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2023-08-15   Video
Neutron Stars – The Most Extreme Things that are not Black Holes

Keywords:

Neutron stars are one of the most extreme and violent things in the universe. Giant atomic nuclei, only a few kilometers in diameter, but as massive as stars. And they owe their existence to ...

中子星是宇宙中最极端、最猛烈的东西之一。巨大的原子核,直径只有几公里,但质量和恒星一样大。他们的存在归功于某种雄伟事物的死亡。[引言音乐]恒星的存在是因为脆弱的平衡。数百万至数万亿吨热等离子体的质量被重力向内拉动,用如此大的力将物质挤压在一...


2023-08-13   Video
Photosynthesis- Part 1- Overview

Keywords:

[SCRIBBLING] SPEAKER: Almost all life on Earth is solar powered.$#10320#$10320#$ Plants, algae, and some bacteria capture light energy from the sun and convert it to chemical energy in ...

[涂鸦]演讲者:几乎所有的生活地球上的太阳能$#10320#$10320#$植物、藻类和一些细菌捕获光能从太阳和转换它转化为化学能在一系列反应中称为光合作用$#10320#$10320#$这些生物产生碳水化合物从简单的构建块比如水和二氧化碳...


2023-08-11   Video
Dive into a Vanishing Invisible Forest to See What Climate Has Changed

Keywords:

I started initially studying terrestrial ecology, but I stumbled into a scuba diving class where I learned to dive right here along the Monterey breakwater wall. It was a really rough day. ...

我最初开始学习陆地生态学,但我偶然开始潜水我就是在这里学会潜水的沿着蒙特利防波堤。那真是艰难的一天。海浪很大。我们勉强进入水中。我的意思是,我们几乎看不到我们的双手放在我们面前,因为这是如此黑暗。天气冷得要命。我只是觉得这是最酷的事情。我当...


2023-08-09   Video
The Search for a Mutated Gene

Keywords:

SPEAKER: Just before his sophomore year of college, Sam Walker decided to update his contact lens prescription. Sam's vision has never been great, and he was having trouble seeing in low ...

演讲者:就在他之前大学二年级,Sam Walker决定更新他的隐形眼镜处方。Sam的愿景从来都不伟大,他遇到了麻烦在昏暗的光线下看。那次例行的眼睛检查医生揭示了一个问题。萨姆·沃克:他看到了这些我眼睛里有黑色的小斑点。他说我不是100%知道...


2023-08-07   Video
The Billion Ant Mega Colony and the Biggest War on Earth

Keywords:

In nearly every corner of the earth, ants wage war against each other. Their weapons are what nature gave them. Some have strong armor, deathly stingers, or sharp mandibles. And then there's thi...

在地球的几乎每一个角落,蚂蚁都在互相打仗。他们的武器是大自然赋予他们的。有些有坚固的盔甲、致命的毒刺或锋利的下颚。然后是这个微小而不太令人印象深刻的蚂蚁,但它统治着蚂蚁有史以来建立的最大帝国。一个跨越大陆的殖民地,正在进行的战争造成数百万人...


2023-08-05   Video
How to Improve Indoor Air Quality

Keywords:

Did you know that we spend about 90 percent of our time indoors? So why aren’t we talking about indoor air quality, especially when COVID is still spreading and so many people are being encouraged to...

您知道我们大约 90% 的时间都在室内度过吗? 那么,我们为什么不谈论室内空气质量,尤其是在 COVID 仍在传播并且鼓励这么多人返回办公室的情况下呢? 让我解释一下。 我们知道,导致 COVID 的病毒 SARS-CoV-2 是通过...


2023-08-03   Video
Overpopulation & Africa

Keywords:

For most of our history, the human population grew slowly, until new discoveries brought us more food, and made us live longer. In just a hundred years, the human population quadrupled. Th...

在我们历史的大部分时间里,人类人口增长缓慢, 直到新的发现给我们带来了更多的食物, 让我们活得更久。 在短短一百年内,人类人口翻了两番。 这导致了地球过度拥挤的世界末日景象。 但人口增长率实际上在 1960 年...


2023-08-01   Video
Think Like a Scientist - Gorongosa

Keywords:

GREG CARR: I flew over Gorongosa. I'm looking down, and it's magnificent. There's a great lake in the center of the ecosystem. There's rivers. There's a mountain with a rainforest. ...

格雷格·卡尔:我飞了 在戈龙戈萨上空。 我往下看, 而且它很壮观。 有一个大湖 生态系统的中心。 有河流。 有一座山 与热带雨林。 栖息地非常壮观。 但从空中,我可以 没有看到一只动物。 ...


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