标签：Cloning Humans 相关文章
Lee Berger has spent his professional life searching for evidence of mankind's past. He is a paleo-anthropologist who with some help from National Geographic has been studying and searching for the fossil remains of our ancestors for nearly 20 years.
自然百科2008年
The Dover Area School District in Pennsylvania is being sued by a group of parents after it added intelligent design to the curriculum presented to high school biology students. Intelligent design, the parents argue, is false science. It is simply a
原版英文小故事
Broadcast: Feb 17, 2003 By Jill Moss This the VOA Special English Development Report. Researchers have discovered a successful new treatment to fight lymphatic filariasis around the world. This diseas
VOA2003（上）-健康资讯
AS IT IS 2013-10-28 Chimpanzees May Recognize Emotions in Others 黑猩猩能识别其他生物的情绪 Hello there, and welcome to As It Is from VOA Learning English! Im Christopher Cruise in Washington. Today we have news -- a lot of news -- about
2013年VOA慢速英语(十)月
Physicist Stephen Hawking said people should return to the Moon and go to Mars because leaving Earth may be the only way to save humanity. Hawking said that as Earth faces climate change and pressure on natural resources, human beings need to reach b
2017年VOA慢速英语(七)月
AS IT IS 2014-07-28 UN Agency Warns of Link Between Ebola and Bats 联合国机构警告埃博拉病毒与蝙蝠之间的联系 The United Nations Food and Agriculture Organization is warning people in West African countries about a link between eati
2014年VOA慢速英语(七)月
Zoo Animals Show Their Artistic Sides 动物园动物展出自己的艺术作品 The pursuit of happiness is so important, America's founding fathers put it in the Declaration of Independence. Any zookeeper will tell you animals need enrichment, just
VOA标准英语2015年(一月)
SCOTT SIMON, HOST: When you talk to disease experts about what might alarm them, it's not Ebola or Zika. It's Nipah. It's as deadly as Ebola but attacks the brain, and it has the potential to spread by mere cough. As NPR's Michaeleen Doucleff reports
2017年NPR美国国家公共电台2月
研究证明狗懂得人的情感 Researchers in Hungary have confirmed something many dog owners have long suspected: that canines understand our feelings. 匈牙利的研究人员证实，很多养狗的人长期怀疑的情况，那就是狗能理解
VOA双语新闻 2014年2月
So I guess... I think the web, if we look back 10 years back now. 如果将来回顾计算机发展历史 The web is going to be a defining technology a defining social moment for computing. web技术必然成为重要的里程碑 I think it's going
名人传记
Have you ever heard that we humans use only ten percent of our brains? This oft-quoted myth holds a certain appeal because if it were true, then we could instantly become ten times more intelligent just by firing up that sleepy majority of the brain!
初学者听力文摘精选
Do We Only Use 10% Of Our Brains? Have you ever heard that we humans use only ten percent of our brains? This oft-quoted myth holds a certain appeal because if it were true, then we could instantly become ten times more intelligent just by firing up
英语听力文摘 English Digest
Animals in many large livestock-raising operations around the world get a small but steady dose of certain antibiotics in their feed. Doctors around the world are finding it harder and harder to cure some infections. Bacteria are developing resistanc
VOA标准英语2010年(五)月
If you have a dog, you may have noticed that sometimes it seems to be smiling. But, of course, we know that dogs don't really smile. That's just how dog mouths appear sometimes, right? Perhaps, but according to neuroscientist Jaak Panksepp of Bowling
英语时差8，16
62 人类狩猎活动致使动物种类及数量税减 DATE=7-5-01 TITLE=SCIENCE REPORT - Ancient Human Hunters BYLINE=George Grow (Start at 1'00
文化聚焦
President Barack Obama has his eyes on the stars -- or more accurately -- a planet. 美国总统贝拉克奥巴马一直关注着夜空中的繁星或者更准确的说，是其中一颗行星。 In an op-ed published last Tuesday on CNN, Obama set a
英语新闻
AS IT IS 2016-03-03 Kelly, Kornienko Land on Earth after Year in Space Scott Kelly and Mikhail Kornienko have their feet on the ground for the first time in 340 days. Riding in a Russian spacecraft, they made it back to Kazakhstan, along with a fello
2016年VOA慢速英语(三)月
Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a
2017年Scientific American(二)月
Other anthropologists think its because meat-eating isnt the key at all, that the real key is cooked tubers, like yams. They say an increase in calories is whats important when it comes to the development of larger brains, and that cooked tubers woul
英语时差8，16
台湾籍旅美老师今天交给我们的句子是： When humans fast, our bodies go through a very predictable schedule. Our bodies are great at squirreling away energy in the forms of fat and sugars. But, like coyotes, ideally, wed eat every day
留美老师带你每日说英文