环球英语 05 Trusting Your Memory

Voice 1 Thank you for joining us for Spotlight. Im David Bast. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 How good is your m

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

彭蒙惠英语：New Hope for Spinal Cord Injuries

New Hope for Spinal Cord Injuries By Patricia Anstett / 2005, Detroit Free Press , Knight Ridder Newspapers. Distributed by Tribune Media Services. A world of patients with spinal cord injuries is wat

SSS 2010-02-26

Bring home a bucket of fried chicken and you may find that people have strong feelings about which part of the bird is best. Well, scientists at Washington University in St. Louis say the answer is: the eyes. At least when you compare them to our own

有声英文阅读-激光手术，大饱“眼福”

For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for c

专业术语—口腔生理学术语C2(英文详解)

Cemento-enamel junction- the junction between the enamel covering the crown of the tooth and the cementum covering its root. Often referred to as the CEJ. Cementoblasts - cells of mesenchyme origin, i

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N(英文详解)

Nerve growth factor- a cytokine that promotes the growth and repair of sensory nerves and maintenance of sympathetic nerves. Neural crest cells - cells derived from the ectoderm layer in the embryo. T

SSS 2010-07-20

A couple of studies on perception. First, theres now visual data to back up the idea that everything looks kinda gray when you feel blue. Researchers examined how the retina responds to different black-and-white contrast situations. They did the test

Eye Test May Reveal Parkinson’s Disease Earlier

Eye Test May Reveal Parkinsons Disease Earlier Parkinson's disease is usually discovered too late in patients for effective treatment. But now there's a new eye test that could diagnose the devastating condition much earlier. The degenerative conditi

TED演讲:昔日纽约(2)

Is it simply the byproduct of a crude mechanical action? 它仅仅是一个粗糙机械制作的副产品？ Or is it an imitation of one half the set of sounds we make to express disappointment? 或者对我们抒发不满的一种声音的一半所进

【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.

双语有声阅读:激光手术，大饱“眼福”

激光手术，大饱眼福 For many of us, walking in the rain can be a pleasant and even soothing experience. For those of us who wear glasses, though, drops of water on the lenses and obscured vision can have us running for cover. Interested in re

肥胖有损大脑,运动修复智力

Obesity may have harmful effects on the brain, and exercise may counteract many of those negative effects, according to sophisticated new neurological experiments with mice, even when the animals do not lose much weight. While it's impossible to know

医学病症词典二

amyotrophia Chinese肌萎缩 amyotrophic lateral sclerosis Chinese肌萎缩性侧束硬化症 anaerobic Chinese厌氧的 anal reflex Chinese肛门反射 analgesia Chinese痛觉缺失 anencephalyChinese 无脑 anesthesia dolorosa Chinese痛性感觉缺失 anesthesia Chinese感觉缺失

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

【英语时差8,16】隐形眼镜的工作原理

Like glasses, contact lenses work by bending light rays just the right amount to make the object come into focus on the retina at the back of the eye. Sometimes the eyes natural lens has an imperfection or may not be shaped properly, which can make y

【英语时差8，16】隐形人同样无法看到你

At some point in our childhoods it dawns on us how incredibly great it would be to turn invisible. Just imagine all the places you could sneak into! Think of all the things you'd get to see! Well, nobody knows yet how to make a person invisible. But

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