remain hypothetical. In other words, dont do this. Okay. Youre cruising along a desert highway in your souped-up roadster, leaving the roadrunners in the dust. Unfortunately, you are not