科学研究   

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And this animation shows what happens in a tumor. There are cells which are dividing abnormally. We'll see how in a few minutes. They keep dividing at the expense of the normal cells th...

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Steve: Dr. Gazzaniga, great to talk to you today. Gazzaniga: Hi Steve. Steve: Tell us about the connection between neuroscience and the law; it's something that we're all a little bit familiar with—...

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The simple questions are the hardest ones to answer. What is a thing? Why do things happen? And why do they happen the way they do? Let’s try to approach this step-by-step. What are you made of? ...

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Steve: Tell me about your background—you are a food scientist. Chen: Yes, I am a food scientist; I have a bachelor's degree from the University of Wisconsin–Madison and I've been with the Wisconsin C...

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Scientists have used paper and string to make a centrifuge that could be used for medical tests in remote locations. The centrifuge is an important part of science labs across the world. In healt...

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The DNA molecule is made up of very long chains of the four bases. A, C, G, and T. In 1950, Erwin Chargaff published a paper stating that, in DNA of any given species, the ratio of ade...

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Light, is the connection between us and the universe. Through light, we could experience distant stars and look back at the beginning of existence itself. But, what is light? In a nutshell Light, ...

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Steve: You have a paper called "Climate Change and Global Health Quantifying a Growing Ethical Crisis". What's the ethical connection to global warming? Patz: Well, certainly we know that the industr...