单词:average gene substitution time
单词:average gene substitution time 相关文章
STEVE INSKEEP, HOST: Now we have a story about the power of science to heal. For decades scientists have been dreaming about curing diseases with gene therapy. Those dreams have not become reality, but there's growing excitement now. NPR health corre
Picture a gamer, someone who spends countless hours immersed in one of those online role-playing alternate realities. And what do you see? Is it a physically fit female closer to 40 than 14? If not, you may need to rethink your assumptions about geek
This is the VOA Special English Health Report. The next time you think about going without sleep, consider this: Laboratory animals that are kept awake for long periods of time ... die. Yet sleep scientist Ying-Hui Fu at the University of California
文本节选 Iam a dwarf. God made me this way. Im little, just like He made you have brownhair and blue eyes. Basedon birth records, its estimated that there are at least 15,000 people withdwarfism in the United States. And there are more than 200 d
我们之前一直说和老外聊天的时候有一个很禁忌很私人的问题,那就是你不能问老外你赚多少钱? 有人说美国农民都赚的比中国白领多;有人说美国经济垮啦每个人都欠了一屁股债。那美国人
Scientists in Oregon successfully fixed a disease-carrying gene in human embryos. It was the first time this has been done. This small effort could be a big step in preventing inherited, or gene-related diseases. A research team at Oregon Health Scie
By Robert Raffaele Washington 29 April 2008 For the first time, scientists have used gene therapy to dramatically improve sight in people with a rare, inherited form ofblindness. Researchers in Philadelphia and London are calling the results a milest
RACHEL MARTIN, HOST: This next story is about a line of cancer research that could potentially help a huge number of people, people like Michael Robertson. MICHAEL ROBERTSON: I'd been having unidentified symptoms for a few months, but it was during a
Todd: So, Rebecca, how would you describe the average Australian? Like if you had to stereotype an Australian, what would you say? Rebecca: I suppose a stereotypical Australian would be in board shorts, thongs, as in flip-flops, and outside, having a
In the collective imagination, there are two Europes: the industrious north, with relatively low unemployment and dynamic economies, and the sluggish south, where people would just as soon kick back, sip an espresso and watch the world go by. Many pe
Taxes on wage income vary heavily around the world. 世界各地的工资税率大不相同。 The OECD recently published a report comparing the tax burden on wages in the world's developed economies. One of the main measures the OECD used in the re
The typical first-time bride is now 30-years-old when she walks down the aisle, according to UK's national statistics. They also show that the number of marriages is at its lowest level since 1895. 英国国家数据显示,如今大部分头婚新娘
Want to know how to improve you You grades without having to spend more time studying? Sounding too good to be true? Well, read on How To Improve You Study Habits Perhaps you are an average student with average intelligence. You do well enough in sch
模仿文本: The Mona Lisa is gazed at by an average of 6 million people a year. Now scientists think they may have found the final resting place of Leonardo da Vinci's muse for the picture, and they want to open her grave to carry out DNA tests.
While some 13 million Americans are out of work these days, those still with jobs might have a strange new thing to worry about--getting a promotion can be bad for you, a new study suggests。 虽然大约有1300万的美国人现在没有工作,不过
When youre trying to lose weight, it can sometimes feel like youve gone years without indulging in a piece of cake or a takeaway. 你试图减肥,感觉好像你好几年都没好好吃块蛋糕、好好享受外卖了。 And youre not altogether w
1、封建社会代替奴隶社会,资本主义社会代替封建社会,社会主义经历一个长过程发展后必定代替资本主义社会。 Feudal society replaced slave society, capitalism supplantedfeudalism, and after a long time, soci
These are roughly 28,835 Jelly Beans. I counted out five hundred of them, 这些大约是28,835颗雷根糖。我数出其中五百颗, and used those to weigh the rest. In this pile, there's one Jelly Bean for each day that the average American wi
You might think that just one cigarette 'can't hurt'. But it could in fact cost a smoker almost 14 minutes of their life, according to new calculations. A new website has worked out how much time a smoker, alcoholic or a drug addict will lose, each t