VOA慢速英语2015 一些被误读的青少年大脑发育状况

Understanding the Misunderstood Teenage Brain 一些被误读的青少年大脑发育状况 From VOA Learning English, this is the Health and Lifestyle Report. A woman named Frances Jensen is a neuroscientist. She has been studying the human brain fo

美国国家公共电台 NPR From Pez To Ticks, 'Atlas Obscura' Discovers 'Wonderfully Specific' Museums

ROBERT SIEGEL, HOST: There are museums, and then, there are wonderfully specific museums. We're talking about such institutions as the American Toby Jug Museum, the German Watering Can Museum and, of course, the U.S. National Tick Museum. All of thes

TED演讲:和老年痴呆症说再见(7)

Let's imagine that your amyloid plaques have reached that tipping point. 假设你的淀粉样斑块已经达到临界点。 Your scale arm has crashed to the floor. 你天平的一端已坠地。 You've tripped the cascade, setting fire to the fores

TED演讲:和老年痴呆症说再见(8)

How can this be? We think it's because these nuns had a high level of cognitive reserve, 这是怎么回事呢？我们认为这是因为这些修女拥有高级的认知储备， which is a way of saying that they had more functional synapses. 意味着

TED演讲:和老年痴呆症说再见(4)

So what happens when amyloid plaques accumulate to this tipping point? 所以当淀粉样斑块积累到临界点后会发生什么？ Our microglia janitor cells become hyper-activated, releasing chemicals that cause inflammation and cellular damage

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Symbiosis - a mutually beneficial inter-relationship between two organisms, for example between bees and flowers (pollen carrying in return for nectar). Sympathetic nerves - the sympathetic nervous sy

专业术语—口腔生理学术语M2(英文详解)

Microbiology - the study of the microscopic forms of life. Microfilaments - are the smallest filaments of the cytoskeleton. The filaments are made of hundreds of actin molecules, stacked in a line. Th

SSS 2008-07-03

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It took 13 years and countless hours of research to unravel the human genome. Now neuroscientists want to do their fields version. A small group of rese

VOA慢速英语2014 人工智能研究获大突破

AS IT IS 2014-08-18 A Big Step Forward in Artificial Intelligence Research 人工智能研究获大突破 The American computer company IBM says it has developed a microprocessor -- a computer chip -- that works much like the human brain. IBM calls t

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Think back to a really vivid memory. 回想一个生动的回忆。 Got it? Okay, now try to remember what you had for lunch three weeks ago. 想起来了吗？好的，现在想想你三周前午餐吃了什么。 That second memory probably isn't a

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Fear is whispered in our ears and shouted in our faces. Faith must be fostered by the man or woman you see every day in the mirror. The former forever snaps at our heels and our synapses and delays our course. The latter can spur our book heels to be

【英语时差8，16】自杀

In the United States someone attempts suicide every minute. In a single day roughly eighty Americans kill themselves. What compels so many people to end their lives prematurely? Countless elements factor into the fatal decision that leads to suicide.

幽默学习第十五期

For our 10th anniversary my wife and I vacationed in Hawaii, where we went snorkeling. After an hour in the water everyone got back on the boat, except for one beautiful young woman and me. As I conti

A book a day helps keep doctors away

BEIJING, May 11 (Xinhuanet) -- New retirees suddenly confronted with plenty of time on their hands might be happy to learn that reading keeps one mentally alert and abreast of current aff airs, says Ursula Lenz of Germany's working group of senior ci

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It seems like everyone is using Twitter these days. You know, sharing little messages with each other on phones and computers. It turns out that all these little messages, if you look at them all at once, become an easy way to find people, news and t

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According to Ric Edelman, author of Ordinary People, Extraordinary Wealth, the purpose of a rsum is not to get a job, it's to get an interviewyou will get the job. A rsum should not list all your skills, but rather tease the employer with your achiev

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The purpose of a letter of applicationis to help the applicant obtain the job he is interested in. It should state clearly what position the applicant wants, and should tell what his abilities are and what he has to offer. It should provide a quick,

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ETS所寻求的变化，在反义重复方面变化空间并不大，无非是把词汇变得难一些，因为对立二分的概念还是很容易分辨的。在同义重复方面，ETS的变化空间就要大得多，因为同样一个意思可以用

Chit chat 闲聊

Larry告诉李华他连续几天给他哥哥打电话，可是总也找不到他。 LH: Larry， 你那么急着找你哥哥，有要紧的事吗? LL: No, not really. I just want to chit chat. LH: Chit chat是什么意思啊? LL: To Chit Chat is to t

VOA慢速英语2019 研究发现抑郁症会加速大脑老化

Researchers Find Clues that Depression May Speed Brain Aging Memory and thinking skills naturally slow with age. Scientists are now looking inside living brains to tell if depression might speed aging. The scientists report that some of the signs the