布莱尔首相演讲:StrategicDirection

布莱尔首相演讲:StrategicDirection

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

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

专业术语—口腔生理学术语S4(英文详解)

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 2008 1022a

This is the VOA Special English Health Report. Autumn and winter are cold and flu season -- when people are most likely to catch the viruses that cause influenza and the common cold. Is the old advice true that dressing warmly will help prevent a co

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

TED演讲:记忆是怎么形成和消失的(1)

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

偶像励志英语演讲 第121期:直面恐惧(8)

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.

China-U.S. Economic and Strategic Dialogue open in Washingto

WASHINGTON, July 27 (Xinhua) -- The China-U.S. Strategic and Economic Dialogue (SED), the first of its kind between the world's biggest developing country and biggest developed country, opened here on Monday. On behalf of Chinese President Hu Jintao

Vitamin C and DNA

67 维生素C能否破坏DNA？ DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

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

地道美语听力播客:Allergic to Cats

When I was little, we had a family pet. His name was Jupiter and he was a kitten. I wanted a cat more than anything else and finally, my parents gave in and said that we could have one. We went to the pound and saw dozens of cats of different breeds.

经济学人274:法国想出口核反应堆,谁人将买?

French nuclear energy 法国核能 Under pressure 压力之下 France wants to export nuclear reactors. Who will buy them? 法国想出口核反应堆，谁人将买？ FOR France, nuclear power has long been a source of national pride. Its European

GRE填空和阅读题的同义词汇总

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

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