单词：Streptococcus pyogenes longus
单词：Streptococcus pyogenes longus 相关文章
It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善，因为利润会分散生物技术研究公司的注意力， but it's basically got a 90 percent chance, I think, of succeeding in this. 但我
TED演讲科学篇
This is Scientific Americans' 60-Second Science.I'm Karen Hopkin .This will just take a minute. When you hear things like, human DNA differs from chimp DNA by only a couple percent. You cant help but wonder. How can that be? How can so few changes ma
Scientific American(一)月
You cant judge a book by its cover. But you can judge a dog by its coat. You can even read right through to its genes. Because a study in the August 27th online issue of Science shows that just three key genes govern the length and texture of dog fur
Scientific American(八)月
Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove
Scientific American(八)月
SHARON:Smon,how long have you lived in Boston? [00:13.80]SIMON:Two and a half years. [00:16.68]SHARON:Are you enjoying it? [00:18.77]SIMON:Absolutely.Boston's so small and charming and manageable after London. [00:24.55]2 SHARON:It's a big city to me
直捷英语
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Why bother with sex? Its a question thats bugged biologists since they first noticed that some critters do it and some dont. The answer theyve come up wi
Scientific American(十一)月
This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec
Scientific American(二)月
If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i
Scientific American(十)月
A study looks at mutations that seem to play a part in extending longevity, while limiting growth. Transcript of radio broadcast: 10 June 2008 This is the VOA Special English Health Report. Five women in Rolla, Missouri, all at least 100 years old S
VOA慢速英语2008年（六）月
Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of
英语杂谈
Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy
60秒科学
Researchers at Boston University have identified a kind of genetic signature in people who are likely to live to age 100 or older. The technique may also help doctors predict whether you're likely to get a disease, decades before the symptoms show up
VOA标准英语2010年(七)月
Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟
经济学人科技系列
It has long been said that a man with a good sense of humour can laugh a woman in to bed, despite his looks. Now researchers believe the opposite may also be true - that we also find attractive members of the opposite sex more amusing. Psychologists
英语阅读理解
Something called the Danish Twin Study 一个叫丹麦双胞胎的研究表明， established that only about 10 percent 普通人在生物学允许的限度内的寿命， of how long the average person lives, 仅仅有百分之十 within certain bi
TED演讲科学篇
Thank you, Cynthia. 谢谢，辛西娅 Let me get this straight. 让我直说 Although you're looking for a drug 尽管你在找寻一种药 that can solve aging 它能解决 in old men like me, 像我一样老人的衰老问题 what you could do now
TED演讲科学篇
Have you ever wanted to stay young a little longer 大家有没有想过要年轻再久一点 and put off aging? 延缓衰老呢？ This is a dream of the ages. 这是很久以来的梦想了 But scientists have for a long time 不过科学家以前一
TED演讲科学篇
Transporter of delight 传递快乐的使者 Happiness is in your DNA; and different races may have different propensities for it 基因决定幸福；而不同种族的幸福倾向不尽相同 Born smiling? 天生会笑？ THE idea that the human pe
经济学人综合