科学研究   

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The virus is derived from a typical cold virus, called an adenovirus. It infects, or begins to infect all cells. If the virus infects a normal cell, the DNA from the virus will get out of it and go to...

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A series of articles. Three articles--[about] how your body reveals what you think. One is on gestures, hand gestures, body gestures; one is on facial expressions; and one is about lying. So, this is ...

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Science and Technology. Combating addiction. Can a vaccine stop drug abuse? It may be possible to vaccinate people against addictive drugs. THE idea of vaccinating drug addicts against their affli...

科技 打击毒瘾 疫苗能阻止药物滥用吗? 人们也许能通过疫苗来阻止成瘾药物的使用 对药物滥用者进行免疫来对抗他们受到的折磨是一个吸引人的课题。原理上，这应该不会太难。免疫系统可以部分参与产生那些针对某些有害分子的抗体。...

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Larry, good to talk to you. Larry: Nice to talk to you. Steve: Tell me about the things that surprised you as you were doing a research for this book. Larry: There were several things that surprise...

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Science and Technology. Human evolution. You look familiar. Another piece of humanity’s family tree is fitted into place. THE opening scene of Mel Brooks’s film “History of the World: Part One” dis...

科技 人类进化史 似曾相识 南方古猿sediba的发现填补了人类家族谱系的关键空白 梅尔·布鲁克斯执导的电影“世界史：序幕”开场仅用一句话就概括了人类起源：“类人猿直立起来，变成了人类。” 要是古生物学家也能如此轻而易举地...

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Professor Carroll, good to talk to you. Carroll: Thanks for having me, Steve. Steve: Sure. Why did you write the book? Carroll: I wrote the book because of [the] massive increase in the information...

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So here's a figure of this, here's the per gene, here's its promoter. There's a ribosome, and this gene is now active, illustrated by this glow and the gene is producing messenger RNA which is being t...

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So imagine this yellow portion is the portion where the tri-nucleotide repeat is, and as you know helicases open the DNA, the DNA polymerases copy it. So we're going to watch that repeat now get throu...