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TED演讲:和老年痴呆症说再见(6)

What about sleep? In slow-wave deep sleep, our glial cells rinse cerebral spinal fluid throughout our brains, 关于睡眠呢？在慢波深度睡眠时，我们的神经胶质细胞冲洗着我们大脑中的脑脊液， clearing away metabolic wast

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

TED演讲:和老年痴呆症说再见(5)

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题，这一好消息确实振奋人心， because it turns out that the way we live can influence the accumulation of amyloi

SSS 2011-06-22

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

SSS 2010-03-23

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

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The Tertiary Education Commission (the TEC) announced the funding for polytechs and universities for the next 3 years. The TEC is the government organisation responsible for tertiary institutions like polytechs and universities so this is government

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M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi

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SSS 2009-03-02

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

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By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

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South Africa University Students Ponder Future At the end of last year, about 350,000 Grade 12 students in South Africa passed their final exams. While some celebrated, others pondered their next move. In reality, a very small group of those who had

VOA标准英语2011-Dementia Screening May be Possible with B

New research suggests a relatively simple blood test might make it possible to predict who is at a higher risk for developing dementia. The most common form of dementia is Alzheimer's Disease, and currently, it can only be definitively diagnosed in a

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Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

经济学人69:外因遗传与压力 新生儿蓝调曲

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

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Because the British were the most active in the early years, British names are predominant in the geological lexicon. Devonian is of course from the English county of Devon. Cambrian comes from the Roman name for Wales, while Ordovician and Silurian

VOA标准英语2013--生物钟提供衰老的线索

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等外品 off-grade goods, rejects 邓小平外交思想 Deng Xiaoping's diplomatic thoughts 低调 low keyed (a metaphor for taking a cautious and slow approach) 第三产业 third/tertiary industry,

TED演讲:和老年痴呆症说再见(2)

Let's begin by looking at what we currently understand about the neuroscience of Alzheimer's. 让我们先看看目前神经学上对老年痴呆的了解。 Here's a picture of two neurons connecting. 这是一张两个神经元连接的图。 The p

英语听书《白鲸记》第873期

They keep a Whale's Rib of an incredible length for a Miracle, 庙里把一根长得叫人不能置信的肋骨保存在那里， which lying upon the Ground with its convex part uppermost, makes an Arch, the Head of which cannot be reached by a Man