标签：进化 相关文章
So why is it that we move the particular ways we do? 那我们为什么用这种特定的模式移动呢？ Well let's think about what really happens. Maybe we don't all quite move the same way. 来想想真实情况可能是什么。假如我们并不
TED演讲教育篇
I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to
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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
About six or seven million years ago chimpanzees and humans evolved from a common primate ancestor. Chimps went on to become the relatively small-brained, forest dwelling creatures we know and love. Humans went on to evolve large brains, spread throu
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Do you consider yourself a natural leader? 你认为自己是天生的领导者吗? I think my nature is to lead. 我认为自己有天生的领袖特质。 In most situations,it seems to evolve that I am the one who is looked to to take charge. 很多
必背英文面试口语
The National Safety Council estimates that 28 percent of all highway accidents and deaths are caused by drivers paying poor attention to the road because theyre holding cell phones to their heads. But a study of 200 volunteers finds that one out of e
60秒科学
尽管动物和昆虫进化出了令人咂舌的生存技能，Robert Full认为它们适用面窄，太细致，被过分设计了：倘若要使这些尖端科技为人类造福，我们只需取其精髓。请看Robert Full展示工程仿生妙诀。
TED公开课:重释机器
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
神经学家丹尼尔・沃普特从一个出乎意料的前提谈起：大脑的进化不是思考或感觉的需要，而是为了控制身体运动。在这个有趣又不乏数据支持的演讲里，沃普特向我们简述人类大脑如何举重
TED公开课:美妙的神经系统
Itcanbeinferredfromthepassagethatthe authorwouldbemostlikelytoagreewith whichofthefollowingstatementsregarding socioeconomicclassandsupportforthe rebelandLoyalistcausesduringthe AmericanRevolutionaryWa
英文语法词汇
台湾籍旅美老师今天交给我们的句子是： Look closely and you'll see parts that aren't there because you need them but because your animal ancestors did. No longer serving their previous function but not costly enough to have disappeare
留美老师带你每日说英文
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
Evolution of Sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of sleep
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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
And you know that attitude stays with me until this day 父亲的话一直伴随着我直到今天 and I feel like my dad was the best player I have ever played against 我认为爸爸是我遇到的最好的对手 You know most lesson and saying he
篮球英文堂
Our development of larger brains had much to do with our evolution as a species. But the question is, what fueled the development of those larger brains? The most popular theory among anthropologists is that we switched to an omnivorous diet. Our anc
英语时差8，16
台湾籍旅美老师今天交给我们的句子是： It'd be thousands of years before we linked germs to disease, but avoiding filth has deep evolutionary roots. 过了几千年后，我们才发现是细菌导致了死亡，不过远离污秽的这
留美老师带你每日说英文
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
Sometimes its easy to understand how an evolutionary change took place, but its more difficult to understand why. For example, consider the beautiful birds of paradise which live in the forests of New Guinea. The males of many bird-of-paradise specie
英语时差8，16
Are you clever enough? 你够聪明吗？ Sleep researchers tend to divide people into two groups, based on whether they exhibit morningness oreveningness. A recent study claims that eveningness is an evolutionary advancement that marks out more inte
英语听力广播—Listening