英语听力短文09 A Walk on the Brooklyn Bridge (4)

The man looked at John. Sit, sit, he repeated. John smiled. He waved goodbye to the man. Maybe I should buy a few drawings on my way back, he thought. Maybe that old man will be famous some day. Maybe my drawings will be worth millions. He could see

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

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

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Beginners. I took a trip to Seattle last week for an appointment, and to do some shopping. I had arranged for my mother to pick up my kids from school, and stay with them until my husband got home from work. So, I was free for the day. Luckily, we ha

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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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1. The FBI is calling a terrorist threat on New York City

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The Best Valentine Gifts for Your Girlfriend 给女朋友最好的情人节礼物 Whether or not you take Valentine's Day seriously, chances are your girlfriend does. If you want to find her something special for this holiday, think about sentimental

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菲姬（Fergie、Stacy Ann Ferguson）是当红团体黑眼豆豆的女主唱。2005年她的专辑《Monkey Business》声势看涨，总计抱回2座格莱美奖、2座MTV音乐录像带大奖、2座MTV欧洲音乐奖、全美音乐奖、灵魂列车

VOA慢速英语 2007 0116b

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Today we tell about Alzheimer's disease. One century after its discovery, the cause of the disease is still unknown. (MUSIC) VOICE ONE:

TED演讲:和老年痴呆症说再见(3)

How many people here are 40 years old or older? You're afraid to admit it now. 在座的有多少人已经四十多岁了？你不想承认了吗？ This initial step into the disease, this presence of amyloid plaques accumulating, can already be fou

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2006年VOA标准英语-Putin Denounces Racism at Victory Day Para

By Bill Gasperini Moscow 09 May 2006 President Vladimir Putin used the occasion of Russia's World War II Victory Day holiday to warn extremists that ethnic hatred will not be tolerated in Russia. ----

越吃越聪明的6种食物

6 Things to Eat Today for a Smarter Brain TomorrowFood for thoughtas well as memory, spatial perception, verbal skills, and more. First, the not-so-good news in neuroscience: According to a recent study, cognitive decline may set in as early as age 4

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A new imaging agent that homes in on the gummy plaques and tangles that jam up the brains of Alzheimer patients has allowed doctors to see the disease in a living person for the first time，researchers said Wednesday．The mind－robbing disease，w

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

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How to Avoid Getting Stuck in the Past

Do you have a trophy room? This is a place where you keep your various trophies , certificates, award plaques, autographed trinkets and other things that remind you of past accomplishments. This could be a fireplace mantle, space on a bookshelf, a do