标签：现象 相关文章
Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen
基因外遗传现象
After we had seen how relatively easy it was to change the switches in mouse embryos, we thought that perhaps the same could be true of human embryos. In IVF, you also have the embryo for a brief peri
基因外遗传现象
If inheritance was not just about DNA, if these gene switches were so important, just what could turn them on or off? Stephanie and Emend Mullins have two children, Karen and Charlotte. When we were t
基因外遗传现象
...lead to the end of diseases like cancer... Alzheimer's , Parkinson's , diabetes. The list is endless. We were thinking of genes in a very mechanical way. We were thinking of them just in terms of t
基因外遗传现象
Named after Henry Angelman, the pediatrician who first described Angelman syndrome. He referred to them as happy puppet children because it described, to some extent, the features. They have a rather
基因外遗传现象
Sherri: Thank you for explaining for what black men go through. But I think you know, when you talking about men are intimidated by women, you do go through that. And a lot of times we have willingness to stick that out with you, but it seems like ma
访谈录2010
A lot of times, we need men who are our own, that their love are our own, and whoever see this, you know,who fed up bill, and we find that,uh, they don't want somebody at our age, they're going for younger women or they're not own for a black women,
访谈录2010
Our black women standards too high. You have been told that women should just shut up and kick it. Shut up and kick it. What does that mean? Well its just like you know my man hes out there cheating but he does come home. Baby shut up and kick it. Yo
访谈录2010
-Hello, Atlanta, and welcome to the Nightline Face-off. Tonight we are going to find out why a successful black woman cant find a man? That's a topic that we talk about amongst ourselves. The guys talk about it with their fellows and the ladies are t
访谈录2010
Olov Bygren was looking to see if poor nutrition had an effect on health when he stumbled on something curious. It appeared that a famine could affect people almost 100 years later even if they never
基因外遗传现象
The email was sent by Olov Bygren. He was studying the population records of an obscure town in northern Sweden, Overkalix. What made these records unique was their detail. They recorded births and de
基因外遗传现象
Our studies had really convinced me that it were the later experiences of the child as the child was growing up bombarded with years and years of, em, symptoms from the parents that accounted for the
基因外遗传现象
But could this effect be transmitted to their offspring? They found nearly 200 women of whom a number had actually been in the Twin Towers. About half of them developed post-traumatic stress disorder.
基因外遗传现象
They discovered that when a famine was able to trigger an effect was different for the grandmother than the grandfather. The grandmother appeared susceptible while she herself was still in the womb, w
基因外遗传现象
The work of these scientists is at last throwing a spotlight onto the mysterious hidden world of epigenetics. They appear to show that the lives of our ancestors have a capacity to affect us directly.
基因外遗传现象
Transparency International Says Construction Most Vulnerable To Corruption “透明国际”指出建筑业容易出现贪污现象 A new report says construction , more than any other segment of a n
VOA2005（上）--全球经济要闻
中国人学英语最大的障碍学外语的误区1-自行车现象，不是口语的障碍，不是听力的障碍，不是环境的障碍，而是心理的障碍。传统的英语教学把一代又一
英语学习方法
台湾籍旅美老师今天交给我们的句子是： But it turns out high birth rates and the population explosion are not permanent features of some cultures or countries. But rather a part of a four-step process the whole world is going through,
留美老师带你每日说英文
Climatologists are warning that an El Nino weather pattern, which can spark severe floods, forest fires and droughts, could develop in the coming weeks across the Asia-Pacific region. 气候学家警告说，足以引发严重洪灾、森林大火和干
VOA双语新闻 2009年6月
下面是2014年英语四级作文范文：西方节日流行现象，希望考生了解四级范文的写作思路，增强自己的写作实力。 作文话题： 1、中国传统节日受到冷遇，西方节日却日益升温;2、形成这种现象
四六级写作指导