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听力等级

科学研究   

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。 公民依赖瓶装满足他们日常需求的水...


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电,以及它如何影响我们。 电是电荷的运动。 此运动产...


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。 盐沼是世界闻名跻身最高效的行业之列世界上的生态系统。 他们的生产力可与植物相媲美热带雨林...


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...


2023-07-10   Video
Why did This Dinosaur Have a 'Crazy Straw' Inside its Head

Keywords:

Initial of our lab is to try to unravel those secrets of how dinosaurs actually worked. The Whitmer lab has been here at Ohio University since 1995. We would run these things through a cat sc...

我们实验室的初衷是尝试解开这些恐龙实际工作原理的秘密。 惠特默实验室一直在这里自 1995 年以来在俄亥俄大学就读。 我们将通过我们当地医院的 CAT 扫描仪。 因此,我们可以通过骨头,弄清楚发生了什么。 我们有一个项目已经看了很长一段时间...


2023-07-08   Intermediate
Douglas Fox, The Limits of Intelligence - Ⅰ

Keywords:

Steve: So I always thought we had these compartmentalized brains because it was a sign of our incredible advancement and our human brains are so complex that we needed to have an individual se...

Steve:所以我一直认为我们有这些分隔的大脑,因为这是我们令人难以置信的进步的标志,而我们的人脑是如此复杂,以至于我们需要为这个和那个分别设立一个单独的部分;然后我读了你的文章,我发现我们必须区分我们大脑的这些部分,因为它只是为了应对信噪...


2023-07-06   Video
Is Meat Unhealthy

Keywords:

When our vegetarian ancestors started eating meat around two million years ago, it wasn't just because animals taste great, it was pure necessity. Climate change made many of the plants our ...

当我们的素食祖先开始吃素时吃肉大约两百万年前,这不仅仅是因为动物的味道很好,这纯粹是必要的。 气候变化使许多植物成为我们的祖先依赖较少的可用产品,而肉类弥合了这一差距。 最迟从发现火灾开始,肉类成为人类饮食的主食。 但在过去的几年里,吃肉已...


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