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听力等级

科学研究   

2024-08-19   Intermediate
The Paradox of an Infinite Universe, Part One

Keywords:

Is the universe infinite? Does it have an edge? And if so, what would you see if you went there? Today we know that the universe had a beginning 14 billion years ago and that it's been exp...

宇宙是无限的吗?它有优势吗? 如果是这样,如果你去了那里,你会看到什么? 今天我们知道宇宙有一个开始 140 亿年前,一直如此 从那时起不断扩大。但 expanding 也应该有一条边,对吧? 嗯,有点像。 信...


2024-08-17   Intermediate
Synthetic Biology and Conservation with Kent Redford - Ⅴ

Keywords:

Kent Redford: So much of this conversation to so far has been about species, and that is the thing that attracts people a lot to this issue of de-extinction and bringing back species and what ha...

Kent Redford:到目前为止,这次对话的大部分内容都是关于物种的,这就是吸引人们关注灭绝和恢复物种的问题的原因,但我认为,如果我猜的话,这将是保护和合成生物学之间需要进行的对话中相当小的一部分。让我给你举几个例子,说明现在正在开发的...


2024-08-17   Video
What Would Happen If the Earth Was Hollow

Keywords:

What Earth do you live on? A round one? Flat one? What about a hollow Earth? Just a planet's shell levitating around absolutely nothing. How would the laws of physics work on that holl...

你生活在哪个地球上? 一轮? 平一? 空心地球呢? 只是一个行星的外壳悬浮着 周围绝对没有。 物理定律在那个空心的地球上是如何运作的? 我们也许能够一直挖一个洞到中心。 如果你这样做了,身处那个中...


2024-08-15   Intermediate
Synthetic Biology and Conservation with Kent Redford - Ⅳ

Keywords:

Steve Mirsky: Now, what do we have to, as conservationists, then watch out for? What – when do you – where do you put the line where there's stuff that we shouldn’t be doing? Kent Redford: ...

史蒂夫·米尔斯基:那么,作为环保主义者,我们该注意什么呢?什么 – 您何时 – 您在哪里设置了我们不应该做的事情的界限? Kent Redford:我没有答案。我不知道,但我认为我要求我的同事们做的是认识到,这个问题的答案只是部分是科学的...


2024-08-14   Pre-Intermediate
The Mercury 13 Led the Way for Women to Travel into Space - Ⅱ

Keywords:

After the first level of testing only thirteen remained, including Jerrie Cobb.The youngest among them was twenty-one-year-old Wally Funk who was also a competitive skier.Forty-year-old Jane Hart was ...

经过第一级测试后,只剩下 13 人,包括 Jerrie Cobb.他们中最年轻的是 21 岁的 Wally Funk,他也是一名有竞争力的滑雪运动员。40 岁的简·哈特 (Jane Hart) 是最年长的。她嫁给了密歇根州参议员菲利普·哈特...


2024-08-13   Intermediate
Synthetic Biology and Conservation with Kent Redford - Ⅲ

Keywords:

Kent Redford: So then when we ask this question about bats and hybrids, we have to be very careful about contrasting our own desire to order the world in ways that allow us to deal with it, with...

Kent Redford:所以,当我们问关于蝙蝠和杂交种的问题时,我们必须非常小心,不要将我们自己以能够处理世界的方式来秩序化的愿望与世界本身的自组织方式进行对比。这一点在杂交和杂交性的问题上表现得最为明显。我在野生动物保护协会所做的一件事...


2024-08-13   Video
What Would Happen If We Used the Full Capacity of Our Brains

Keywords:

You can do anything! Paint a masterpiece in a minute, learn every language in an hour, build a multi-billion dollar company overnight, and rule the world by tomorrow! So, what’s holdin...

你可以做任何事情! 在一分钟内画出一幅杰作, 在一小时内学会每一种语言, 构建数十亿美元 公司过夜, 并在明天统治世界! 那么,是什么阻碍了您呢? 你为什么不做你想做的事呢? 小时候听过莫扎特的歌还不够多...


2024-08-12   Pre-Intermediate
The Mercury 13 Led the Way for Women to Travel into Space - Ⅰ

Keywords:

In nineteen fifty-nine the United States was involved in a space race with the former Soviet Union.The Soviets had surprised the world by launching the first satellite.Sputnik One was launched into or...

1959 年,美国卷入了与前苏联的太空竞赛,苏联发射了第一颗卫星,震惊了世界。斯普特尼克一号于 1957 年 10 月 4 日发射入轨。突然之间,美国似乎在一个重要的技术领域落后了。因此,德怀特·艾森豪威尔总统于 1958 年成立了美国国家...


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