标签：evolutionary 相关文章
Question 1:When will the information highway be here? [00:01.03]问1：信息高速公路什么时候会成为现实？ [00:02.06]Bill:One of the key propositions in the book is that this will be a more evolutionary process than many people have sugg
零距离李阳疯狂英语口语
No body had had seen this kind of thing before, so this was the first time and all the people looking at the gel and saying
基因外遗传现象
This is scientific american 60-secs science. I'm Sophy Bushwick. Got a minute? It takes a white chromosome to make a man, but that does't mean its counterpart, the x-chromosome, plays no part. In fact it has a big role in making sperm. To study x evo
Scientific American(七)月
Some scientists say that the use of fire helps to make us the modern humans it dramatically changed what and how we eat or may have even altered our enemy. But the University of Utah anthropologist Polly Wisner thinks that the fire is also important
2014年Scientific American(九)月
Why Dont Humans Have Spots Or Stripes? 为什么人类身上没有斑点或条纹？ Have you ever wondered why we humans dont have spots or stripes? Well, maybe you havent, but it is interesting that so many creatures are multicolored but we are not
初学者听力文摘精选
How to Cultivate EQ (How to Cultivate EQ;) What is the most valuable contribution employees make to their companies, knowledge or judgment? I say judgment. Knowledge, no matter how broad, is useless until it is applied. And application takes judgment
新视野大学英语读写教程(4)
A baby's cries for food might drive tired parent aggravation,but some species take more drastic measures like the burying beetle,the [xxxxx] which punish it's pesky children by eating them,researches want to get to the bottom of a age-old question in
Scientific American(九)月
Neandertals Live On in Our Genomes也许你身上存有尼安德特人的基因 Fifty thousand years ago, Homo sapiens weren't the only game in town. We were just one of several species of hominids roaming the Earth, like the Neandertals in Eurasia.
2017年Scientific American(六)月
It's believed that our species, Homo sapines, has wandered African lands for at least a quarter of a million years. But maybe this was the place where evolutionary leap took palce. This is what a courteous team of 15 scienists are investigating. And
自然百科2012年
Probably the only way a T-Rex could successfully and safely bring down Triceratops is by having at least one other individual Tyrannosaur that would ambush it from the back while the one in front is keeping the attention of the Triceratops. Working a
探索与发现2013年
By Caroline Sawyer Nairobi 08 August 2007 One of the world's oldest hominid fossils, which revolutionized theories of early man, has left Ethiopia to begin a controversial tour of the United States. Anthropologists want the remains of the fossil, kno
2007年VOA标准英语（八月）
Health Care Let Neandertals Punch above Their Weight Health care isn't just a benefit of the modern human age. It goes way back. All the way, even, to the Neandertals.We imagine they would have been cleaning wounds, dressing wounds. Penny Spikins, a
2018年科学美国人10月
Dr. Gail Saltz is Today contributor. Hey, Gail! Good morning. Nice to see you. Good morning, Matt. Is there a physical reason for calm crying? Actually crying has an evolutionary reason. We are the only mammals that shed tears when we are upset for e
访谈录
A new study finds that sounds conveying negative emotions could be understood across cultural boundaries more readily than the sounds of positive emotions. Related Links Disa Sauter's paper in PNAS Things like laughter, crying, sighing, grunting ...
VOA标准英语2010年(二月)
Next time you find yourself at a karaoke bar, let me suggest a song:Otis Redding's Sitting on the Dock of the Bay. 下次在卡拉OK酒吧时，我给您推荐一首歌吧：Otis Redding坐在海湾的码头上。 The reason? It's got whistling in it
2018年科学美国人4月
Better Living through Evolution: Nobel Prize in Chemistry This years prize is harnessing the power of evolution. The Royal Swedish Academy of Sciences has decided to award the 2018 Nobel Prize in Chemistry with one half to Frances H. Arnold for the d
2018年科学美国人10月
Fossil discoveries have begun to unravel the riddle of whale evolution, providing paleontologists with clues. Indohyus was a fox sized, even toed ungulate found in India. This herbivore was adapted to living in the water like whales, with a bony wall
英语时差8，16
SCOTT SIMON, HOST: You might want to set aside your cornflakes for a moment now. Ed Yong writes in The Atlantic about a substance he says, quote, looks revolting but is also one of nature's more wondrous substances, unlike anything else that's been c
2019年NPR美国国家公共电台1月
台湾籍旅美老师今天交给我们的句子是： The evolutionary connection between tooth decay and agriculture is so distinct in fact that anthropologists can actually determine whether a culture started farming in part by studying when they
留美老师带你每日说英文
Hello. Brazil's president Dilma Rousseff has said she felt indignant and by the decision of the lower house of congress to go ahead with impeachment proceedings against her. She's rejected claims that she manipulated budget figures to help secure her
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