标签：genes 相关文章
Most people have two copies of a gene that enables them to detect a steroidal pheromone called androstenonewhich is found in male mammals, particularly porkers. But most pigs in developed countries have been chemically castrated. Which means much les
Scientific American(五)月
1. A tragic day in Pennsylvania Amish country. Police say a gunman killed at least 3 young girls in a schoolhouse . The suspect who police say killed himself reportedly told his wife he was seeking re
美联社新闻一分钟2006
With New Years resolutions the name of the game at the moment, weight loss is most likely on the minds of many. In fact, a YouGov poll taken in December 2014 showed that weight loss was by far the most common resolution, at 35% of all respondents; 20
实用英语
不知从何时起，在国外悄然兴起了一阵爸爸肚风，女人们不追求那些身材火爆的美少男，反而青睐那些大腹便便的中年男子。新研究发现，年长体胖的男性不但更讨女人喜欢，而且寿命更长，
实用英语
PEOPLE IN AMERICA - Barbara McClintock, 1902-1992: She Made Important Discoveries About Genes and Chromosomes She was the first American woman to win an unshared Nobel Prize. Transcript of radio broadcast: 03 May 2008 VOICE ONE: Im Doug Johnson. VOI
VOA慢速英语2008年（五）月
This is the VOA Special English Health Report. This year's Nobel Prize in medicine will go to three researchers who found a way to learn about the duties of individual genes. They discovered how to inactivate, or knock out, single genes in laborator
VOA慢速英语2007年（十）月
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: File photo of embryonic stem cells in a laboratory dish And I'm Pat Bodnar. This week, we will tell about efforts to make what appear to be embryonic stem cel
VOA慢速英语2007年（十二）月
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. VOICE TWO: And Im Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system the bodys na
VOA慢速英语2008年（二）月
How Did You Get so Intelligent? 你怎么那么聪明? You may have heard people say that hard work is more important than the intelligence you are born with. Recently, researchers noted changes in the brains of individuals immediately after they wer
2014年VOA慢速英语(九)月
Salmonella Turned Into Cancer Killing Super Bug 沙门氏菌已转化为杀死癌细胞的超级战士 From VOA Learning English, this is the Health and Lifestyle Report. Not many people consider a bacterium that makes millions of people sick a frien
2015年VOA慢速英语(五)月
UDY WOODRUFF: Finally tonight, to Mexico, and a personal look at the United States' neighbor to the south through the eyes of a journalist. MARGARET WARNER: Mexico is a country of riches and promise, now the second fastest-growing economy in Latin Am
PBS访谈社会系列
BEIJING, Oct. 28 (Xinhuanet) -- Taking aspirin everyday may lower the risk of developing colon cancer for people with the cancer-causing genes, researchers found. The finding was published on Friday in the British medical journal Lancet. The research
英语新闻
By Caty Weaver Broadcast: September 19, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists have identified the elephants that live on the island of Borneo in Malaysia
VOA2003（下）-环境与健康
1. It is one of natures great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants leaves are bathed in a sea of nitrogen gas.(3+)下述情形真可谓是自然界的一个莫大讽
GRE英语
Web user sysev7n was cleaning out her fathers photographs at their home in Chengdu when she spotted the old snaps. Compared to a series of photos taken on a recent family holiday, the woman noticed that her parents looked like they haven't aged a day
阅读空间
These foolish things / 这些愚蠢的玩意儿 Of course, love is about more than just genes. Cultural and social factors, and learning, play big roles. Who and how a person has loved in the past are
阅读空间
The Russian Olympic Committe says that most of the team will be allowed to take part in the Rio games. It confirmed that 271 have been cleared to compete, with five more waiting for final decision. Alex Capstick reports from Rio. The last-minute vett
中英双语新闻
Why? Why? is a question that parents ask me all the time. Why did my child develop autism? As a pediatrician, as a geneticist, as a researcher, we try and address that question. But autism is not a single condition. It's actually a spectrum of disord
英语语言学习
And most curiously of all, both have a sixth digit on their forepawsa kind of ancillarythumb derived from one of the bones of the wrist that helps them hold bamboo stalks for consumption. 最令人惊奇的是，它们的前爪上都长有第六指，是
经济学人科技系列
Science and technology 科学技术 Cell biology 细胞生物学 On your marks... 各就各位 The first cell race in history may further knowledge about how cancers spread 历史上的首次细胞赛跑，可能增进了解有关癌症如何扩散的知
经济学人科技系列