科学研究   

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So here we are with a view of the cochlea. The cochlea now uncoils, and we look at the basilar membrane, and now you'll see what happens when we play individual tones. Now a chord. And finally somethi...

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Steve: Hi, Gary, how are you? Stix: Good, Steve, how are you? Steve: Okay, give me the nickel tour of the work that you talk about in the article. Whose lab is it and what are they doing that's ...

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We're going to do a head-to-head contest between asexual cloning and sexual reproduction. And I'm going to need-- perhaps you've been wondering what these fruits and vegetables are for up here ...

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Science and Technology 【infantile anaemia】 Blood simple 【A small change in how babies are delivered might abolish infantile anaemia】 CHILDHOOD anaemia is a problem. Around the world, almost a quar...

科技 婴儿贫血 简单的输血 分娩方式的简单改变可能帮助消灭婴儿贫血 儿童贫血症是一个全球性的问题，将近四分之一的五岁以下儿童忍受着该病的折磨，使得我们无法忽视它。儿童身体和智力的发育，都会受到铁元素匮乏的影响，因为除...

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Steve: Captain Moore, I really appreciate you calling in. Moore: Oh, not a problem. Thanks for having me. Steve: It's our pleasure. Can you tell me, first of all, over the years it has been call...

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Dr. Kandel, great to talk to you today. Kandel: Steve it's wonderful to talk to you. Steve: And I want you to begin with your background. You went from an interest in being a psychoanalyst to a ...

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RNA is an informational molecule. If one would want a simple analogy for it, you might use the analogy of a video tape. It has a linear array of information, which by itself is typically thought of no...

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So here's our bacterium here and behind it will be these long strands that are the bundle forming pillus. They're going to adhere to the microvilli, these wiener-like structures, this is what's on...