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听力等级

科学研究   

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...


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。 ...


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...


2023-07-04   Video
How Flow Rates Affect Biomass

Keywords:

MARY POWER: I've always had a deep wonder and fascination about the natural world. And I'm especially intrigued with how species interact with each other and also with their environments. My sci...

玛丽·鲍尔:我一直对自然世界充满好奇和迷恋。 我对物种之间以及它们与环境之间的互动特别感兴趣。 我的科学研究重点是河流及其包含的食物网。 河流是极其动态的栖息地。 它们会随着流经它们的水量而随着季节和年份的变化而发生...


2023-07-02   Intermediate
Inside the Meat Lab - The Case for Artificial Meat - Ⅱ

Keywords:

Steve: Let's talk about bulking up because, you know, when you're trying to make meat out in the real world, I mean, if you're trying to make meat, if you're trying to grow your own muscles, ...

Steve:我们来谈谈增肌,因为,你知道,当你在现实世界中试图制作肉类时,我的意思是,如果你试图制作肉类,如果你想锻炼自己的肌肉,你就要锻炼。你可以跑步,可以举重,但如果培养皿里有这堆细胞,你如何让这堆细胞生长,就像它以某种方式进行运动一样...


2023-06-30   Intermediate
Inside the Meat Lab - The Case for Artificial Meat - Ⅰ

Keywords:

Steve: Let's begin with this Willem van Eelen fellow. Why don't you tell everybody a little bit about him? Bartholet: Yeah, I mean, he's a very interesting, somewhat eccentric chara...

史蒂夫:让我们从威廉·范·伊伦这个家伙开始。你为什么不告诉大家一点关于他的事呢?Bartholet:是的,我的意思是,他是一个非常有趣,有点古怪的角色,在现在的印度尼西亚长大,当时它是荷兰的殖民地。他现在87岁了。你知道,他在印度尼西亚的日...


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