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听力等级

科学研究   

2023-07-22   Intermediate
Nobel Laureate Avram Hershko - The Orchestra in the Cell - Ⅰ

Keywords:

Steve: When you were doing your work for which you were awarded the Nobel Prize, everybody was looking at the synthesis of proteins, and you went with very few other people in a different dir...

史蒂夫:当你获得诺贝尔奖时,每个人都在研究蛋白质的合成,而你很少和其他人从不同的方向研究蛋白质的降解。这是你的天性,去一个没有其他人的地方,还是这个问题引起了你的注意?赫什科:好吧,这不是我的天性,但在科学领域,我认为你应该找到独特的问题,...


2023-07-22   Video
The World War of the Ants – The Army Ant

Keywords:

Some groups just don't get along. Every day, billions of soldiers fight a merciless war on thousands of fronts, and it's been going on for over 100 million years. The World War of the Ants. [...

有些团体就是相处不来。 每天,数十亿士兵在数千条战线上进行一场无情的战争,这场战争已经持续了 1 亿多年。 蚂蚁的世界大战。 [音乐] 蚂蚁是出现于周围地区的古老生物 1.6 亿年前,并接管了各种各样的 ...


2023-07-20   Video
Seed Dispersal and Forest Fragmentation

Keywords:

SPEAKER 1: The tropical forests of Colombia are home to a myriad of plant and animal species. Like many of the world's forests, this one in the Middle Magdalena Valley is also under threa...

演讲者 1:热带 哥伦比亚的森林 是无数 植物和动物物种。 像许多 世界森林, 这个位于中马格达莱纳 Valley 也受到威胁。 作为哥伦比亚的人口 生长,大片森林 被清理为农田 和养牛场。 ...


2023-07-18   Video
Artificial Intelligence is Helping Save This Small Town From its Toxic Nightmare

Keywords:

Clean water is a human right everybody should have. We need to make sure that the water is clean and safe for people to drink. Benton Harbor, Michigan is in crisis. The community’s water...

清洁水是一项人权 每个人都应该这样做。 我们需要确保水 干净安全,可供人们饮用。 密歇根州本顿港(Benton Harbor, Michigan)正处于危机之中。 社区的水不能安全饮用,因为 它含有潜在毒性的铅。 ...


2023-07-14   Video
Could Your Phone Hurt You

Keywords:

Electricity is all around us all the time. It makes our lives easier, safer, more fun, and most of us never think about it. But is there such a thing as too much electricity? Could the thi...

电力无处不在。 它让我们的生活更轻松、更安全、更有趣, 我们大多数人从来没有想过它。 但是,有没有太多的电呢? 作为现代世界基础的东西能否 慢慢地杀我们? 在我们深入研究之前, 让我们试着了解什么是...


2023-07-12   Intermediate
Douglas Fox, The Limits of Intelligence - Ⅲ

Keywords:

Steve: The infamous pocket call that we now experience. Fox: Pocket, otherwise known as butt call, yeah with a (noises) kind of in the background, exactly. And the neural v...

Steve:我们现在经历的臭名昭着的袖珍电话。 Fox:Pocket,也被称为 butt call,是的,背景中有一种(噪音),没错。这种袖珍屁股呼叫的神经版本是,这些离子通道位于神经元中,位于轴突中,一直沿着轴突向下,有点打开,让离子进...


2023-07-12   Video
Trophic Cascades in Salt Marsh Ecosystems

Keywords:

BRIAN SILLIMAN: When I walk into the marsh, one of the first things that I notice is this vast, intertidal grassland of hugely productive vegetation. Salt marshes are found in protecte...

BRIAN SILLIMAN:什么时候 我走进沼泽, 最早的 我注意到的事情 这是巨大的潮间带吗 高产的草原 植被。 盐沼位于 受保护的沿海水域 和温带 遍布世界各地。 盐沼是 世界闻名 ...


2023-07-10   Intermediate
Douglas Fox, The Limits of Intelligence - Ⅱ

Keywords:

Steve: Not to mention that the neurons get longer, so it takes longer for things, messages to travel, and everything kind of slows down. I mean, we're talking about microseconds and yet micro...

史蒂夫:更不用说神经元变长了,所以东西、信息传播的时间也更长,一切都变慢了。我的意思是,我们谈论的是微秒,但当你进行神经肌肉活动时,微秒很重要。福克斯:没错,那是另一件事。我的意思是,对于大脑,我认为研究人工神经网络的人,你知道,你需要有一...


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