标签：Cells 相关文章
[00:00.44]And by the weekend he was due back 在安迪出院前一周 [00:02.36]we had enough rocks saved up to keep him busy till rapture. 石头多的够他刻一辈子 [00:05.52]Also got a big shipment in that week. 同时到了一大批货 [00:09
听电影学英语-肖申克的救赎
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When there is a powe
新东方背诵文选
After a summit at the White House today between top congressional leaders, the president and both presidential candidates as well, a proposed 700-billion-dollar financial bailout deal now appears to be in some flux. NPR's Debbie Elliott has more. Co
2008年NPR美国国家公共电台九月
This is SCIENCE IN THE NEWS in VOA Special English. Im Barbara Klein. And Im Steve Ember. Today we talk about hair. We will tell what hair is, how it grows, and some of the main reasons people lose it. Hair has always been an important sign of beauty
英语语言学习
Researchers Use Brain Cells to Control Aging in Mice It is a question people have been asking forwell-- ages. Is there a way to turn back the aging process in people? For centuries, people have been looking for a fountain of youth. The idea is that i
2017年VOA慢速英语(八)月
AS IT IS 2013-09-02 Fighting Malaria, Brain Cancer and TB 防治疟疾，脑癌和肺结核 Welcome to As It Is, from VOA Learning English. Im Christopher Cruise. Today, well report the latest news in the fight against three deadly enemies: malaria,
2013年VOA慢速英语(九)月
Scientists Come Closer to Creating Laboratory Embryos An international team of scientists says it has moved a step closer to creating artificial embryos. The team used stem cells from mice. Stem cells are simple cells that can develop into other kind
2018年VOA慢速英语(八)月
Jackie: Hello welcome to Entertainment! I'm Jackie Dalton. If you're someone who is quite careful about what you eat and likes to be healthy, then you might want to find out about what's being hailed as the latest super food. A 'super food' is a ter
Entertainment
The London Olympics are about to begin, and spectators will again be riveted by feats that would have been impossible when the modern Olympics began in 1894. Jaw-dropping records are attainable in part because of the advances in materials science. Ne
Scientific American(七)月
The London Olympics are about to begin,and spectator will again be revited by feats that would've been imposibily when the modern Olympics began in 1986. Jaw-dropping records are attainable in part because of advances in material science. New materia
Scientific American(七)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For decades, scientists have used an imaging technique called functional magnetic resonance imaging, or fMRI, to chronicle the brain in action. But a stu
Scientific American(一)月
I will never forget that Tuesday afternoon in the doctor's office. I had been feeling sick for a long time and my mum had taken me to hospital to have me examined. Two weeks ago, Dr Richards asked me a great many questions and took samples of my bloo
人教高中英语高二
Task3: The First Cloned Cat Script In the age-old battle of cats and dogs, score one for the cats. Researchers at Texas AM University recently announced that they have successfully cloned a cat name Rainbowthe first pet ever clonedafter several years
新视野大学英语：视听说教程 4
After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog
60秒科学
Broadcast: February 26, 2003 By Jerilyn Watson This is Bill White the VOA Special English Health Report. Most children who die of cancer are in developing nations. British researchers say only ten per
VOA2003（上）-健康资讯
One of the most common questions cancer patients ask their doctors is: has the disease been contained or will it spread. A recent study by U.S. and Chinese researchers may help provide clues. The scientists examined genetic（遗传的,基因的） m
英语新闻
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
But those are dots on a screen for you; what exactly does that mean? 但是那些你们看起来是屏幕上的点；到底有什么意义呢？ Well basically that means that this protein is changing from the sensitive cell to the resistant cell. 基本
TED演讲教育篇
Science and technology 科学技术 The 2012 Nobel prizes 诺贝尔生理学奖 Good eggs 再生医学界的大好人 THIS year's Nobel physiology prize goes to Sir John Gurdon and Shinya Yamanaka for a crucial discovery in stem-cell science?how to m
经济学人科技系列
本期内容： Solar Impulse, a solar-powered plane, completed the longest, transpacific leg of its round-the-world journey. The 72-metre-wide craft, powered by 17,000 photovoltaic cells on its wings and fuselage, has broken several solo- and long-f
夏说英语新闻晨读