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科学研究   

2022-01-20   Intermediate
The Inevitability Of Cancer's Commonality

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You have a quote in the article, "in one sense cancer is a side effect of evolution." So, that's pretty interesting. What exactly does it mean? Carl: Well, it means that the way that our bodies are b...


2022-01-20   Video
DNA Transcription (Advanced Detail)

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The central dogma of molecular biology, DNA makes RNA makes protein. Here the process begins. Transcription factors assemble at a specific promoter region along the DNA. The length of DNA follow...


2022-01-19   British English
What Ate Dinosaurs

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What ate dinosaurs? Old crocs. Even in their heyday, dinosaurs were not quite as dominant as popular myth makes them out to be. ONE answer to the question, “What ate dinosaurs?” is, obviously, “Oth...

谁吃了恐龙 古鳄鱼 即便是在全盛时期,恐龙并非像民间传说所理解的那样占绝对统治地位 “谁吃恐龙”很明显,其中一个答案是:“其它恐龙”每个史前怪兽爱好者的脑海里浮现出的是像霸王龙、翼龙这样的兽脚类掠食者,电脑制作的它们与梁龙、剑龙的...


2022-01-16   Intermediate
Rampaging Robots & Komodo Dragons

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Hey Dan, thanks for talking to us today. Dan: Thanks for having you me Steve. Steve: You have got your PhD in robotics from Carnegie Mellon. So, what did you do your actual research on for your doct...


2022-01-14   Intermediate
Talk with Nobel Laureate Harold Varmus

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Dr. Varmus, great to talk to you today. Dr. Varmus: Thank you very much. Nice to see you. Steve: Tell me about the Hamilton Project. What is it? How did you get involved with it and why? Dr. Varmus...


2022-01-14   Video
DNA Transcription (Basic Detail)

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What you are about to see is DNA's most extraordinary secret. How a simple code is turned into flesh and blood. It begins with a bundle of factors assembling at the start of a gene. A gene is simply a...


2022-01-12   Intermediate
The Science of Bird Song

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Dr. Slabbekoorn, nice to talk to you today. Dr. Slabbekoorn: How are you doing? Steve: Good, tell me about this bird song study, very interesting. What did you actually do and what were you looking ...


2022-01-10   Video
X Inactivation

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The cells start off as a female with two X chromosomes. The cell divides and the embryo is getting slightly bigger and still each cell has both X chromosomes active, but in early embryogenesis eac...


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