欢迎您登陆
+ 影音搜索
 
 
<2026年4月>
周一周二周三周四周五周六周日
303112345
6789101112
13141516171819
20212223242526
27282930123
45678910
听力等级

科学研究   

2023-12-01   Intermediate
The Discovery that Mature Cells Can be Reprogramed to Become Pluripotent

Keywords:

Hansson: The Nobel assembly has concluded its meeting and made the decision. I'll read the announcement. The Nobel assembly at the Karolinska Institutet has today decided to award the Nobel Prize in...

Hansson:诺贝尔奖大会已经结束了会议并做出了决定。 我会读公告。 卡罗林斯卡医学院的诺贝尔奖大会今天决定将 2012 年诺贝尔生理学或医学奖共同授予 John B。 Gurdon 和 Shinya Yamanaka,以表彰他们发现成...


2023-12-01   Video
Tritheledont - Fossil Discoveries

Keywords:

[ Music ] >> What makes the Bay of Fundy a special place to hunt for fossils is its huge tides. They're the largest in the world. In just six hours, 100 billion tons of water drain h...

[ 音乐 ]>> 是什么造就了海湾芬迪 (Fundy) 一个特别的狩猎场所因为化石是它的巨大潮汐。 他们是最大的在世界上。 在短短六个小时内,1000 亿吨排水量的一半离海一英里远。 这些巨大的潮汐不断侵蚀悬崖表面理想的去处揭露新的化石。 ...


2023-11-29   Intermediate
The Flynn Effect - Modernity Made Us Smarter, Part Five

Keywords:

Steve: You would have loved to have studied the Van Arsdale twins—remember them? Flynn: I probably would have, yes; I have heard of them. Now let's take IQ gains over time; basketball ov...

Steve:你很想研究一下 Van Arsdale 双胞胎——还记得他们吗?Flynn:我可能会,是的;我听说过他们。 现在让我们来看看智商随时间的增长;随着时间的推移,篮球。 当我还是个高中篮球队的孩子时,我成绩还算不错,我毕业了——19...


2023-11-29   Video
True Limits Of Humanity

Keywords:

Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited ...

有没有我们永远不会跨越的边界?有没有我们永远无法到达的地方,无论我们多么努力?事实证明,有。 即使有科幻技术,我们被困在宇宙的有限口袋里以及其中的有限内容。 多少宇宙就在我们身边,我们能走多远?如果你仰望夜空,你可能会假设它会永远存在。 恒...


2023-11-27   Intermediate
The Flynn Effect - Modernity Made Us Smarter, Part Four

Keywords:

Moyer: And yet we've been modern for quite a while now… Flynn: Well I did a study; in the new book I have a study and it was very frustrating. I said, "I'm going to divide the IQ tests i...

Moyer:然而,我们已经现代了很长一段时间了。 。 。 。 。 。 Flynn:嗯,我做了一项研究;在新书中,我有一个研究,这非常令人沮丧。 我说,“我要把智商测试分为三个部分:看起来与现代化有关的子测试,比如锁设计和迷宫;这些子测试看起...


2023-11-25   Intermediate
The Flynn Effect - Modernity Made Us Smarter, Part Three

Keywords:

Flynn: It may be that their analytical abilities are used mainly at work and while at work, they get much more analytic exercise than the average person; after work that diminishes. Or it could...

Flynn:他们的分析能力可能主要在工作中使用,而在工作中,他们比普通人得到更多的分析练习;下班后,这种感觉会减少。 或者,大脑的分析部分就像一辆高性能汽车:它们比普通模型在老年时需要更多的维护。 我们只是不知道。 我认为这可能是两者的结合...


2023-11-25   Video
What if We ‘Nuke the Moon’

Keywords:

What would happen if we were to detonate a very very powerful nuclear weapon on the moon? Would the explosion knock its orbit towards earth, causing tidal waves and misery? Could the moon be d...

如果我们引爆月球上非常非常强大的核武器?爆炸会不会将其轨道撞向地球,引起潮汐和痛苦?能月亮被毁,洒满大地在流星般的死亡雨中?在冷战期间,月球是一个主要目标用于太空探索,你知道的,军事基地。 因此,美国空军委托了对核影响的严肃研究在月球表面爆...


2023-11-23   Intermediate
The Flynn Effect - Modernity Made Us Smarter, Part Two

Keywords:

Flynn: Block designs are, sort of, a three-dimensional jigsaw puzzle. And there had been very small gains on vocabulary, general information and arithmetical reasoning. The adult data that I no...

Flynn:块状设计有点像三维拼图游戏。 在词汇、一般信息和算术推理方面也有非常小的进步。 我现在在新书中分析的成人数据是一个启示。 成年人在词汇量方面取得了巨大的进步。 在过去的 50 年里,美国学生现在的词汇不是被动的——被动是你可以阅...


使用须知 常见问题  

Copyright© 2015-2025 kuotuo Inc. All rights reserved  

粤ICP备12056166号-3 粤公网安备 44010602002199号

您的IP地址:10.1.16.193