和指纹一样独特的合成声音
很多有着严重言语障碍的人都用一个电脑化的设备进行交流。但是，他们的声音选择却非常有限。这就是为什么史蒂芬·霍金教授有美国口音，为什么很多人有着同样的声音，不符合他们身份的声音。语音学家卢帕尔·帕特尔想对此做点什么。在这个很棒的演讲中，她跟我们分享了她如何为那些没有声音的人打造独特的声音的过程。
亲手模拟有丝分裂与减数分裂的过程
Mr. Andersen uses chromosome beads to simulate both mitosis and meiosis. A brief discussion of gamete formation is also included.
原核复制与真核复制的区别
Thank you so much for pointing out the mistake. Correction: In Eukaryotes, the leading strand is synthesized by DNA polymerase epsilon. After initial priming by DNA polymerase alpha, DNA polymerase delta takes over the synthesis on the lagging strand (Lata Balakrishnan and Robert A. Bambara, JBC, 2011; 286(9): 6865--6870)
重组DNA技术和rDNA技术的步骤
Detailed explanation of steps in recombinant DNA technology explained with the example of insulin synthesis in bacterium.
罗塞塔探测器眼中的67P彗星
A year ago, the Rosetta Mission landed a probe on a comet - the first time this feat had been achieved. Rosetta has since revealed a whole load of fascinating facts about Comet 67P/Churyumov–Gerasimenko. Here are three things we’ve discovered about the comet so far, as well as three mysteries we have yet to solve…
说真的，让我们聊聊内急这件事
现在，全世界还有25亿人没有用上基本清洁的厕所。那么没有厕所的时候，你上哪里解决内急？大概就在离你的水源和食物很近的街上，这带来的污染会造成数不清的疾病和死亡 。准备好聆听记者罗斯·乔治关于这个曾经人人避而不谈的问题的率真、有趣和充满力量的演讲吧。
银屑病的新突破：以IL-17 通路为靶点
银屑病是一种慢性炎症性皮肤病，由免疫系统引发，其发病人数约占总人口的2-3%。最近，对免疫过程的研究取得了新的进展，带来了一些令人激动的新药物靶点。本视频主要介绍了IL-17如何被开发成治疗银屑病的新疗法。
设计我们身体的细菌环境
我们的身体是微生物的家园和栖息地－某些对我们有益、某些对我们有害。当我们对这些邻居们了解更加深入之后，TED会员Jessica Green思索：我们是否能在建筑设计中创造出促进积极、有益的微生物生长的环境？
肿瘤免疫学与免疫治疗的新进展
This animation created by Nature Reviews Cancer and Nature Reviews Immunology illustrates how tumour cells are sensed and destroyed by cells of the immune system and how tumours can evolve to evade immune-mediated elimination. Scientists are developing new immunotherapies that help the immune system to ‘fight back’ — the animation explains how these exciting new drugs work.
巴黎气候会谈：气候变化的后果
What will a world that is a few degrees hotter look like? As negotiators gather in Paris, tasked with limiting global warming to two degrees, reporter Adam Levy investigates some of the effects that temperature change will have - and looks at what could happen if nations fail to act.