单词:natural killer cells
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SCIENCE IN THE NEWS - Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move
New Vaccine Research Aimed at Cattle Killer 新疫苗研究意在对付牧牛杀手 New research is underway to develop an advanced vaccine against East Coast fever a parasitic disease that killed more than one-million cattle in Africa last year. Res
参加顶级科学竞赛的美国高中生 WASHINGTON Some of the brightest high school students in the United States showcased their ground-breaking math and science research at the annual Intel Science Talent Search. Forty high school seniors, who
Virginia State authorities and agents from five federal law enforcement organizations raided the Leesburg, Virginia headquarters of independent presidential candidate, Lyndon LaRouche, this morning. NPR's Frank Browning reports. Three key members of
World Cancer Day falls on February the 4th each year. It aims to draw attention to the effect cancer has on the lives of millions around the world. Around 7 million people die each year from the different types of cancer. Eleven million new cases are
Task3: A Drunkards Argument Script Heres drunkards argument in favor of heavy drinking. We would learn more about human bihavior if we paid closer attention to the laws at work in the animal kingdom. Only the fittest survive is a law that is apparent
In Vitro - experiments which are carried out in a laboratory as distinct from in vivo experiments In Vivo -experiments which are carried out in live animals as distinct from in vitro experiments Immun
Insulin - an endochrine hormone produced in the spleen which controls the amount of sugar in the blood by a) transporting it into cells and promoting glycolysis b) converting it into glycogen for stor
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often truehigher temperatur
I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often true - higher temperatures can inhibit the bad guys' ability to replicate. But my fever may actually be a one-tw
Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tel
Blood Cancer Therapy Is Last Chance for Some An experimental therapy uses a persons weak immune system to fight deadly blood cancers. Stanley Riddell is a researcher at the Fred Hutchinson Cancer Research Center in the U.S. state of Washington. He an
There's been lots of research over the years concluding that physically active people are less likely to have serious conditions, such as heart disease. Now, a new study indicates that those who engage in frequent aerobic exercise are also less likel
'Serial Killer' Cells Demolish Leukemia Tumors U.S. researchers say they've been able to modify a patient's immune system T cells, turning them into serial killer cells which zero in on cancer and obliterate it. Its being called a breakthrough in the
Governments, Competitors Cooperate to Produce Ebola Vaccine 竞争者合作开发埃博拉疫苗 The worst Ebola outbreak in history is in its second year, and scientists around the world are working to develop a vaccine against the virus. Since Dece
Imagine that you are a product designer. 把自己想象成一个产品设计师。 And you've designed a product, a new type of product, called the human immune system. 你设计了一种产品,一种叫做人体免疫机制的新产品 You're pit
From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tell about efforts to develop an experimental g
Finding could lead to more effective, longer-lasting pain treatment Faith Lapidus | Washington, DC 07 June 2010 Researchers are closer to unlocking the mysteries of acupuncture, learning more about why the ancient Chinese needle treatment eases pain.
The Miracle Teabag Doctors have used a revolutionary stem cell treatment to restore the power of speech for a stroke victim. Walter Bast also regained the use of his right arm after the operation to place a 'teabag' of drug-producing stem cells in hi
What a life in the theater has taught me is, to trust one's instincts. And that takes courage. 语音讲解 单词发音 theater n.电影院,戏院,剧场;戏剧;手术室 instincts n.(生物)本能 courage n.勇气;胆量 连词发音 what