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听力等级

科学研究   

2024-11-13   Intermediate
Use AI to Design an 'Animal Robot', Part 1

Keywords:

They are a living swimming self-powered robot that is less than a millimeter across. So some people were really afraid of the technology. It's something new they've never seen before. Other...

它们是一个活生生的游泳自供电机器人,直径不到一毫米。 所以有些人真的很害怕 的技术。 这是新事物 他们以前从未见过。 其他人真的很兴奋 关于推动发现的潜力 在计算机科学中 以及生物科学。 我听说这种工作...


2024-11-12   Pre-Intermediate
Researchers Find Link to Nerve Disease in Ancient DNA

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Genetic researchers at the University of Cambridge in Britain say ancient DNA shows why northern Europeans have a higher risk of getting a nerve disease than other Europeans. The disease is called mu...

英国剑桥大学的遗传学研究人员表示,古代 DNA 显示了为什么北欧人患神经疾病的风险高于其他欧洲人。 这种疾病被称为多发性硬化症或 MS。研究人员表示,风险在于大约 5,000 年前进入北欧的骑马牧民的基因。 这些发现来自一个巨大的项目,...


2024-11-11   Video
What If Earth Was Near the Center of the Milky Way

Keywords:

See that strip of stars splashed across the night sky? That's our home galaxy, the Milky Way. You can see it from Earth because we live right on the outskirts, far away from all the fun...

看到那条星条 飞溅到夜空中? 那是我们的家乡星系,银河系。 你可以从地球上看到它 因为我们住在郊区, 远离所有有趣的事物 发生在它的中心。 居住在银河系的市中心会是什么样子?我们还会拥有我们熟悉的太...


2024-11-07   Video
What If the Speed of Light and Sound Were Switched

Keywords:

Nothing can travel faster than light. But what if we switched the rules a little? Imagine a world, where the speed of light was slower - about the speed that sound travels at. In turn, th...

没有什么能比光传播得更快。 但是,如果我们稍微改变一下规则呢? 想象一个世界,其中 光速较慢 - 关于声音传播的速度。 反过来,那个假设世界中的声音 将加速 直到它达到光速。 声音和光线会是什么样...


2024-11-04   Pre-Intermediate
Can ‘Less Be More’ with Cancer Drugs

Keywords:

Many people who find out they have cancer are able to survive the disease because of effective drugs. Treating cancer with certain drugs is known as chemotherapy. The drugs contain powerful chemicals...

许多发现自己患有癌症的人能够因为有效的药物而在疾病中幸存下来。 用某些药物治疗癌症称为化疗。这些药物含有强大的化学物质,可以杀死癌细胞,但也会导致患者出现不良反应。 虽然这些药物有助于维持患者的生命,但它们会导致极度疲劳、胃痛和脱发。有...


2024-11-03   Video
What If Earth Had a Large Elliptical Orbit

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What if Earth's orbit ventured as far from the Sun as Pluto, and got as close to it as Venus? Would humans be able to survive such extreme changes in temperature? And if we could, what are the chan...

如果地球的轨道像冥王星一样远离太阳,像金星一样靠近太阳,那会怎样? 人类能够在如此极端的温度变化中生存下来吗?如果可以的话,地球沿着这条轨道安全穿越太空而不撞到另一个行星的可能性有多大? 这就是 WHAT IF, 以下是将...


2024-10-30   Intermediate
Did We Domesticate Plants, Part Two

Keywords:

One way of looking at it is that what really is going on here is that the domestic plants are doing really well out of this. And what they've done is they've domesticated us. You know, ...

一种看待它的方法是 那到底是怎么回事 上 这里 是 国内 植物长势非常好 从这个。 他们所做的是 他们已经驯化了我们。 你知道,他们是强迫的 我们来,照顾他们。 纠缠。 那个双重过程 始于新石器...


2024-10-30   Video
What if Earth Had Rings Like Saturn

Keywords:

Jupiter. Uranus. Saturn. Earth? Sadly, the Earth didn't make it onto the list of the Solar System's ringed planets. If it did, would it still be able to host life? This is WHAT IF, ...

木星。 天王星。 土星。 地球? 遗憾的是,地球没有进入太阳系的环状行星名单。 如果是这样,它还能承载生命吗? 这就是 WHAT IF, 以下是将要发生的事情 如果地球有像土星一样的光环。 ...


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