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2025-05-20   Video
How Commodity Markets Work

Keywords:

- [Narrator] Orange juice made from Florida oranges might be disappearing from store shelves. This has sent frozen concentrate orange juice futures to record highs and led to thousands of ...

- [旁白] 橙汁 由佛罗里达橙子制成 可能正在从商店货架上消失。 这已冻结 浓缩橙汁期货 创纪录的高点和 LED 到数千人裁员, 给国家损失了数十亿美元, 以及更大的风险 吓跑了一些期货交易员。 ...


2025-05-18   Video
Can Scientists Solve Darwin's 'Abominable Mystery'

Keywords:

In 1879, Charles Darwin wrote to his colleague Joseph Dalton Hooker about an “abominable mystery" in the fossil record. He was perplexed at how rapidly major families of flowering and frui...

1879 年,查尔斯·达尔文 (Charles Darwin) 写信给他的同事 约瑟夫·道尔顿·胡克 (Joseph Dalton Hooker) 谈一个“可憎的谜团” 在化石记录中。 他对各大家族的速度之快感到困惑 ...


2025-05-16   Video
Campbell's Took a Risk by Redesigning Its Iconic Soup Can

Keywords:

- [Narrator] For the first time in 50 years, Campbell's iconic soup can looked different in 2021. Even though the changes are subtle, it makes the can feel. - Like one that feels at home ...

- [旁白] 对于 50 年来的第一次, Campbell 的标志性汤罐 2021 年看起来不一样了。 即使更改是 微妙,它使罐子感觉。 - 就像一个有宾至如归的感觉 在你的储藏室里 vs 一个 你记得看到的...


2025-05-14   Video
How Transforming River Banks can Clean Contaminated Waterways

Keywords:

In the 1950s, scientists believed high-banked rivers throughout the eastern United States, a signature of the landscape, resulted from repeated floods, which piled sediment onto the sides ...

在 1950 年代,科学家们认为高堤河流 在整个美国东部, 景观的标志, 由于反复的洪水,沉积物堆积 到河流两侧。 几十年后,研究人员 Dorothy Merritts 和 Robert 沃尔特 (Wal...


2025-05-12   Video
Why Is Amtrak Service So Slow in Most of the U.S.

Keywords:

- [Announcer] If you want to travel by Amtrak from Houston to San Antonio, Texas, you only have one option, the Sunset Limited, a long distance train making 22 stops from New Orleans to Lo...

- [播音员] 如果你想 Amtrak的旅行 来自 Houston 到德克萨斯州的圣安东尼奥, 您只有一个选择, Sunset Limited,一个长 火车长途航班 22 站 从新奥尔良到洛杉矶。 它每周只运行...


2025-05-10   Video
What If We Built a Stanford Torus

Keywords:

One day, we want to take humanity into space. But why don't we start small? Take one solar power station, 10,000 people, and 10 million tons of crumbled Moon rock, and you get a space habitat. ...

有一天,我们希望将人类带入太空。 但是,我们为什么不从小处着手呢? 以一个太阳能发电站、10,000 人和 1000 万吨碎月球岩石为例,你就会得到一个太空栖息地。 斯坦福 Torus。这个栖息地将如何运作?谁可以住在那里...


2025-05-08   Video
Domino’s Pizza Empire Was Built on Delivery

Keywords:

(box clattering) - [Narrator] Your last pizza probably came in a box like this. It's cardboard, sturdy and most importantly, keeps your cheese from getting stuck to the lid. And that'...

(盒子咔嚓咔嚓) - [旁白] 你上一份披萨可能来了 在这样的盒子里。 它是纸板的,很结实 最重要的是, 防止您的奶酪 卡在盖子上。 这要归功于 Domino's。 这位创始人被广泛赞誉 与创建...


2025-05-06   Video
What Would Happen If a Black Hole Ate the Sun

Keywords:

It's almost as old as the Universe, and as massive as 34 billion Suns. It eats stars for breakfast. And now it's about to consume ours. Behold, the great and powerful black hole with the catc...

它几乎与宇宙一样古老,与 340 亿个太阳一样大。 它早餐吃星星。 现在它即将消耗我们的。 看啊,那个巨大而强大的黑洞,它的名字很吸引人 J2157。 如果它离我们的太阳系足够近,它会以多快的速度摧毁我们?对于我们的...


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