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听力等级

科学研究   

2023-12-19   Intermediate
What a Plant Knows, Daniel Chamovitz, Part Four

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Steve: So, you talk, one of the great parts of the book--there's a lot of Darwin in the book. Chamovitz: Darwin is great. Steve: Darwin was so much smarter than people even reali...

Steve:所以,你说的是这本书最棒的部分之一——书中有很多达尔文。 Chamovitz:达尔文很棒。 Steve:达尔文比人们意识到的要聪明得多;但他用他的巴松管演奏植物。 Chamovitz:达尔文演奏了他的巴松管。 这是他的一个实验,...


2023-12-19   Video
What Would Happen If You Fell Into a Black Hole

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How much do you know about black holes? What would happen if you fell into one? Say one day you were exploring space looking for a new planet for humans to inhabit, but came across a black h...

你对黑洞了解多少?如果你掉进去会怎样?假设有一天你正在探索太空为人类提供一个宜居的新星球,但遇到了一个黑洞并决定 - 为什么不去看看呢?这就是 WHAT IF,以下是将要发生的事情如果你掉进了一个黑洞。 尽管是 “黑色” 和 “洞”,黑洞不...


2023-12-17   Intermediate
What a Plant Knows, Daniel Chamovitz, Part Three

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Steve: Right, we think of it as the one because it's the one we have, so it's our default for that, but we're another variation on a theme. Chamovitz: Exactly. So, when you touch the hairs ...

Steve:是的,我们认为它是那个,因为它是我们拥有的,所以它是我们的默认设置,但我们是一个主题的另一种变体。 Chamovitz:没错。 所以,当你触摸捕蝇草上的毛发时,你会激活离子通道,这会导致去极化,当去极化超过某个阈值时,它就会关闭...


2023-12-17   Video
The Dinosaurs Had Been Going On For Around 165 Million Years Alread

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One of the greatest illusions in life is continuity. 66 million years ago, the continuity of the dinosaurs had been going on for around 165 million years already - and it didn’t seem thi...

最大的幻觉之一生命中是连续性的。 6600 万年前,连续性恐龙已经持续了大约已经有 1。 65 亿年了 - 而且它似乎这随时都不会改变很快。 世界是温暖的、愉快的,大部分土地被茂密的森林覆盖以及令人难以置信的树木多样性,花朵、蕨类植物和数万...


2023-12-15   Intermediate
What a Plant Knows, Daniel Chamovitz, Part Two

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Chamovitz: Now we know that these same proteins have the same biological function in cells between humans and plants. In plants, when there's a mutation in it, there's an effect in photomorphogenesis...

Chamovitz:现在我们知道,这些相同的蛋白质在人类和植物之间的细胞中具有相同的生物学功能。 在植物中,当它发生突变时,就会对光形态发生产生产生影响。 在动物中,当它有缺陷时,就会产生影响,这是癌症的结果之一。 Steve:因为所有这些...


2023-12-13   Intermediate
What a Plant Knows, Daniel Chamovitz, Part One

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Steve: Daniel Chamovitz--great to see you. Chamovitz: Thanks for having me. Steve: Sure, thanks for coming in. What a Plant Knows is the name of the book. Let's start there--wh...

Steve:Daniel Chamovitz——很高兴见到你。 Chamovitz:谢谢你邀请我。 Steve:好的,谢谢你进来。 《植物所知道的》是这本书的名字。 让我们从这里开始——植物知道什么?Chamovitz:植物知道很多。 植物...


2023-12-13   Video
What Would Happen If All the Continents Joined Together

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Ever seen this map? This is how Earth looked like 200 million years ago, before Pangaea, the only supercontinent on the planet, came apart. What if one day the continents joined into one g...

见过这张地图吗?这就是地球的样子2 亿年前,在盘古大陆之前,唯一的超级大陆在这个星球上,分崩离析。 如果有一天,各大洲会怎样再次合二为一您可以从从北美步行到非洲?这就是 WHAT IF,以下是将要发生的事情如果各大洲合并在一起。 您了解下面...


2023-12-11   Intermediate
What Might Happen to a Spacefaring Humanity in a Star Trek - Ⅱ

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JM: This suggests that yes, within a few centuries you could have changes on the order of different skin hues, or altered skin colors, different hair textures. But radical reshaping of the human body,...

JM:这表明,是的,在几个世纪内,你可能会发生不同肤色、肤色、不同头发质地的变化。 但例如,对人体的彻底重塑。 主要的身高差异,甚至新的解剖结构,这些应该需要更长的时间。 这些应该需要几千年的时间。 JM:肯定有一种看法,尤其是在这个国家,...


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