科学研究   

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Nice motile salmonella screaming along here *sound effects of airplane* here she comes! Boom! Ok it’s got a type 3 secretion system, squirts in proteins, triggers major event -here she comes, and *gul...

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The kidney filters an enormous amount of plasma, and in so doing, it has become the central site for the regulation of the ionic composition of the body. All of the ions such as sodium, potassi...

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Science and Technology 【The science of justice】 I think it's time we broke for lunch… 【Court rulings depend partly on when the judge last had a snack】 AROUND the world, courthouses are adorned w...

科技 司法的学问 该吃午餐了 法庭判决结果一定程度上取决于法官上一次吃点心的时间 世界各地的法院都装饰有一尊女子的雕像，这个女人被蒙住双眼，手持一架天平和一把剑。她是正义的化身。剑代表着法庭的权力，而天平代表着上诉人...

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Paul Doherty is a writer from the United States. He describes a memory for us. “I, my friend Martin, and a small group were climbing in the mountains. We climbed with two ropes. Martin and I climbe...

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Steve: In your article, you mentioned Steven Weinberg's famous book, The First Three Minutes and how back when he wrote that in—I think, it was in 1977? Zajc: That's correct. Steve: He said that he ...

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Let's talk about what goes on at the single cell level. How does a gene for influenza hemagglutinin get into a human virus? And I've prepared a small video to show you how this goes. Before we roll th...

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Steve: Dr. Romm, thanks for being with us today. Romm: My pleasure. Steve: I was with the[a] group of people a few days ago and the subject of hybrid cars came up; and somebody there started talking...

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Here's the virus particle with its envelope and proteins and genome. And you're going to see this represented as being within a pipette that's going to be dropped onto a petri dish containing human ce...