标签：Cloning Humans 相关文章
New Treatment Found for Ebola Fever 埃博拉出血热的新疗法 From VOA Learning English, this is Science in the News. Im Bob Doughty. And Im Faith Lapidus. Today we tell about Ebola hemorrhagic fever and a promising treatment for the disease. We
2013年VOA慢速英语(十)月
Elephants have had a rich history in Myanmar, the country also known as Burma. Throughout the countrys past, the animals have been used for everything, including transportation, agriculture and warfare. The white elephant was a symbol of power for th
2018年VOA慢速英语(三)月
AS IT IS 2015-12-28 A Look Back at 2015: The Year in Science and Technology 回顾2015年:科学和技术方面 Scientists and technology experts were busy in 2015. From fighting climate change, to space exploration and developing drones, here is a l
2015年VOA慢速英语(十二)月
No matter what anybody says, there's no telling how man came into existence. But some people insist that through evolution human beings came from apes. A recent incident seems to support such a sugges
赖世雄中级美国英语
(MB) You'll recall that in last week's class I talked about how the sound made by most animals, though sometimes complex, are different from human language. Only in humans do these sounds represent objects and events. Keep in mind that most animals
托福听力短文
Botany, the study of plants, occupies a peculiar position in the history of human knowledge. For many thousands of years it was the one field of awareness about which humans had anything more than the
新东方背诵文选
2003 考研英语长难句 1、Furthermore, humans have the ability to modify the environment in which they live, thus subjecting all other life forms to their own peculiar ideas and fancies. 【分析】复合句。句子主干是humans have the abi
考研英语长难句讲解
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to handedness, righties rule. And according to a new study, they have for a long time, because even half a million years ago, nine out of 10
Scientific American(四)月
This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Think humans are at the top of the food chain? Not quite, in parts of Africa. Lions have attacked over 1000 people in Tanzania in the last 20 years. Two thirds o
Scientific American(七)月
We know what people wore 5,000 years ago. Scientists studied material from a man who died 5,300 years ago. He was frozen under ice until 1991. They called him Otzi. Scientists studied him to understand how early humans lived. He gave useful informati
英语生活新闻
听力对照中英文本： Dialogue: JJ:Hey, Xiao Gao. What did you do this weekend? 京晶：嘿，小高，你这个周末都干嘛了？ XG:I bought some clothes for some monkeys. 小高：我啊，去给小猴子买了些衣服。 JJ:For some wh
英语PK台
Dialog JJ:Hey, Xiao Gao. What did you do this weekend? XG:I bought some clothes for some monkeys. JJ:For some what?! Did I just hear you say you bought some clothes for some monkeys? Like real monkeys? XG:Thats right! I have been watching some videos
英语PK台
There is a well-known expression that says a dog is a mans best friend. It is right, therefore, that there is a special day to celebrate dogs. This day is National Dog Day. It takes place on the 26th of August. On this day you should let your dog kno
世界节假日博览
There is a well-known expression that says a dog is a mans best friend. It is right, therefore, that there is a special day to celebrate dogs. This day is National Dog Day. It takes place on the 26th of August. On this day you should let your dog kno
英语课程学习计划和讲义
Archaeologyby Paul MillardArchaeology, like many academic words, comes from Greek and means, more or less, the study of old things. So, it is really a part of the study of history. However, most historians use paper evidence, such as letters, documen
英文杂志-Magazine
Prehistoric people may have hunted and killed other members of their own species and eaten them, but probably not for food. That is what a new study written by James Cole of the University of Brighton in England says. Cole says compared to large anim
2017年VOA慢速英语(四)月
Scientists who study primates say that we are moving towards a time when species like gorillas will no longer be found in the wild . They say Orangutans would be gone too. And Madagascar would lose its lemurs. Jo Setchell is a primatologist at Durham
2017年VOA慢速英语(三)月
This is Scientific American's 60-Second Science. I'm Christie Nicholson. Got a minute? We know someone is in pain just by looking at their face. Winced eyes, grimacing smile. I mean we recognize it immediately. But can we see pain in non-human faces?
Scientific American(五)月
Food is the body's fuel. Now a study finds that the amount of energy in that fuel can depend not just on its calorie contentbut on how it's prepared. And the research, published in the Proceedings of the National Academy of Sciences, could explain an
Scientific American(十一)月
Biologists say that as apes evolved into humans, their faces took on fighting features such as thicker jaws and foreheads. 生物学家们认为，当类人猿进化成人类时，为了适应打斗，他们的下颌和额头变得更厚实。 The ch
轻松英语